ni 622x specifications

NI 622x SpecificationsSpecifications listed below are typical at 25 °C unless otherwise noted. Refer to the M Series User Manual for more information about NI 622x devices.

Analog InputNumber of channels

NI 6220/6221.............................. 8 differential or 16 single ended

NI 6224/6229.............................. 16 differential or 32 single ended

NI 6225....................................... 40 differential or 80 single ended

ADC resolution ............................... 16 bits

DNL ................................................ No missing codes guaranteed

INL.................................................. Refer to the AI Absolute Accuracy Table

Sampling rate

Maximum ................................... 250 kS/s single channel,250 kS/s multi-channel (aggregate)

Minimum.................................... No minimum

Timing accuracy ......................... 50 ppm of sample rate

Timing resolution ....................... 50 ns

Input coupling ................................. DC

Input range ...................................... ±10 V, ±5 V, ±1 V, ±0.2 V

Maximum working voltage for analog inputs(signal + common mode) ................ ±11 V of AI GND

CMRR (DC to 60 Hz) ..................... 92 dB

Input impedance

Device on

AI+ to AI GND ......................>10 GΩ in parallel with 100 pF

AI– to AI GND.......................>10 GΩ in parallel with 100 pF

Device off

AI+ to AI GND ......................820 ΩAI– to AI GND.......................820 Ω

Input bias current.............................±100 pA

Crosstalk (at 100 kHz)

Adjacent channels .......................–75 dB

Non-adjacent channels ................–90 dB1

Small signal bandwidth (–3 dB)......700 kHz

Input FIFO size................................4,095 samples

Scan list memory .............................4,095 entries

Data transfers

PCI/PXI devices..........................DMA (scatter-gather), interrupts, programmed I/O

USB devices................................USB Signal Stream, programmed I/O

1 For USB-6225 devices, channel AI <0..15> crosstalk to channel AI <64..79> is –71 dB; applies to channels with 64-channel separation, for example, AI (x) and AI (x + 64).

NI 622x Specifications 2 ni.com

Overvoltage protection (AI <0..79>, AI SENSE, AI SENSE 2)

Device on ....................................±25 V for up to two AI pins

Device off ...................................±15 V for up to two AI pins

Input current during overvoltage condition ......................±20 mA max/AI pin

Settling Time for Multichannel MeasurementsAccuracy, full scale step, all ranges

±90 ppm of step (±6 LSB) ..........4 μs convert interval



Typical Performance Graphs

Settling Error Versus Time for Different Source Impedances

1

10

100

1 k

10 k

110 100

Time (μs)

Err

or (

ppm

of S

tep

Siz

e)

≤100 Ω

1 kΩ

2 kΩ

5 kΩ 10 kΩ

AI <0..79> Small Signal Bandwidth

1 k 10 k 100 k 1000 k 10000 kFrequency (Hz)

Nor

mal

ized

Sig

nal A

mpl

itude

(dB

)

–14

–12

–10

–8

–6

–4

–2

0

2

0.2 V Range

10 V Range

5 V Range

1 V Range

AI <0..79> CMRR

0

20

40

60

80

100

120

10 100 1 k 10 k 100 kFrequency (Hz)

CM

RR

(dB

)

© National Instruments Corporation 3 NI 622x Specifications

Analog OutputNumber of channels

NI 6220/6224.............................. 0

NI 6221/6225.............................. 2

NI 6229....................................... 4

DAC resolution ............................... 16 bits

DNL ................................................ ±1 LSB

Monotonicity................................... 16 bit guaranteed

Maximum update rate

1 channel..................................... 833 kS/s

2 channels ................................... 740 kS/s per channel



Timing accuracy ............................. 50 ppm of sample rate

Timing resolution............................ 50 ns

Output range ................................... ±10 V

Output coupling .............................. DC

Output impedance ........................... 0.2 Ω

Output current drive........................ ±5 mA

Overdrive protection ....................... ±25 V

Overdrive current ............................ 10 mA

Power-on state................................. ±20 mV1

Power-off glitch .............................. 400 mV for 200 ms

Output FIFO size ............................ 8,191 samples shared among channels used

Data transfers

PCI/PXI devices ......................... DMA (scatter-gather), interrupts, programmed I/O

USB devices ............................... USB Signal Stream, programmed I/O

AO waveform modes:

• Non-periodic waveform

• Periodic waveform regeneration mode from onboard FIFO

• Periodic waveform regeneration from host buffer including dynamic update

Settling time, full scale step15 ppm (1 LSB)...............................6 μs

Slew rate ..........................................15 V/μs

Glitch energy

Magnitude ...................................100 mV

Duration ......................................2.6 μs

Calibration (AI and AO)Recommended warm-up time .........15 minutes

Calibration interval..........................1 year

1 For all USB-6221/6229 Screw Terminal devices, when powered on, the analog output signal is not defined until after USB configuration is complete.


AI A

bsol

ute

Accu

racy

Tab

le

Nom

inal

Ran

geR

esid

ual

Gai

n E

rror

(p

pm o

f R

eadi

ng)

Gai

n Te

mpc

o (p

pm/°

C)

Ref

eren

ce

Tem

pco

Res

idua

l O

ffse

t E

rror

(p

pmof

R

ange

)

Off

set

Tem

pco

(ppm

of

Ran

ge/°

C)

INL

Err

or

(ppm

of

Ran

ge)

Ran

dom

N

oise

, σ

(μV

rms)

Abs

olut

e A

ccur

acy

at F

ull

Scal

e1 (μ

V)

Sens

itiv

ity2

(μV

)P

osit

ive

Ful

lSca

leN

egat

ive

Ful

lSca

le

10–1

075

255

2057

7624

43,

100

97.6

5–5

8525

520

6076

122

1,62

048

.8

1–1

9525

525

7976

3036

012

.0

0.2

–0.

213

525

580

175

7613

112

5.2

Abs

olut

eAcc

urac

y =

Rea

ding

· (G

ainE

rror

) +

Ran

ge ·

(Off

setE

rror

) +

Noi

seU

ncer

tain

tyG

ainE

rror

= R

esid

ualA

IGai

nErr

or +

Gai

nTem

pco

· (Te

mpC

hang

eFro

mL

astI

nter

nalC

al)

+ R

efer

ence

Tem

pco

· (Te

mpC

hang

eFro

mL

astE

xter

nalC

al)

Off

setE

rror

= R

esid

ualA

IOff

setE

rror

+ O

ffse

tTem

pco

· (Te

mpC

hang

eFro

mL

astI

nter

nalC

al)

+ I

NL

_Err

or

1 A

bsol

ute

accu

racy

at f

ull s

cale

on

the

anal

og in

put c

hann

els

is d

eter

min

ed u

sing

the

foll

owin

g as

sum

ptio

ns:

Tem

pCha

ngeF

rom

Las

tExt

erna

lCal

= 1

0°C

Tem

pCha

ngeF

rom

Las

tInt

erna

lCal

= 1

°Cnu

mbe

r_of

_rea

ding

s =

100

Cov

erag

eFac

tor

= 3

σ

For

exam

ple,

on

the

10 V

ran

ge, t

he a

bsol

ute

accu

racy

at f

ull s

cale

is a

s fo

llow

s:G

ainE

rror

= 7

5 pp

m +

25

ppm

· 1

+ 5

ppm

· 10

Gai

nErr

or =

150

ppm

Off

setE

rror

= 2

0 pp

m +

57

ppm

· 1

+ 7

6 pp

m

Off

setE

rror

= 1

53 p

pm

Abs

olut

eAcc

urac

y =

10

V ·

(Gai

nErr

or)

+ 1

0 V

· (O

ffse

tErr

or)

+ N

oise

Unc

erta

inty

Abs

olut

eAcc

urac

y =

3,1

00 μ

V

2 Se

nsiti

vity

is th

e sm

alle

st v

olta

ge c

hang

e th

at c

an b

e de

tect

ed. I

t is

a fu

nctio

n of

noi

se.

Acc

urac

ies

list

ed a

re v

alid

for

up

to o

ne y

ear

from

the

devi

ce e

xter

nal c

alib

ratio

n.

Noi

seU

ncer

tain

tyR

ando

mN

oise

3⋅10

0----

--------

--------

--------

--------

-----

=Fo

r a c

over

age

fact

or o

f 3 σ

and

ave

ragi

ng 1

00 p

oint

s.

Noi

seU

ncer

tain

ty24

4 μ

V3⋅

100

--------

--------

--------

--=

Noi

seU

ncer

tain

ty73

μV

=


AO A

bsol

ute

Accu

racy

Tab

le

Nom

inal

Ran

geR

esid

ual G

ain

Err

or (p

pm o

f R

eadi

ng)

Gai

n T

empc

o (p

pm/°

C)

Ref

eren

ce

Tem

pco

Res

idua

l O

ffse

t E

rror

(p

pmof

R

ange

)

Off

set T

empc

o (p

pm o

f R

ange

/°C

)

INL

Err

or

(p

pmof

R

ange

)

Abs

olut

e A

ccur

acy

at

Ful

l Sca

le1

(μV

)P

osit

ive

Ful

lSca

leN

egat

ive

Ful

lSca

le

10–1

090

105

405

128

3,23

0

1 A

bsol

ute

Acc

urac

y at

full

scal

e nu

mbe

rs is

val

id im

med

iate

ly fo

llow

ing

inte

rnal

cal

ibra

tion

and

assu

mes

the

devi

ce is

ope

ratin

g w

ithin

10

°C o

f the

last

ext

erna

l cal

ibra

tion.

A

ccur

acie

s li

sted

are

val

id f

or u

p to

one

yea

r fr

om th

e de

vice

ext

erna

l cal

ibra

tion.

Abs

olut

eAcc

urac

y =

Out

putV

alue

· (G

ainE

rror

) +

Ran

ge ·

(Off

setE

rror

)G

ainE

rror

= R

esid

ualG

ainE

rror

+ G

ainT

empc

o · (

Tem

pCha

ngeF

rom

Las

tInt

erna

lCal

) +

Ref

eren

ceTe

mpc

o · (

Tem

pCha

ngeF

rom

Las

tExt

erna

lCal

)O

ffse

tErr

or =

Res

idua

lOff

setE

rror

+ A

OO

ffse

tTem

pco

· (Te

mpC

hang

eFro

mL

astI

nter

nalC

al)

+ I

NL

_Err

or


Digital I/O/PFIStatic CharacteristicsNumber of channels

NI 6220/6221 (68-pin)/6225.......24 total8 (P0.<0..7>) 16 (PFI <0..7>/P1, PFI <8..15>/P2)

PCI-6221 (37-pin).......................10 total2 (P0.<0, 1>) 8 (PFI <0..7>/P1)

NI 6224/6229 ..............................48 total32 (P0.<0..31>) 16 (PFI <0..7>/P1, PFI <8..15>/P2)

Ground reference.............................D GND

Direction control..............................Each terminal individually programmable as input or output

Pull-down resistor............................50 kΩ typical,20 kΩ minimum

Input voltage protection1 .................±20 V on up to two pins

Waveform Characteristics (Port 0 Only)Terminals used

NI 6220/6221 (68-pin)/6225.......Port 0 (P0.<0..7>)

PCI-6221 (37-pin).......................Port 0 (P0.<0, 1>)

NI 6224/6229 ..............................Port 0 (P0.<0..31>)

Port/sample size

NI 6220/6221 (68-pin)/6225.......Up to 8 bits

PCI-6221 (37-pin).......................Up to 2 bits

NI 6224/6229 ..............................Up to 32 bits

Waveform generation (DO) FIFO...2,047 samples

Waveform acquisition (DI) FIFO....2,047 samples

DO or DI Sample Clock frequency2........................................0 to 1 MHz

Data transfers

PCIPXI devices .......................... DMA (scatter-gather), interrupts, programmed I/O


DO or DI Sample Clock source3..... Any PFI, RTSI, AI Sample or Convert Clock, AO Sample Clock, Ctr n Internal Output, and many other signals

PFI/Port 1/Port 2 Functionality4

Functionality ................................... Static digital input, static digital output, timing input, timing output

Timing output sources .................... Many AI, AO, counter, DI, DO timing signals

Debounce filter settings .................. 125 ns, 6.425 μs, 2.56 ms, disable; high and low transitions; selectable per input

1 Stresses beyond those listed under Input voltage protection may cause permanent damage to the device.2 Performance can be dependent on bus latency and volume of bus activity.3 The digital subsystem does not have its own dedicated internal timing engine. Therefore, a sample clock must be provided

from another subsystem on the device or an external source.4 Port 2 is not available on PCI-6221 (37-pin) devices.


Recommended Operation ConditionsPCI/PXI devices

USB devices

Electrical Characteristics

Level Min Max

Input high voltage (VIH) 2.2 V 5.25 V

Input low voltage (VIL) 0 V 0.8 V

Output high current (IOH)

P0.<0..31>

PFI <0..15>/P1/P2

—

—

–24 mA

–16 mA

Output low current (IOL)

P0.<0..31>

PFI <0..15>/P1/P2

—

—

24 mA

16 mA

Level Min Max

Input high voltage (VIH) 2.2 V 5.25 V

Input low voltage (VIL) 0 V 0.8 V

Output high current (IOH)

P0.<0..15>

P0.<16..31>

PFI <0..15>/P1/P2

—

—

—

–24 mA

–16 mA

–16 mA

Output low current (IOL)

P0.<0..15>

P0.<16..31>

PFI <0..15>/P1/P2

—

—

—

24 mA

16 mA

16 mA

Level Min Max

Positive-going threshold (VT+) — 2.2 V

Negative-going threshold (VT–) 0.8 V —

Delta VT hysteresis (VT+ – VT–) 0.2 V —

IIL input low current (Vin = 0 V)

IIH input high current (Vin = 5 V)

—

—

–10 μA

250 μA


Digital I/O Characteristics

–50

–45

–40

–35

–30

–25

–20

–15

–10

–5

0

2 3 4 5 6Voh (V)

I oh

(mA

)

0 °C; Vdd = 5.5 V

55 °C; Vdd = 4.5 V

25 °C; Vdd = 5.0 V

PCI/PXI DIO (P0.<0..31>): Ioh versus VohUSB DIO (P0.<0..15>): Ioh versus Voh

–50

–45

–40

–35

–30

–25

–20

–15

–10

–5

0

2 3 4 5 6Voh (V)

I oh

(mA

)

PCI/PXI DIO (PFI <0..15>/P1/P2): Ioh versus VohUSB DIO (PFI <0..15>/P1/P2, P0.<16..31>): Ioh versus Voh

0 °C; Vdd = 5.5 V

55 °C; Vdd = 4.5 V

25 °C; Vdd = 5.0 V

0

5

10

15

20

25

30

35

40

0 0.2 0.4 0.6 0.8 1 1.2Vol (V)

I ol (

mA

)

PCI/PXI DIO (P0.<0..31>): Iol versus VolUSB DIO (P0.<0..15>): Iol versus Vol

0 °C; Vdd = 5.5 V

55 °C; Vdd = 4.5 V

25 °C; Vdd = 5.0 V

0

5

10

15

20

25

30

35

40

0 0.2 0.4 0.6 0.8 1 1.2Vol (V)

I ol (

mA

)

PCI/PXI DIO (PFI <0..15>/P1/P2): Iol versus VolUSB DIO (PFI <0..15>/P1/P2, P0.<16..31>): Iol versus Vol

0 °C; Vdd = 5.5 V

55 °C; Vdd = 4.5 V

25 °C; Vdd = 5.0 V


General-Purpose Counter/TimersNumber of counter/timers ............... 2

Resolution ....................................... 32 bits

Counter measurements.................... Edge counting, pulse, semi-period, period, two-edge separation

Position measurements ................... X1, X2, X4 quadrature encoding with Channel Z reloading; two-pulse encoding

Output applications ......................... Pulse, pulse train with dynamic updates, frequency division, equivalent time sampling

Internal base clocks......................... 80 MHz,20 MHz,0.1 MHz

External base clock frequency ........ 0 MHz to 20 MHz

Base clock accuracy........................ 50 ppm

Inputs .............................................. Gate, Source, HW_Arm, Aux, A, B, Z, Up_Down

Routing options for inputs .............. Any PFI, RTSI, PXI_TRIG, PXI_STAR, analog trigger, many internal signals

FIFO................................................ 2 samples

Data transfers

PCI/PXI devices ......................... Dedicated scatter-gather DMA controller for each counter/timer;interrupts;programmed I/O


Frequency GeneratorNumber of channels ........................ 1

Base clocks ..................................... 10 MHz, 100 kHz

Divisors ........................................... 1 to 16

Base clock accuracy........................ 50 ppm

Output can be available on any PFI or RTSI terminal.

Phase-Locked Loop (PLL)Number of PLLs..............................1

Reference signal ..............................PXI_STAR, PXI_CLK10, RTSI <0..7>

Output of PLL .................................80 MHz Timebase; other signals derived from 80 MHz Timebase including 20 MHz and 100 kHz Timebases

External Digital TriggersSource..............................................Any PFI, RTSI,

PXI_TRIG, PXI_STAR

Polarity ............................................Software-selectable for most signals

Analog input function......................Start Trigger, Reference Trigger, Pause Trigger, Sample Clock, Convert Clock, Sample Clock Timebase

Analog output function....................Start Trigger, Pause Trigger, Sample Clock, Sample Clock Timebase

Counter/timer functions...................Gate, Source, HW_Arm, Aux, A, B, Z, Up_Down,

Digital waveform generation(DO) function ..................................Sample Clock

Digital waveform acquisition(DI) function....................................Sample Clock


Device-To-Device Trigger BusPCI devices......................................RTSI <0..7>1

PXI devices......................................PXI_TRIG <0..7>,PXI_STAR

USB devices ....................................None

Output selections .............................10 MHz Clock; frequency generator output; many internal signals

Debounce filter settings...................125 ns, 6.425 μs, 2.56 ms, disabled; high and low transitions;selectable per input

Bus InterfacePCI/PXI devices ..............................3.3 V or 5 V signal

environment

USB devices ....................................USB 2.0 Hi-Speed or full-speed2

DMA channels(PCI/PXI devices)............................6, analog input,

analog output, digital input, digital output, counter/timer 0, counter/timer 1

USB Signal Stream (USB devices)..................................4, can be used for analog

input, analog output, digital input, digital output, counter/timer 0, counter/timer 1

All PXI-622x devices support one of the following features:

• May be installed in PXI Express hybrid slots

• Or, may be used to control SCXI in PXI/SCXI combo chassis

Power RequirementsCurrent draw from bus during no-load condition3

+5 V............................................ 0.02 A4

+3.3 V......................................... 0.25 A4

+12 V.......................................... 0.15 A

Current draw from bus during AI and AO overvoltage condition3

+5 V............................................ 0.02 A4

+3.3 V......................................... 0.25 A4

+12 V.......................................... 0.25 A

Caution USB-622x devices must be powered with NI offered AC adapter or a National Electric Code (NEC) Class 2 DC source that meets the power requirements for the device and has appropriate safety certification marks for country of use.

1 In other sections of this document, RTSI refers to RTSI <0..7> for PCI devices or PXI_TRIG <0..7> for PXI devices.2 If you are using a USB M Series device in full-speed mode, device performance will be lower and you will not be able to

achieve maximum sampling/update rates.

Table 1. PXI/SCXI Combo andPXI Express Chassis Compatibility

M Series Device

M Series Part

Number

SCXI Control in PXI/SCXI

Combo Chassis

PXI Express

Hybrid Slot Compatible

PXI-6220 191332B-04 No Yes

PXI-6221 191332B-03 No Yes

191332B-13 Yes No

PXI-6224 191332B-02 No Yes

PXI-6225 192227A-01 No Yes

PXI-6229 191332B-01 No Yes

191332B-11 Yes No

Earlier versions of PXI-6220/6221/6224/6229

191332A-0x Yes No

3 Does not include P0/PFI/P1/P2 and +5 V terminals.4 PCI-6221 (37-pin) devices do not use +3.3 V from the bus. The 3.3 V current draw, shown in the Power Requirements section,

comes from the +5 V instead.


USB power supply requirements .... 11 to 30 VDC, 20 W, locking or non-locking power jack with 0.080” diameter center pin, 5/16–32 thread for locking collars

Power Limits

Caution Exceeding the power limits may cause unpredictable behavior by the device and/or PC/chassis.

PCI devices

+5 V terminal (connector 0) ....... 1 A max1


PXI devices



P0/PFI/P1/P2 and +5 Vterminals combined .................... 2 A max

USB devices

+5 V terminal.............................. 1 A max1

P0/PFI/P1/P2 and +5 Vterminals combined .................... 2 A max

Power supply fuse ...................... 2 A, 250 V

Physical RequirementsPrinted circuit board dimensions

PCI-6220/6221/6224/6225/6229................................... 9.7 cm × 15.5 cm

(3.8 in. × 6.1 in.)

PXI-6220/6221/6224/6225/6229................................... Standard 3U PXI

Enclosure dimensions (includes connectors)

USB-6221/6225/6229 Screw Terminal .......................... 26.67 × 17.09 × 4.45 cm

(10.5 × 6.73 × 1.75 in.)

USB-6221/6229 BNC................. 28.6 × 17 × 6.9 cm (11.25 × 6.7 × 2.7 in.)

USB-6225 Mass Termination..... 18.8 × 17.09 × 4.45 cm (7.4 × 6.73 × 1.75 in.)

USB-6221/6225/6229 OEM....... Refer to the NI USB-622x/625x OEM User Guide

Weight

PCI-6220.....................................91 g (3.2 oz)

PCI-6221 (68-pin).......................92 g (3.2 oz)

PCI-6221 (37-pin).......................95 g (3.3 oz)

PCI-6224.....................................99 g (3.5 oz)

PCI-6225.....................................103 g (3.6 oz)

PCI-6229.....................................101 g (3.5 oz)

PXI-6220.....................................158 g (5.5 oz)

PXI-6221.....................................162 g (5.7 oz)

PXI-6224.....................................170 g (5.9 oz)

PXI-6225.....................................174 g (6.1 oz)

PXI-6229.....................................171 g (6.0 oz)

USB-6221 Screw Terminal.........1.2 kg (2 lb 10 oz)

USB-6225/6229 Screw Terminal...........................1.24 kg (2 lb 11 oz)

USB-6225 Mass Termination .....907 g (2 lb)

USB-6221 OEM .........................131 g (4.6 oz)

USB-6225/6229 OEM ................162 g (5.7 oz)

I/O connector

PCI/PXI-6220/6221 (68-pin) ......1 68-pin VHDCI

PCI/PXI-6224/6225/6229 ...........2 68-pin VHDCI

PCI-6221 (37-pin).......................1 37-pin D-SUB

USB-6221 Screw Terminal.........64 screw terminals

USB-6225/6229 Screw Terminal...........................128 screw terminals

USB-6221 BNC ..........................20 BNCs and 30 screw terminals

USB-6229 BNC ..........................30 BNCs and 60 screw terminals

USB-6225 Mass Termination .....2 68-pin SCSI

USB-6221/6225/6229 Screw Terminal/USB-6221/6229 BNCscrew terminal wiring......................16–28 AWG

Maximum Working Voltage2

NI 6220/6221/6224/6225/6229Channel to earth ..............................11 V,

Measurement Category I

Caution Do not use for measurements within Categories II, III, or IV.

1 Has a self-resetting fuse that opens when current exceeds this specification.2 Maximum working voltage refers to the signal voltage plus the common-mode voltage.


EnvironmentalOperating temperature

PCI/PXI devices..........................0 to 55 °C

USB devices................................0 to 45 °C

Storage temperature.........................–20 to 70 °C

Humidity..........................................10 to 90% RH, noncondensing

Maximum altitude ...........................2,000 m

Pollution Degree(indoor use only) .............................2

Shock and Vibration (PXI Devices Only)Operational shock............................30 g peak, half-sine,

11 ms pulse (Tested in accordance with IEC-60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.)

Random vibration

Operating ....................................5 to 500 Hz, 0.3 grms

Nonoperating ..............................5 to 500 Hz, 2.4 grms (Tested in accordance with IEC-60068-2-64. Nonoperating test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

SafetyThis product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use:

• IEC 61010-1, EN 61010-1

• UL 61010-1, CSA 61010-1

Note For UL and other safety certifications, refer to the product label or visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.

Electromagnetic CompatibilityThis product is designed to meet the requirements of the following standards of EMC for electrical equipment for measurement, control, and laboratory use:

• EN 61326 EMC requirements; Minimum Immunity

• EN 55011 Emissions; Group 1, Class A

• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A

Note For EMC compliance, operate this device with shielded cables.

CE ComplianceThis product meets the essential requirements of applicable European Directives, as amended for CE marking, as follows:

• 73/23/EEC; Low-Voltage Directive (safety)

• 89/336/EEC; Electromagnetic Compatibility Directive (EMC)

Note Refer to the Declaration of Conformity (DoC) for this product for any additional regulatory compliance information. To obtain the DoC for this product, visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.

Environmental ManagementNational Instruments is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial not only to the environment but also to NI customers.

For additional environmental information, refer to the NI and the Environment Web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as any other environmental information not included in this document.

Waste Electrical and Electronic Equipment (WEEE)EU Customers At the end of their life cycle, all products must be sent to a WEEE recycling center. For more information about WEEE recycling centers and National Instruments WEEE initiatives, visit ni.com/environment/weee.htm.

RoHSNational Instruments

(RoHS)National Instruments RoHS

ni.com/environment/rohs_china(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)


Figure 1. PCI/PXI-6220 Pinout

CO

NN

EC

TOR

0(A

I 0-1

5)

D GND

D GND

PFI 8/P2.0

PFI 7/P1.7

PFI 15/P2.7

PFI 13/P2.5

PFI 4/P1.4

PFI 3/P1.3

PFI 2/P1.2

D GND

PFI 10/P2.2

PFI 11/P2.3

P0.3

P0.7

P0.2

D GND

P0.5

P0.0

D GND

NC

NC

AI GND

AI 7

AI 14

AI GND

AI 5

AI 12

AI SENSE

AI 11

AI GND

AI 2

AI 9

AI GND

AI 0

PFI 14/P2.6

PFI 9/P2.1

D GND

PFI 5/P1.5

D GND

+5 V

D GND

PFI 12/P2.4

PFI 6/P1.6

PFI 1/P1.1

PFI 0/P1.0

D GND

D GND

+5 V

D GND

P0.6

P0.1

D GND

P0.4

NC

NC

NC

AI 15

AI GND

AI 6

AI 13

AI GND

AI 4

AI GND

AI 3

AI 10

AI GND

AI 1

AI 868 34

67 33

66 32

65 31

64 30

63 29

62 28

61 27

60 26

59 25

58 24

57 23

56 22

55 21

54 20

53 19

52 18

51 17

50 16

49 15

48 14

47 13

46 12

45 11

44 10

43 9

42 8

41 7

40 6

39 5

38 4

37 3

36 2

35 1

TERMINAL 34TERMINAL 68


NC = No Connect


Figure 2. PCI/PXI-6221 (68-Pin) Pinout

CO

NN

EC

TOR

0(A

I 0-1

5)

D GND

D GND

PFI 8/P2.0

PFI 7/P1.7

PFI 15/P2.7

PFI 13/P2.5

PFI 4/P1.4

PFI 3/P1.3

PFI 2/P1.2

D GND

PFI 10/P2.2

PFI 11/P2.3

P0.3

P0.7

P0.2

D GND

P0.5

P0.0

D GND

AO GND

AO GND

AI GND

AI 7

AI 14

AI GND

AI 5

AI 12

AI SENSE

AI 11

AI GND

AI 2

AI 9

AI GND

AI 0

PFI 14/P2.6

PFI 9/P2.1

D GND

PFI 5/P1.5

D GND

+5 V

D GND

PFI 12/P2.4

PFI 6/P1.6

PFI 1/P1.1

PFI 0/P1.0

D GND

D GND

+5 V

D GND

P0.6

P0.1

D GND

P0.4

NC

AO 1

AO 0

AI 15

AI GND

AI 6

AI 13

AI GND

AI 4

AI GND

AI 3

AI 10

AI GND

AI 1

AI 868 34

67 33

66 32

65 31

64 30

63 29

62 28

61 27

60 26

59 25

58 24

57 23

56 22

55 21

54 20

53 19

52 18

51 17

50 16

49 15

48 14

47 13

46 12

45 11

44 10

43 9

42 8

41 7

40 6

39 5

38 4

37 3

36 2

35 1



NC = No Connect


Figure 3. PCI-6221 (37-Pin) Pinout

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

AI 0

AI 9

AI GND

AI 10

AI 3

AI 4

AI 13

AI SENSE

AI 14

AI 15

AO GND

AO 0

PFI 0/P1.0

D GND

PFI 3/P1.3

D GND

PFI 6/P1.6

D GND

P0.1

AI 8

AI 1

AI 2

AI 11

AI GND

AI 12

AI 5

AI 6

AI 7

NC

AO 1

AO GND

PFI 1/P1.1

PFI 2/P1.2

PFI 4/P1.4

PFI 5/P1.5

PFI 7/P1.7

P0.0

NC = No Connect


Figure 4. USB-6221 Screw Terminal Pinout

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

AI 4AI 12AI GNDAI 5AI 13AI GNDAI 6AI 14AI GNDAI 7AI 15AI GNDNCAI GNDAO 1AO GND

AI 0 AI 8 AI GND AI 1 AI 9 AI GND AI 2 AI 10 AI GND AI 3 AI 11 AI GND AI SENSE AI GND AO 0 AO GND

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16

81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96

PFI 8/P2.0D GNDPFI 9/P2.1D GNDPFI 10/P2.2D GNDPFI 11/P2.3D GNDPFI 12/P2.4D GNDPFI 13/P2.5D GNDPFI 14/P2.6D GNDPFI 15/P2.7+5 V

P0.0P0.1P0.2P0.3P0.4P0.5P0.6P0.7PFI 0/P1.0PFI 1/P1.1PFI 2/P1.2PFI 3/P1.3PFI 4/P1.4PFI 5/P1.5PFI 6/P1.6PFI 7/P1.7

65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

NC = No Connect


Figure 5. USB-6221 BNC Top Panel and Pinout



D GND

D GND

PFI 8/P2.0

PFI 7/P1.7

PFI 15/P2.7

PFI 13/P2.5

PFI 4/P1.4

PFI 3/P1.3

PFI 2/P1.2

D GND

PFI 10/P2.2

PFI 11/P2.3

P0.3

P0.7

P0.2

D GND

P0.5

P0.0

D GND

NC

NC

AI GND

AI 7

AI 14

AI GND

AI 5

AI 12

AI SENSE

AI 11

AI GND

AI 2

AI 9

AI GND

AI 0

PFI 14/P2.6

PFI 9/P2.1

D GND

PFI 5/P1.5

D GND

+5 V

D GND

PFI 12/P2.4

PFI 6/P1.6

PFI 1/P1.1

PFI 0/P1.0

D GND

D GND

+5 V

D GND

P0.6

P0.1

D GND

P0.4

NC

NC

NC

AI 15

AI GND

AI 6

AI 13

AI GND

AI 4

AI GND

AI 3

AI 10

AI GND

AI 1

AI 868 34

67 33

66 32

65 31

64 30

63 29

62 28

61 27

60 26

59 25

58 24

57 23

56 22

55 21

54 20

53 19

52 18

51 17

50 16

49 15

48 14

47 13

46 12

45 11

44 10

43 9

42 8

41 7

40 6

39 5

38 4

37 3

36 2

35 1 AI 24

AI 17

AI GND

AI 26

AI 19

AI GND

AI 20

AI GND

AI 29

AI 22

AI GND

AI 31

NC

NC

NC

P0.12

D GND

P0.9

P0.14

D GND

+5 V

D GND

D GND

P0.16

P0.17

D GND

+5 V

D GND

P0.21

P0.22

D GND

P0.25

P0.28

P0.30

AI 16

AI 25

AI 18

AI 27

AI SENSE 2

AI 28

AI 21

AI GND

AI GND

AI GND

AI 30

AI 23

AI GND

NC

NC

D GND

P0.8

P0.13

D GND

P0.10

P0.15

P0.11

P0.27

P0.26

D GND

P0.18

P0.19

P0.20

P0.29

P0.31

P0.23

P0.24

D GND

D GND1 35

2 36

3 37

4 38

5 39

6 40

7 41

8 42

9 43

10 44

11 45

12 46

13 47

14 48

15 49

16 50

17 51

18 52

19 53

20 54

21 55

22 56

23 57

24 58

25 59

26 60

27 61

28 62

29 63

30 64

31 65

32 66

33 67

34 68

NC = No ConnectNC = No Connect NC = No Connect

CO

NN

EC

TOR

0(A

I 0-1

5)

CO

NN

EC

TOR

1(A

I 16-

31)

TERMINAL 34

TERMINAL 68

TERMINAL 35

TERMINAL 1

TERMINAL 35

TERMINAL 1

TERMINAL 34

TERMINAL 68



D GND

D GND

PFI 8/P2.0

PFI 7/P1.7

PFI 15/P2.7

PFI 13/P2.5

PFI 4/P1.4

PFI 3/P1.3

PFI 2/P1.2

D GND

PFI 10/P2.2

PFI 11/P2.3

P0.3

P0.7

P0.2

D GND

P0.5

P0.0

D GND

AO GND

AO GND

AI GND

AI 7

AI 14

AI GND

AI 5

AI 12

AI SENSE

AI 11

AI GND

AI 2

AI 9

AI GND

AI 0

PFI 14/P2.6

PFI 9/P2.1

D GND

PFI 5/P1.5

D GND

+5 V

D GND

PFI 12/P2.4

PFI 6/P1.6

PFI 1/P1.1

PFI 0/P1.0

D GND

D GND

+5 V

D GND

P0.6

P0.1

D GND

P0.4

NC

AO 1

AO 0

AI 15

AI GND

AI 6

AI 13

AI GND

AI 4

AI GND

AI 3

AI 10

AI GND

AI 1

AI 868 34

67 33

66 32

65 31

64 30

63 29

62 28

61 27

60 26

59 25

58 24

57 23

56 22

55 21

54 20

53 19

52 18

51 17

50 16

49 15

48 14

47 13

46 12

45 11

44 10

43 9

42 8

41 7

40 6

39 5

38 4

37 3

36 2

35 1 AI 24

AI 17

AI 18

AI 27

AI 20

AI 21

AI 30

AI 23

AI 32

AI 41

AI 34

AI 35

AI GND

AI 44

AI 37

AI 38

AI 47

AI 48

AI 49

AI 58

AI 51

AI 52

AI 61

AI 54

AI 55

AI GND

AI 72

AI 65

AI 66

AI 75

AI 68

AI 69

AI 78

AI 71

AI 16

AI 26

AI 19

AI 29

AI 22

AI 31

AI 40

AI 25

AI 28

AI 33

AI 42

AI 43

AI SENSE 2

AI 36

AI 45AI 46

AI 39

AI 56

AI 57

AI 50

AI 59

AI 60

AI 53

AI 62

AI 63

AI GND

AI 64

AI 73

AI 74

AI 67

AI 76

AI 77

AI 70

AI 791 35

2 36

3 37

4 38

5 39

6 40

7 41

8 42

9 43

10 44

11 45

12 46

13 47

14 48

15 49

16 50

17 51

18 52

19 53

20 54

21 55

22 56

23 57

24 58

25 59

26 60

27 61

28 62

29 63

30 64

31 65

32 66

33 67

34 68

CO

NN

EC

TOR

0(A

I 0-1

5)

CO

NN

EC

TOR

1(A

I 16-

79)

TERMINAL 34

TERMINAL 68

TERMINAL 35

TERMINAL 1

TERMINAL 35

TERMINAL 1

TERMINAL 34

TERMINAL 68

NC = No Connect



17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

AI 8AI 9AI 10AI 11AI 12AI GNDAI 13AI 14AI 15AI 24AI 25AI 26AI GNDNCAO GNDAO 1

AI 0AI 1AI 2AI 3AI 4AI GNDAI 5AI 6AI 7AI 16AI 17AI 18AI GNDAI SENSEAO GNDAO 0

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16

49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

AI 27AI 28AI 29AI 30AI GNDAI 31AI 40AI 41AI 42AI 43AI 44AI SENSE 2AI 45AI 46AI 47AI 56

AI 19AI 20AI 21AI 22AI GNDAI 23AI 32AI 33AI 34AI 35AI 36AI GNDAI 37AI 38AI 39AI 48

33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96

AI 57AI 58AI 59AI 60AI 61AI 62AI 63AI GNDAI 72AI 73AI 74AI 75AI 76AI 77AI 78AI 79

AI 49AI 50AI 51AI 52AI 53AI 54AI 55AI GNDAI 64AI 65AI 66AI 67AI 68AI 69AI 70AI 71

65666768697071727374757677787980

113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128



97 98 99

100 101 102 103 104 105 106 107 108 109 110 111 112

NC = No Connect Chassis Ground Lug


Figure 9. USB-6225 Mass Termination Pinout

AI 71

AI 78

AI 69

AI 68

AI 75

AI 66

AI 65

AI 72

AI GND

AI 55

AI 54

AI 61

AI 52

AI 51

AI 58

AI 49

AI 48

AI 47

AI 38AI 37

AI 44

AI GND

AI 35

AI 34

AI 41

AI 32

AI 23

AI 30

AI 21

AI 20

AI 27

AI 18

AI 17

AI 24

AI 79

AI 77

AI 76

AI 74

AI 73

AI 64

AI GND

AI 70

AI 67

AI 63

AI 62

AI 53

AI 60

AI 59

AI 50

AI 57

AI 56

AI 39

AI 46AI 45

AI 36

AI SENSE 2

AI 43

AI 42

AI 33

AI 40

AI 31

AI 22

AI 29

AI 28

AI 19

AI 26

AI 25

AI 16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

TERMINAL 34

TERMINAL 68

TERMINAL 1

TERMINAL 35

CONNECTOR 1(AI 16–79)

PFI 14/P2.6

PFI 12/P2.4

PFI 9/P2.1

D GND

PFI 6/P1.6

PFI 5/P1.5

D GND

+5 V

D GND

PFI 1/P1.1

PFI 0/P1.0

D GND

D GND

+5 V

D GND

P0.6

P0.1

D GND

P0.4NC

AO 1

AO 0

AI 15

AI GND

AI 6

AI 13

AI GND

AI 4

AI GND

AI 3

AI 10

AI GND

AI 1

AI 8

D GND

PFI 8/P2.0

PFI 7/P1.7

PFI 13/P2.5

PFI 4/P1.4

PFI 3/P1.3

PFI 2/P1.2

D GND

PFI 15/P2.7

D GND

PFI 10/P2.2

PFI 11/P2.3

P0.3

P0.7

P0.2

D GND

P0.5

P0.0

D GNDAO GND

AO GND

AI GND

AI 7

AI 14

AI GND

AI 5

AI 12

AI SENSE

AI 11

AI GND

AI 2

AI 9

AI GND

AI 0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

CONNECTOR 0(AI 0–15)

NC = No Connect

TERMINAL 34

TERMINAL 68

TERMINAL 1

TERMINAL 35



D GND

D GND

PFI 8/P2.0

PFI 7/P1.7

PFI 15/P2.7

PFI 13/P2.5

PFI 4/P1.4

PFI 3/P1.3

PFI 2/P1.2

D GND

PFI 10/P2.2

PFI 11/P2.3

P0.3

P0.7

P0.2

D GND

P0.5

P0.0

D GND

AO GND

AO GND

AI GND

AI 7

AI 14

AI GND

AI 5

AI 12

AI SENSE

AI 11

AI GND

AI 2

AI 9

AI GND

AI 0

PFI 14/P2.6

PFI 9/P2.1

D GND

PFI 5/P1.5

D GND

+5 V

D GND

PFI 12/P2.4

PFI 6/P1.6

PFI 1/P1.1

PFI 0/P1.0

D GND

D GND

+5 V

D GND

P0.6

P0.1

D GND

P0.4

NC

AO 1

AO 0

AI 15

AI GND

AI 6

AI 13

AI GND

AI 4

AI GND

AI 3

AI 10

AI GND

AI 1

AI 868 34

67 33

66 32

65 31

64 30

63 29

62 28

61 27

60 26

59 25

58 24

57 23

56 22

55 21

54 20

53 19

52 18

51 17

50 16

49 15

48 14

47 13

46 12

45 11

44 10

43 9

42 8

41 7

40 6

39 5

38 4

37 3

36 2

35 1 AI 24

AI 17

AI GND

AI 26

AI 19

AI GND

AI 20

AI GND

AI 29

AI 22

AI GND

AI 31

AO 2

AO 3

NC

P0.12

D GND

P0.9

P0.14

D GND

+5 V

D GND

D GND

P0.16

P0.17

D GND

+5 V

D GND

P0.21

P0.22

D GND

P0.25

P0.28

P0.30

AI 16

AI 25

AI 18

AI 27

AI SENSE 2

AI 28

AI 21

AI GND

AI GND

AI GND

AI 30

AI 23

AI GND

AO GND

AO GNDD GND

P0.8

P0.13

D GND

P0.10

P0.15

P0.11

P0.27

P0.26

D GND

P0.18

P0.19

P0.20

P0.29

P0.31

P0.23

P0.24

D GND

D GND1 35

2 36

3 37

4 38

5 39

6 40

7 41

8 42

9 43

10 44

11 45

12 46

13 47

14 48

15 49

16 50

17 51

18 52

19 53

20 54

21 55

22 56

23 57

24 58

25 59

26 60

27 61

28 62

29 63

30 64

31 65

32 66

33 67

34 68

CO

NN

EC

TOR

0(A

I 0-1

5)

CO

NN

EC

TOR

1(A

I 16-

31)

TERMINAL 34

TERMINAL 68

TERMINAL 35

TERMINAL 1

TERMINAL 35

TERMINAL 1

TERMINAL 34

TERMINAL 68

NC = No Connect NC = No Connect



17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32


AI 0 AI 8 AI GND AI 1 AI 9 AI GND AI 2 AI 10 AI GND AI 3 AI 11 AI GND AI SENSE AI GND AO 0 AO GND

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16

49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64


AI 16 AI 24 AI GND AI 17 AI 25 AI GND AI 18 AI 26 AI GND AI 19 AI 27 AI GND AI SENSE 2 AI GND AO 2 AO GND

33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96



65666768697071727374757677787980

113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128

P0.24 D GND P0.25 D GND P0.26 D GND P0.27 D GND P0.28 D GND P0.29 D GND P0.30 D GND P0.31 D GND

P0.8 P0.9 P0.10 P0.11 P0.12 P0.13 P0.14 P0.15 P0.16 P0.17 P0.18 P0.19 P0.20 P0.21 P0.22 P0.23

97 98 99

100 101 102 103 104 105 106 107 108 109 110 111 112

NC = No Connect NC = No Connect

National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents.

© 2004–2007 National Instruments Corporation. All rights reserved. 371290G-01 Jun07

Figure 12. USB-6229 BNC Top Panel and Pinout

ni 622x specifications

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