SPW0690LM4H-1 CAMERON
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
The SPW0690LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonic™ MEMS technology, the SPW0690LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required. In addition, the SPW0690LM4H-1 offers multiple performance modes.
ABSOLUTE MAXIMUM RATINGS
Parameter Absolute Maximum Rating Units
MEMS Transducer Buffer
Charge Pump Vdd
SELECT
CLK
DATA
GND
Regulator
Control
Σ∆ ADC
PRODUCT FEATURES
• Low Distortion /High AOP • High SNR • Low Current Consumption in Low-Power Mode • Flat Frequency Response • High Drive Capability • RF Shielded • Bottom Port • Sensitivity Matching • Supports Dual Multiplexed Channels • Multiple Performance Modes (Sleep, Low-
Power, Normal) • Ultra-Stable Performance • Omnidirectional • Standard SMD Reflow • LGA Package
TYPICAL APPLICATIONS
• Portable Electronics • Cellphones • Laptop Computers • Tablets • Digital Still Cameras • Portable Music Recorders
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
2 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
ACOUSTIC & ELECTRICAL SPECIFICATIONS1
Parameter Symbol Conditions Min Typ Max Units
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
3 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
Parameter Symbol Conditions Min Typ Max Units
Parameter Symbol Conditions Min Typ Max Units
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
4 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
Parameter Symbol Conditions Min Typ Max Units
Parameter Symbol Conditions Min Typ Max Units
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
5 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
Microphone SELECT Asserts DATA on Latch DATA on
Tdd
Tedge
DATA (SELECT = Vdd)
Tdv Tdz
CLOCK
DATA (SELECT = Ground)
Vih
Vil
Tdv Tdz
High Z Mic (Low)
Data
High Z Mic (High)
Data
Voh
Vol
Tedge
Voh
Vol
1/Fclock
Tdd Thold
Thold
Low
High
Ext CLOCK Input
Vhyst
Vl-h
Internal Logic Level
Vh-l
GND
PDM Mic Interface
CODEC OR APPLICATION PROCESSOR
Vdd
CLOCK
DATA
SEL
MIC1
DATA
CLOCK
GND
Vdd
SEL
MIC2
DATA
CLOCK
GND
Vdd
Vdd
Vdd
Rterm
Rterm
Rterm
Low-Power Mode 500 kHz ≤ Fclock ≤ 900 kHz
1.65V ≤ Vdd ≤ 3.6V
Normal Mode 1.1 MHz ≤ Fclock ≤ 4.8 MHz
1.65V ≤ Vdd ≤ 3.6V
Sleep Mode Fclock < 250 kHz
1.65V ≤ Vdd ≤ 3.6V
Powered Down Mode
Vdd = 0V
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
6 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
PERFORMANCE CURVES
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
7 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
8 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
MECHANICAL SPECIFICATIONS
Pin # Pin Name Type Description
Example Land Pattern
Example Solder Stencil Pattern
Item Dimension Tolerance
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
9 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
PACKAGING & MARKING DETAIL
Model Number Suffix Reel Diameter Quantity Per Reel Component Surface Resistance (ohms)
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
10 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
RECOMMENDED REFLOW PROFILE
Profile Feature Pb-Free
Time 25°C to Peak
Ramp-down
Ramp-up
TSMIN
TSMAX
TL
TP
tL
tP
tS Preheat
Time 25°C
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
knowles.com | DATASHEET SPW0690LM4H-1 Rev A © 2018, Knowles Electronics, LLC, Itasca, IL, USA, All Rights Reserved.
11 SiSonic, Knowles and the logo are trademarks of Knowles Electronics, LLC.
MATERIALS STATEMENT
RELIABILITY SPECIFICATIONS
Test Description
MULTIMODE DIGITAL BOTTOM PORT SISONIC™ MICROPHONE
12
Knowles Corporation 1151 Maplewood Drive Itasca, Illinois 60143
Phone: 1 (630) 250-5100 Fax: 1 (630) 250-0575 [email protected]
Model/Reference Number: Datasheet SPW0690LM4H-1 Rev A © Copyright 2018 Knowles
SPECIFICATION REVISIONS
Revision Specification Changes Date