ess es9008, competitor a, and competitor b spdif input at ... · thd+n vs. jitter amplitude...
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ESS TechnologySabre ES9008
8 Channel DAC Performance Comparison
ESS ES9008, Competitor A, and Competitor BSPDIF Input at 96000 bps
Sabre ES9008
All tests have been conducted by an independent third party consultant.
THD+N Vs. Jitter Amplitude Wideband Random
-140
-120
-100
-80
-60
-40
-20
00 2 4 6 8 10 12 14 16 18 20
Jitter Amplitude (nSec)
THD+
N (d
B)
Competitor A Competitor B ESS ES9008
THD+N Vs. Jitter Amplitude Vs. Jitter Frequency
-120
-110
-100
-90
-80
-70
-60
-500 2 4 6 8 10 12 14 16 18 20
Jitter Amplitude (nSec)
THD
+N (d
B)
Competitor A Competitor B ESS ES9008
316 Hz
1 kHz
3.16 kHz
10 kHz
Jitter FrequenciesTested:
THD+N Vs. Freq Vs. Jitter Amplitude Wideband Random
-120
-110
-100
-90
-80
-70
-60
-500 5000 10000 15000 20000 25000
Frequency (Hz)
THD+
N (d
B)
Competitor A Competitor B ESS ES9008
12 nS
0 nS
4 nS
8 nS
16 nS
20 nS
23.6 nS
27.7 nS
31.7 nS
35.8 nS
40 nS
JitterAmplitudesTested:
DAC FFT (-60 dBFS)
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
010 100 1000 10000 100000
Frequency (Hz)
Am
plitu
de (d
Br)
Competitor A Competitor B ESS ES9008
AES-17 20 kHz
A-weighted
-112.2
-117.1
-129.0
-114.6Competitor A
-119.7Competitor B
-131.2ESS ES9008
DAC DNR (dBr)
DAC Noise Floor
-200
-190
-180
-170
-160
-150
-140
-130
-120
-110
-10010 100 1000 10000 100000
Frequency (Hz)
Am
plitu
de (d
Br)
Competitor A Competitor B ESS ES9008
DAC Out of Band Noise
-180
-175
-170
-165
-160
-155
-150
-145
-140
-135
-1300 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 120000 130000
Frequency (Hz)
Am
plitu
de (d
Br)
Competitor A Competitor B ESS ES9008
DAC FFT (0 dBFS)
-200
-180
-160
-140
-120
-100
-80
-60
-40
-20
010 100 1000 10000 100000
Frequency (Hz)
Am
plitu
de (d
B)
Competitor A Competitor B ESS ES9008
A-weighted
-104.5Competitor A
-107.2Competitor B
-114.3ESS ES9008
THD+N (dBr)
THD+N Vs. Input Level
-130
-125
-120
-115
-110
-105
-100-30 -25 -20 -15 -10 -5 0
Level (dB)
THD
+N (d
BFS
)
Competitor A Competitor B ESS ES9008
-120
-115
-110
-105
-10010 100 1000 10000
Frequency (Hz)
THD+
N (d
Br)
Competitor A Competitor B ESS ES9008
THD+N Vs. Frequency
Intermodulation Distortion
-160
-140
-120
-100
-80
-60
-40
-20
00 5000 10000 15000 20000 25000 30000 35000
Frequency (Hz)
Am
plitu
de (d
B)
Competitor B Competitor A ESS ES9008
IMD (dB)
-110.2Competitor A
-102.1Competitor B
-116.6ESS ES9008
Frequency Response
-1
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
10 100 1000 10000 100000
Frequency (Hz)
Am
plitu
de (d
B)
Competitor A Competitor B ESS ES9008
Phase Vs. Frequency
-140
-120
-100
-80
-60
-40
-20
010 100 1000 10000 100000
Frequency (Hz)
Phas
e (d
eg)
Competitor A Phase Competitor B Phase ESS ES9008 Phase
Crosstalk Vs. Frequency
-155
-150
-145
-140
-135
-130
-125
-120
-115
-1100 5000 10000 15000 20000
Frequency (Hz)
Cro
ssta
lk (d
B)
Competitor A Competitor B ESS ES9008
Group Delay
-10
0
10
20
30
40
50
60
70
80
0 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000
Frequency (Hz)
Tim
e (u
S)
Competitor A Competitor B ESS ES9008