Adc analog characteristics - commercial grade, Cs4271 – Cirrus Logic CS4271 User Manual
Page 14
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CS4271
14
DS592F1
ADC ANALOG CHARACTERISTICS - COMMERCIAL GRADE
Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Input is 1 kHz sine wave.
Notes: 13. Referred to the typical full-scale input voltage.
Parameter
Symbol
Min
Typ Max
Unit
Single Speed Mode Fs = 48 kHz
Dynamic Range
A-weighted
unweighted
102
99
108
105
-
-
dB
dB
Total Harmonic Distortion + Noise (Note 13)
-1 dB
-20 dB
-60 dB
THD+N
-
-
-
-98
-85
-45
-92
-
-
dB
dB
dB
Double Speed Mode Fs = 96 kHz
Dynamic Range
A-weighted
unweighted
40kHz bandwidth unweighted
102
99
-
108
105
102
-
-
-
dB
dB
dB
Total Harmonic Distortion + Noise (Note 13)
-1 dB
-20 dB
-60 dB
40kHz bandwidth -1 dB
THD+N
-
-
-
-
-98
-85
-45
-95
-92
-
-
-
dB
dB
dB
dB
Quad Speed Mode Fs = 192 kHz
Dynamic Range
A-weighted
unweighted
40kHz bandwidth unweighted
102
99
-
108
105
102
-
-
-
dB
dB
dB
Total Harmonic Distortion + Noise (Note 13)
-1 dB
-20 dB
-60 dB
40kHz bandwidth -1 dB
THD+N
-
-
-
-
-98
-85
-45
-95
-92
-
-
-
dB
dB
dB
dB
Dynamic Performance for All Modes
Interchannel Isolation
-
110
-
dB
Interchannel Phase Deviation
-
0.0001
-
Degree
DC Accuracy
Interchannel Gain Mismatch
-
0.1
-
dB
Gain Error
-
±
5
%
Gain Drift
-
±
100
-
ppm/°C
Offset Error
HPF enabled
HPF disabled
-
-
0
100
-
-
LSB
LSB
Analog Input Characteristics
Full-scale Input Voltage
0.51xVA
0.565xVA
0.62xVA
Vpp
Input Impedance
18
-
-
k
Ω