Adc analog characteristics - commercial grade, Cs4272 – Cirrus Logic CS4272 User Manual
Page 14

CS4272
14
DS593F1
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.
Notes: 14. Measured between AIN+ and AIN-
Parameter
Symbol
Min
Typ Max
Unit
Single Speed Mode Fs = 48 kHz
Dynamic Range
A-weighted
unweighted
108
105
114
111
-
-
dB
dB
Total Harmonic Distortion + Noise (Note 13)
-1 dB
-20 dB
-60 dB
THD+N
-
-
-
-100
-91
-51
-94
-
-
dB
dB
dB
Double Speed Mode Fs = 96 kHz
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
108
105
-
114
111
108
-
-
-
dB
dB
dB
Total Harmonic Distortion + Noise (Note 13)
-1 dB
-20 dB
-60 dB
40 kHz bandwidth -1 dB
THD+N
-
-
-
-
-100
-91
-51
-97
-94
-
-
-
dB
dB
dB
dB
Quad Speed Mode Fs = 192 kHz
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
108
105
-
114
111
108
-
-
-
dB
dB
dB
Total Harmonic Distortion + Noise (Note 13)
-1 dB
-20 dB
-60 dB
40 kHz bandwidth -1 dB
THD+N
-
-
-
-
-100
-91
-51
-97
-94
-
-
-
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
1.07xVA
1.13xVA
1.19xVA
Vpp
Input Impedance (Differential)
(Note 14)
37
-
-
k
Ω
Common Mode Rejection Ratio
CMRR
-
82
-
dB