CS4245
ADC ANALOG CHARACTERISTICS
Test conditions (unless otherwise specified): AGND = DGND = 0 V; VA = 3.13 V to 5.25 V; VD = 3.13 V to 5.25 V
or VA + 0.25 V, whichever is less; VLS = VLC = 1.71 V to 5.25 V; T A = -10° to +70° C for Commercial or -40° to
+85° C for Automotive; Input test signal: 1 kHz sine wave; measurement bandwidth is 10 Hz to 20 kHz;
Fs = 48/96/192 kHz. Synchronous mode; All connections as shown in Figure 12 on page 29 .
Line-Level Inputs
Parameter
Symbol
Min
Typ
Max
Unit
Dynamic Performance for VA = 4.75 V to 5.25 V
Dynamic Range
PGA Setting: -12 dB to +6 dB
A-weighted
unweighted
40 kHz bandwidth unweighted
PGA Setting: +12 dB Gain
A-weighted
unweighted
40 kHz bandwidth unweighted
98
95
-
92
89
-
104
101
98
98
95
92
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 12)
(Note 13) 40 kHz bandwidth -1 dB
(Note 13) 40 kHz bandwidth -1 dB
PGA Setting: -12 dB to +6 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB Gain
-1 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-
-
-95
-81
-41
-92
-92
-75
-35
-89
-89
-
-
-
-86
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
Dynamic Performance for VA = 3.13 V to 3.46 V
Dynamic Range
PGA Setting: -12 dB to +6 dB
A-weighted
unweighted
40 kHz bandwidth unweighted
PGA Setting: +12 dB Gain
A-weighted
unweighted
40 kHz bandwidth unweighted
93
90
-
89
86
-
101
98
95
95
92
89
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 12)
(Note 13) 40 kHz bandwidth -1 dB
(Note 13) 40 kHz bandwidth -1 dB
PGA Setting: -12 dB to +6 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB Gain
-1 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-
-
-92
-78
-38
-84
-89
-72
-32
-81
-86
-
-
-
-83
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
Line-Level Inputs
Commercial Grade
Interchannel Isolation
Parameter
Symbol
Min
-
Typ
90
Max
-
Unit
dB
DS656F3
13
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