Cirrus Logic CS4245 - Manual (Page 17)

DS656F3 17
CS4245
AUXILIARY OUTPUT 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: 10 Hz to 20 kHz;
Fs = 48/96/192 kHz; Synchronous mode; All connections as shown in Figure 12 on page 29 .
VA = 4.75 V to 5.25 V
Parameter Symbol
Commercial Grade Automotive Grade
Unit Min Typ Max Min Typ Max
Dynamic Performance with PGA Output Selected, Line Level Input
Dynamic Range
PGA Setting: -12 dB to +6 dB
A-weighted
unweighted
PGA Setting: +12 dB Gain
A-weighted
unweighted
98
95
92
89
104
101
98
95
-
-
-
-
96
93
90
87
104
101
98
95
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 19)
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
-
-
-
-
-
-
-80
-81
-41
-80
-75
-35
-74
-
-
-74
-
-
-
-
-
-
-
-
-80
-81
-41
-80
-75
-35
-72
-
-
-72
-
-
dB
dB
dB
dB
dB
dB
Dynamic Performance with PGA Output Selected, Mic Level Input
Dynamic Range
PGA Setting: -12 dB to 0 dB
A-weighted
unweighted
PGA Setting: +12 dB
A-weighted
unweighted
77
74
65
62
83
80
71
68
-
-
-
-
75
72
63
60
83
80
71
68
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Note 19)
PGA Setting: -12 dB to 0 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB
-1 dB
THD+N
-
-
-
-
-74
-60
-20
-68
-68
-
-
-
-
-
-
-
-74
-60
-20
-68
-66
-
-
-
dB
dB
dB
dB
Dynamic Performance with DAC Output Selected
Dynamic Range (Notes 18 )
18 to 24-Bit A-weighted
unweighted
16-Bit A-Weighted
unweighted
98
95
90
87
104
101
96
93
-
-
-
-
96
93
88
85
104
101
96
93
-
-
-
-
dB
dB
dB
dB
Total Harmonic Distortion + Noise (Notes 18 , 20 )
18 to 24-Bit 0 dB
-20 dB
-60 dB
16-Bit 0 dB
-20 dB
-60 dB
THD+N
-
-
-
-
-
-
-80
-81
-41
-80
-73
-33
-74
-
-
-74
-
-
-
-
-
-
-
-
-80
-81
-41
-80
-73
-33
-72
-
-
-72
-
-
dB
dB
dB
dB
dB
dB