CS4245 Datasheet, PDF (17/54 Pages) Cirrus Logic – 105 dB, 24-Bit, 192 kHz Streo Sudio CODEC

CS4245
AUXILIARY OUTPUT ANALOG CHARACTERISTICS (CONT’D)
VA = 3.3 V
Parameter
Symbol Min
Typ
Dynamic Performance with PGA Output Selected, Line Level Input
Dynamic Range
(Note 18)
PGA Setting: -12 dB to +6 dB
A-weighted
unweighted
94
102
91
99
PGA Setting: +12 dB Gain
A-weighted
unweighted
90
96
87
93
Total Harmonic Distortion + Noise
(Note 18) THD+N
PGA Setting: -12 dB to +12 dB
-1 dB
-
-80
-20 dB
-
-82
-60 dB
-
-42
Dynamic Performance with PGA Output Selected, Mic Level Input
Dynamic Range
(Note 18)
PGA Setting: -12 dB to 0 dB
A-weighted
unweighted
77
83
74
80
PGA Setting: +12 dB
A-weighted
unweighted
65
71
62
68
Total Harmonic Distortion + Noise
(Note 18) THD+N
PGA Setting: -12 dB to 0 dB
-1 dB
-
-74
-20 dB
-
-60
-60 dB
-
-20
PGA Setting: +12 dB
-1 dB
-
-68
Dynamic Performance with DAC Output Selected
Dynamic Range
18 to 24-Bit
16-Bit
(Notes 17, 18)
A-Weighted
unweighted
A-Weighted
unweighted
96
102
93
99
88
93
85
90
Total Harmonic Distortion + Noise (Notes 17, 18) THD+N
16 to 24-Bit
0 dB
-
-80
-20 dB
-
-82
-60 dB
-
-42
Max
Unit
-
dB
-
dB
-
dB
-
dB
-74
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-68
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-74
dB
-
dB
-
dB
Notes: 17. One-half LSB of triangular PDF dither added to data.
18. Referred to the typical AUXOUT Full-Scale Output Voltage.
17