Adc Analog Characteristics - Cirrus Logic CS4265 Manual

ADC ANALOG CHARACTERISTICS

(Continued)
Parameter
Dynamic Performance for VA = 4.75 V to 5.25 V
Dynamic Range
Total Harmonic Distortion + Noise
Dynamic Performance for VA = 3.13 V to 3.46 V
Dynamic Range
Total Harmonic Distortion + Noise
Interchannel Isolation
DC Accuracy
Gain Error
Gain Drift
Microphone-Level Input Characteristics
Full-scale Input Voltage
Input Impedance
12. Referred to the typical line-level full-scale input voltage
13. Valid for Double- and Quad-Speed Modes only.
14. Valid when the microphone-level inputs are selected.
DS657F3
Microphone-Level Inputs
PGA Setting: -12 dB to 0 dB
A-weighted
unweighted
PGA Setting: +12 dB
A-weighted
unweighted
(Note 12)
PGA Setting: -12 dB to 0 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB
-1 dB
PGA Setting: -12 dB to 0 dB
A-weighted
unweighted
PGA Setting: +12 dB
A-weighted
unweighted
(Note 12)
PGA Setting: -12 dB to 0 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB
-1 dB
(Note 14)
Symbol Min
77
74
65
62
-
-
THD+N
-
-
77
74
65
62
-
-
THD+N
-
-
-
-
-
0.013*VA
-
CS4265
Typ Max
83 -
80 -
71 -
68 -
-80 -74
-60 -
-20 -
-68 -
83 -
80 -
71 -
68 -
-80 -74
-60 -
-20 -
-68 -
80 -
5
 -

300 -
0.017*VA 0.021*VA
60 -
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
ppm/°C
V
pp
k
15