User Manual

10 DS658F4
CS5345
ADC ANALOG CHARACTERISTICS
(Continued)
5. Referred to the typical line-level full-scale input voltage
6. Valid for Double- and Quad-Speed Modes only.
7. Valid when the microphone-level inputs are selected.
Microphone-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 0 dB
A-weighted
unweighted
PGA Setting: +12 dB
A-weighted
unweighted
77
74
65
62
83
80
71
68
-
-
-
-
dB
dB
dB
dB
Tot al Harmonic Distortion + Noise (Note 5)
PGA Setting: -12 dB to 0 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB
-1 dB
THD+N
-
-
-
-
-80
-60
-20
-68
-74
-
-
-
dB
dB
dB
dB
Dynamic Performance for VA = 3.13 V to 3.46 V
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
-
-
-
-
dB
dB
dB
dB
Tot al Harmonic Distortion + Noise (Note 5)
PGA Setting: -12 dB to 0 dB
-1 dB
-20 dB
-60 dB
PGA Setting: +12 dB
-1 dB
THD+N
-
-
-
-
-80
-60
-20
-68
-74
-
-
-
dB
dB
dB
dB
Interchannel Isolation - 80 - dB
DC Accuracy
Gain Error - 5 -%
Gain Drift -
300 - ppm/°C
Microphone-Level Input Characteristics
Full-scale Input Voltage 0.013*VA 0.017*VA 0.021*VA V
pp
Input Impedance (Note 7) -60-k