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TLC320AD90 Datasheet, PDF (39/51 Pages) Texas Instruments – Stereo Audio Codec
3.3.4.3 Analog Input Performance Data, TA = 25°C, AVDD = DVDD = 5 V ± 5%, fs = 48 kHz,
For Gain Settings at 0 dB, Input = 1 Vrms Sine Wave at 1 kHz
PARAMETER
DC ACCURACY
Programmable input gain settings
(all settings tested)
Interchannel gain mismatch
Gain step size for PGAs on the inputs
Gain drift
Gain error with respect to 2.8 Vpp
Offset error
Crosstalk between input channels
Common-mode rejection ratio
INPUT VOLTAGE
Full-scale input voltage
INPUT IMPEDANCE
Input impedance
TEST CONDITIONS
MIN TYP MAX UNIT
All inputs except MIC
All inputs
All inputs
All inputs
All inputs
CD pseudo-diff input
–34.5
12 dB
±0.15
1.4 1.5
100
–110
60
67
±0.4
1.6
10
100
–104
dB
dB
ppm/°C
%
LSB
dB
dB
All inputs except MIC
MIC1, MIC2 inputs, 20 dB off
MIC1, MIC2 inputs,
with 20 dB boost on
2.66 2.8 2.94 Vpp
2.8
Vpp
.28
Vpp
MIC1, MIC2 only, resistance
MIC1, MIC2 only, capacitance
All other analog inputs,
resistance
All other analog inputs,
capacitance
10
kΩ
15 pF
20
40
kΩ
15
pF
3–4