CS4270 Datasheet, PDF (14/48 Pages) Cirrus Logic – 24-Bit, 192 kHz Stereo Audio CODEC

ADC ANALOG CHARACTERISTICS - ALL MODES
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Error
Gain Drift
Analog Input Characteristics
Full-scale Input Voltage
Input Impedance
-
-
-3
-100
0.54*V
A
-
90
0.1
-
-
0.56*VA
300
CS4270
-
dB
-
3
+100
dB
%
ppm/°C
0.58*V Vpp
A
-
kΩ
ADC DIGITAL FILTER CHARACTERISTICS (Note 11)
(Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified)
Parameter
Single-Speed Mode
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Interchannel Phase Deviation
Double-Speed Mode
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Interchannel Phase Deviation
Quad-Speed Mode
Passband
(-0.1 dB)
Passband Ripple
Stopband
Stopband Attenuation
Group Delay
Interchannel Phase Deviation
High-Pass Filter Characteristics
Frequency Response
-3.0 dB
-0.13 dB
Phase Deviation
@ 20 Hz
Symbol
(Note 12)
(Note 12)
t_gd
(Note 12)
(Note 12)
t_gd
(Note 12)
(Note 12)
t_gd
(Note 13)
(Note 13)
Min
0
-0.1
0.58
-95
-
-
0
-0.1
0.68
-92
-
-
0
-0.1
0.78
-97
-
-
-
-
Typ Max Unit
- 0.47 Fs
- 0.035 dB
-
-
Fs
-
-
dB
12/Fs -
s
- 0.0001 deg
- 0.45 Fs
- 0.035 dB
-
-
Fs
-
-
dB
9/Fs -
s
- 0.0001 deg
- 0.24 Fs
- 0.035 dB
-
-
Fs
-
-
dB
5/Fs -
s
- 0.0001 deg
1
-
Hz
20
-
Hz
10
- deg
14
DS686A1