CS4244 Datasheet, PDF (12/63 Pages) Cirrus Logic – 4 In/4 Out Audio CODEC with PCM and TDM Interfaces

CS4244
ANALOG INPUT CHARACTERISTICS (AUTOMOTIVE GRADE)
Test Conditions (unless otherwise specified): Device configured as shown in Section 2. on page 8. Input sine
wave: 1 kHz; VA_SEL = 0 for VA = 3.3 VDC, 1 for VA = 5.0 VDC.; T_A = -40 to +85 C; Measurement Bandwidth is
20 Hz to 20 kHz unless otherwise specified; Sample Rate = 48 kHz; all Power Down ADCx bits = 0.
Parameter
Dynamic Range
A-weighted
unweighted
Total Harmonic Distortion + Noise
-1 dBFS
-60 dBFS
Other Analog Characteristics
Interchannel Gain Mismatch
Gain Drift
Offset Error (Note 13)
High Pass Filter On
High Pass Filter Off
Interchannel Isolation
Full-scale Input Voltage
(Differential Inputs)
Input Impedance
Common Mode Rejection
(Differential Inputs)
PSRR (Note 14)
1 kHz
60 Hz
VA, VREF = 3.3 V
Min
Typ
Max
93
101
-
90
98
-
-
-95
-87
-
-38
-30
-
0.2
-
-
±100
-
-
0.0001
-
-
0.25
-
-
90
-
1.58•VA
-
-
1.66•VA
40
60
1.74•VA
-
-
-
45
-
-
20
-
VA, VREF = 5.0 V
Min
Typ
Max
97
105
-
94
102
-
-
-88
-80
-
-42
-34
-
0.2
-
-
±100
-
-
0.0001
-
-
0.25
-
-
90
-
1.58•VA 1.66•VA 1.74•VA
-
40
-
-
60
-
-
45
-
-
20
-
Unit
dB
dB
dB
dB
dB
ppm/°C
% Full Scale
% Full Scale
dB
Vpp
k
dB
dB
dB
Notes:
13. AINx+ connected to AINx-.
14. Valid with the recommended capacitor values on FILT+ and VQ. See Figure 4 for test configuration.
DS900F2
12