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CS42L52 Datasheet, PDF (13/82 Pages) Cirrus Logic – Low Power, Stereo CODEC w/Headphone & Speaker Amps
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CS42L52
ANALOG INPUT CHARACTERISTICS (AUTOMOTIVE - DNZ)
(Test Conditions (unless otherwise specified): Input sine wave (relative to full-scale): 1 kHz through passive input filter;
VL = VD = VHP = 1.8 V; TA = -40 to +85°C; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Sample
Frequency = 48 kHz)
VA = 2.37 - 2.63 V
VA = 1.65 - 1.89 V
Parameters
Min
Typ
Max Min
Typ
Max Unit
Analog In to ADC
Dynamic Range
Total Harmonic Distortion + Noise
A-weighted 91
unweighted 88
-1 dBFS -
-20 dBFS -
-60 dBFS -
99
-
88
96
-
85
-86
-78
-
-76
-
-
-36
-28
-
96
-
dB
93
-
dB
-84
-76
dB
-73
-
dB
-33
-25
dB
Analog In to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
PGA Setting: +12 dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
PGA Setting: +12 dB
A-weighted 90
unweighted 87
A-weighted 83
unweighted 80
-1 dBFS -
-60 dBFS -
-1 dBFS -
98
-
87
95
-
84
91
-
80
88
-
77
-88
-80
-
-35
-27
-
-85
-77
-
95
-
dB
92
-
dB
88
-
dB
85
-
dB
-86
-78
dB
-32
-24
dB
-83
-75
dB
Analog In to MIC Pre-Amp (+16 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted -
86
-
-
83
-
dB
unweighted -
83
-
-
80
-
dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS -
-76
-
-
-74
-
dB
Analog In to MIC Pre-Amp (+32 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted -
78
-
-
75
-
dB
unweighted -
74
-
-
71
-
dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-2 dBFS -
-74
-
-
-71
-
dB
Other Characteristics
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
-
0.1
-
-
±100
-
-
0.1
-
dB
-
±100
- ppm/°C
Offset Error
SDOUT Code with HPF On -
352
-
-
352
-
LSB
Input
Interchannel Isolation
-
90
-
-
90
-
dB
HP Amp to Analog Input Isolation
RL = 10 kΩ
-
100
-
(Note 3)
RL = 16 Ω
-
70
-
-
100
-
dB
-
70
-
dB
Speaker Amp to Analog Input Isolation
-
60
-
-
60
-
dB
Full-scale Input Voltage
ADC 0.73•VA 0.769•VA 0.83•VA 0.73•VA 0.769•VA 0.83•VA Vpp
PGA (0 dB) 0.73•VA 0.770•VA 0.83•VA 0.73•VA 0.770•VA 0.83•VA Vpp
PGA (+12 dB)
0.194•VA
0.194•VA
Vpp
MIC (+16 dB)
0.115•VA
0.115•VA
Vpp
MIC (+32 dB)
0.019•VA
0.019•VA
Input Impedance (Note 4)
ADC 18
-
-
18
-
-
kΩ
PGA 40
-
-
40
-
-
kΩ
MIC 50
-
-
50
-
-
kΩ
DS680A1
13
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