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CS42L52 Datasheet, PDF (12/82 Pages) Cirrus Logic – Low Power, Stereo CODEC w/Headphone & Speaker Amps
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CS42L52
ANALOG INPUT CHARACTERISTICS (COMMERCIAL - CNZ)
(Test Conditions (unless otherwise specified): Input sine wave (relative to digital full-scale): 1 kHz through passive input filter;
VL = VD = VHP = 1.8 V; TA = +25°C; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Sample Fre-
quency = 48 kHz)
VA = 2.5V
Parameters
Min
Typ
Max
Analog In to ADC (PGA bypassed)
Dynamic Range
A-weighted 93
99
-
unweighted 90
96
-
Total Harmonic Distortion + Noise
-1 dBFS -
-86
-80
-20 dBFS -
-76
-
-60 dBFS -
-36
-30
Analog In to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted 92
98
-
unweighted 89
95
-
PGA Setting: +12 dB
A-weighted 85
91
-
unweighted 82
88
-
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS -
-88
-82
-60 dBFS -
-35
-29
PGA Setting: +12 dB
-1 dBFS -
-85
-79
Analog In to MIC Pre-Amp (+16 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted -
86
-
unweighted -
83
-
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS -
-76
-
Analog In to MIC Pre-Amp (+32 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted -
78
-
unweighted -
74
-
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-2 dBFS -
-74
-
Other Characteristics
DC Accuracy
Interchannel Gain Mismatch
-
0.2
-
Gain Drift
-
±100
-
Offset Error
SDOUT Code with HPF On -
352
-
Input
Interchannel Isolation
-
90
-
HP Amp to Analog Input Isolation
RL = 10 kΩ -
100
-
(Note 3)
RL = 16 Ω
-
70
-
Speaker Amp to Analog Input Isolation
-
60
-
Full-scale Input Voltage
ADC 0.73•VA 0.769•VA 0.83•VA
PGA (0 dB) 0.73•VA 0.770•VA 0.83•VA
PGA (+12 dB)
0.194•VA
MIC (+16 dB)
0.115•VA
MIC (+32 dB)
0.019•VA
Input Impedance (Note 4)
ADC -
20
-
PGA -
39
-
MIC -
50
-
VA = 1.8V
Min
Typ
Max
90
96
-
87
93
-
-
-84
-78
-
-73
-
-
-33
-27
89
95
-
86
92
-
82
88
-
79
85
-
-
-86
-80
-
-32
-26
-
-83
-77
-
83
-
-
80
-
-
-74
-
-
75
-
-
71
-
-
-71
-
-
0.2
-
-
±100
-
-
352
-
-
-
-
-
0.73•VA
0.73•VA
-
-
-
90
100
70
60
0.769•VA
0.770•VA
0.194•VA
0.115•VA
0.019•VA
20
39
50
-
-
-
-
0.83•VA
0.83•VA
-
-
-
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ppm/°C
LSB
dB
dB
dB
dB
Vpp
Vpp
Vpp
Vpp
kΩ
kΩ
kΩ
3. Measured with DAC delivering full-scale output into specified load.
4. Measured between analog input and AGND.
12
DS680A1
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