CS42L51_07 Datasheet, PDF (13/88 Pages) Cirrus Logic – Low Power, Stereo CODEC with Headphone Amp

CS42L51
ANALOG INPUT CHARACTERISTICS (COMMERCIAL - CNZ)
(Test Conditions (unless otherwise specified): Input sine wave (relative to digital full scale): 1 kHz through passive
input filter; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified. Sample Frequency = 48 kHz)
VA = 2.5 V (nominal)
Parameter (Note 5)
Analog In to ADC (PGA bypassed)
Min
Typ
Max
Dynamic Range
A-weighted ⁹³
99
-
unweighted 90
96
-
Total Harmonic Distortion + Noise
Analog In to PGA to ADC
-1 dBFS ^-
-20 dBFS ^-
-60 dBFS -
-86
-80
-76
-
-36
-
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 ^-
-60 dBFS ^-
-88
-81
-35
-
PGA Setting: +12 dB
-1 dBFS -
Analog In to MIC Pre-Amp (+16 dB) to PGA to ADC
Dynamic Range
-85
-79
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
Other Characteristics
-1 dBFS ^-
-74
-
DC Accuracy
Interchannel Gain Mismatch
-
0.2
-
Gain Drift
-
±100
-
Offset Error
SDOUT Code with HPF On ^-
352
-
Input
Interchannel Isolation
-
90
-
DAC Isolation (Note 4)
Full-scale Input Voltage
ADC
PGA (0 dB)
MIC (+16 dB)
MIC (+32 dB)
-
0.74•VA
0.75•VA
70
0.78•VA
0.794•VA
0.129•VA
0.022•VA
-
0.82•VA
0.83•VA
Input Impedance (Note 6)
ADC ^-
20
-
PGA ^-
39
-
MIC -
50
-
VA = 1.8 V (nominal)
Min
Typ Max
90
96
-
87
93
-
-
-84
-78
-
-73
-
-
-33
-
89
95
-
86
92
-
82
88
-
79
85
-
-
-86
-80
-
-32
-
-
-83
-77
-
83
-
-
80
-
-
-74
-
-
75
-
-
71
-
-
-71
-
-
0.2
-
-
±100
-
-
352
-
-
90
-
-
0.74•VA
0.75•VA
70
0.78•VA
0.794•VA
0.129•VA
0.022•VA
-
0.82•VA
0.83•VA
-
20
-
-
39
-
-
50
-
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
Vpp
Vpp
Vpp
Vpp
kΩ
kΩ
kΩ
DS679F1
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