12
DS700PP1
CS53L21
ANALOG 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)
VA = 1.8 V (nominal)
Parameter (Note 4)
Min
Typ
Max
Min
Typ
Max
Unit
Analog In to ADC (PGA bypassed)
Dynamic Range
A-weighted
unweighted
93
90
99
96
-
90
87
96
93
-
dB
Total Harmonic Distortion + Noise
-1 dBFS
-20 dBFS
-60 dBFS
-
-86
-76
-36
-80
-
-84
-73
-33
-78
-
dB
Analog In to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted
unweighted
92
89
98
95
-
89
86
95
92
-
dB
PGA Setting: +12 dB
A-weighted
unweighted
85
82
91
88
-
82
79
88
85
-
dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS
-60 dBFS
-
-88
-35
-81
-
-86
-32
-80
-
dB
PGA Setting: +12 dB
-1 dBFS
-
-85
-79
-
-83
-77
dB
Analog In to MIC Pre-Amp (+16 dB) to PGA to ADC
Dynamic Range
PGA Setting: 0 dB
A-weighted
unweighted
-
86
83
-
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
unweighted
-
78
74
-
75
71
-
dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS
-
-74
-
-71
-
dB
Other Characteristics
DC Accuracy
Interchannel Gain Mismatch
-0.2
-
0.2-
dB
Gain Drift
-
±100
-
±100
-
ppm/°C
Offset Error
SDOUT Code with HPF On
-
352
-
352
-
LSB
Input
Interchannel Isolation
-90
-
90-
dB
Full-scale Input Voltage
ADC
PGA (0 dB)
MIC (+16 dB)
MIC (+32 dB)
0.74VA
0.75VA
0.78VA
0.794VA
0.129VA
0.022VA
0.82VA
0.83VA
0.74VA
0.75VA
0.78VA
0.794VA
0.129VA
0.022VA
0.82VA
0.83VA
Vpp
Input Impedance (Note 5)
ADC
PGA
MIC
-
20
39
50
-
20
39
50
-
k
Ω
k
Ω
k
Ω
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