VS1005g Datasheet
4
CHARACTERISTICS & SPECIFICATIONS
4.4 Analog Characteristics of Audio Inputs
ADC Characteristics
Symbol Min Typ
Parameter
Max Unit
ADC Resolution
24
20
50
0.02
75
bits
dB
Microphone input amplifier gain
Microphone input amplitude
Microphone Total Harmonic Distortion
Microphone S/N Ratio, A-weighted
Line input amplitude
MICG
1401 mVpp AC
0.10
MTHD
MSNR
%
dB
502
2200 28001 mVpp AC
Line input Total Harmonic Distortion
Line input S/N Ratio
Sample rate
LTHD
LSNR
0.015 0.10
%
802
24
90
100
192
dB
kHz
kΩ
Line and Microphone input impedances
100
1
2
Above typical amplitude the Harmonic Distortion increases.
Limit Min due to noise level of production tester.
4.5 SAR Characteristics
SAR Characteristics
Symbol Min
Parameter
Typ
Max Unit
SAR resolution
10
bits
Input amplitude range
0
AVDD
100
V
SAR sample rate 1
Integral Nonlinearity
kHz
LSB
LSB
INL
DNL
+/-2
+/-0.5
Differential Nonlinearity
1
XTAL dependent
4.6 FM Characteristics
FM Characteristics
Parameter
Symbol Min Typ Max Unit
Channel frequency range, 10kHz steps
76
108 MHz
FM mono S/N Ratio, deviation 22kHz, Input level -50dBm 1
FM stereo S/N Ratio, deviation 45kHz, Input level -50dBm 1
FM mono S/N Ratio, deviation 22kHz, Input level -90dBm 1
FM stereo S/N Ratio, deviation 45kHz, Input level -90dBm 1
Total harmonic distortion, deviation 75kHz
LSNR
LSNR
LSNR
LSNR
THD
72
47
45
27
0.1
40
dB
dB
dB
dB
%
dB
0.3
Stereo separation
1
Measured over whole FM band
Version: 0.2, 2012-03-16
10
ETC [ ETC ]
