GS2101M Low Power Wi-Fi Module Hardware User Guide
1VV0301395 Rev 3.0
Page
44
of
53
2017-11-13
Sigma Delta ADC Parameters
Following table lists the Sigma Delta ADC parameters. Test conditions are:
VIN_3V3=VRTC=3.3V Temp=25
o
C.
Parameter
Minimum
Typical
Maximum
Unit
Notes
D/A DC Performance (see Note 1)
Resolution
-
16
-
Bits
Full Scale
2.4
0
V
See Note 2
Output
common-mode
level
VIN_3V3/2
Gain Error
-
-
+5
%
See Note 2
Offset
-
-
+20
mV
D/A Dynamic Performance
Data Rate
32
-
80
KHz
Clock
Frequency
8
-
20
MHz
See Note 3
Signal to
Noise Ratio
(SNR)
67
-
dB
See Note 4
Total
Harmonic
Distortions
(THD)
-
-74
dB
Output load
10
KΩ
Output load
30
pF
A/D DC Performance (Preamplifier Gain=0db)
Resolution
16
Bits
Full Scale
2.0
V
Input
common-
mode level
VIN_3V3/2
Gain Error
+3
%
Offset
+10
LSB
A/D Dynamic Performance (Preamplifier Gain=0db)
Data Rate
32
80
KHz
Clock
Frequency
8
20
MHz
See Note 3
Signal-to-
Noise Ratio
(SNR)
80
dB
See Note 4
Total
Harmonic
Distortion
(THD)
-85
dB
See Note 4
Input
Resistance
100
KΩ
Tab. 14 ADC Parameters
