User's Manual

GS2101M Low Power WiFi Module Data Sheet Electrical Characteristics
Sigma Delta ADC Parameters
GS2101M-DS-001270, Release 1.0 Confidential 49
4.6 Sigma Delta ADC Parameters
Table 16, page 49 lists the Sigma Delta ADC parameters. Test conditions are:
VIN_3V3=VRTC=3.3V Temp=25
o
C.
Table 16 ADC Parameters
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