User's Manual

Electrical Characteristics GS2100M Low Power WiFi Module Data Sheet
Sigma Delta ADC Parameters
46 Confidential Preliminary GS2100M-DS-001212, Release 0.10
4.6 Sigma Delta ADC Parameters
Table 16, page 46 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
Integral Non-Linearity
(INL)
--
+2 LSB
Differential
Non-Linearity (DNL)
--
+1 LSB
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)
80 86 - dB see Note 4
Total Harmonic
Distortions (THD)
- -70 dB
Output load 10 KΩ
Output load 30 pF
Preamplifier Performance
Gain Range 6 24 dB see Note 5
Gain Error
+0.5 dB
Output Level 2.0 V
Input common-mode
level
VIN_3V3/2
Input impedance
(differential)
Gain=6dB
Gain=12dB
Gain=18dB
Gain=24dB
80
40
20
10
KΩ
Signal to Noise Ratio
(SNR)
80 86 dB see Note 4