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ADVANCED COMMUNICATIONS & SENSING
USER GUIDE
SX8724SEVK
Evaluation Kit for SX8724S Data Acquisition System
ACS - Revision 1.0 May 2011
© Semtech Corp.
Table 4. ADC Configuration
Characteristic
Value (Typ)
Unit
V
BATT
= V
REF
3.3
V
Sampling frequency
250
kHz
Gain of PGA1
10
V/V
Gain of PGA2
10
V/V
Gain of PGA3
8.25
V/V
Total PGA gain
825
V/V
Offset of PGA2
0.00
V
REF
Offset of PGA3
1.58
V
REF
Total equivalent input offset
6.33
mV
Over-sampling rate
512
Elementary conversions
2
Resolution
1
1.
ADC quantization noise only
16
bit
Conversion time
4.108
ms
LSB equivalent input voltage
62.47
nV
Equivalent input noise
2
2.
PGA white noise included
649E-09
Vrms
PGA settling time
2.048
ms
