SX8725C View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SX8725C' PDF : 68 Pages View PDF
SX8725C
ZoomingADC for sensing data acquisition
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
8.2 Gain Configuration Flow
The diagram below shows the flow to set the gain of your configuration:
Set gain
Gain < 10 ?
Yes
Enable PGA3
No
Gain < 100 ?
No
Enable PGA1,2&3
Yes
Enable PGA2&3
Set PGA 1 gain
Set PGA 3 gain
Set PGA 2 gain
Set PGA 2 gain
Set PGA 3 gain
Set PGA 3 gain
GAIN = PGA3
GAIN =
PGA2 x PGA3
GAIN =
PGA1 x PGA2 x PGA3
End
Figure 19. Gain configuration flowchart
Revision 1.01
© Semtech
January 2011
Page 37
www.semtech.com/products/
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