XE8000EV120 Semtech, XE8000EV120 Datasheet - Page 29

• Manufacturer Part Number: XE8000EV120
• Description: BOARD EVAL FOR SX8722I070TRLF
• Manufacturer: Semtech
• Series: ZoomingADC™r

Specifications of XE8000EV120

• Number Of Adc's: 1
• Number Of Bits: 16
• Data Interface: I²C
• Inputs Per Adc: 7 Single or 4 Differential
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Utilized Ic / Part: SX8722
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: XM8000EV120; XM8000EV120

9.4.2. Configuration flow
The diagram below shows the flow to set the gain of your configuration:
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Set PGA 3 gain
GAIN = PGA3
Enable PGA3
Gain < 10 ?
Set gain
Yes
October 2008
Figure 17. Gain configuration flowchart
No
Enable PGA2&3
Set PGA 2 gain
Set PGA 3 gain
PGA2 x PGA3
Gain < 100 ?
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GAIN =
End
Yes
High gain acquisition for sensor interface
No
PGA1 x PGA2 x PGA3
Enable PGA1,2&3
Set PGA 1 gain
Set PGA 2 gain
Set PGA 3 gain
GAIN =
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SX8722