XE8000EV120 Semtech, XE8000EV120 Datasheet - Page 31

• 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

9.4.6. PGA1 gain configuration
9.4.7. Application example
The total gain to set in this example is 300.
The following settings must be sent to SX8722:
Note:
The following list of settings shows the optimized
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
This command can be optimized, since PGA1 and PGA3 gains are sharing the same address the mask and the settings can be
added.
October 2008
Table 16. Optimized command of PGA gain settings
Table 15. Application example of PGA gain settings
Gain = 1
Gain = 10
Enable PGA1,2&3
PGA3 gain = 3
PGA2 gain = 10
PGA1 gain = 10
Enable PGA1,2&3
PGA3 gain = 3,
PGA1 gain = 10
PGA2 gain = 10
Function
Function
Function
Table 14. PGA1 gain configuration
Address
Address
Address
0x0D
0x0B
0x0D
0x0C
0x0D
0x0B
0x0D
0x0D
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0x00
0x80
0x0E
0x24
0x30
0x80
0x0E
0xA4
0x80
Data
Data
Data
High gain acquisition for sensor interface
Mask
Mask
Mask
0x0E
0x7F
0x0E
0xFF
0x80
0x30
0x80
0x30
DATASHEET
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SX8722