XE8000EV120 Semtech, XE8000EV120 Datasheet - Page 26

• 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

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9.3.3. Reference channel selection
9.3.4. Application example
In this example we want to measure a signal between AC0 and AC1 in single ended having a reference voltage between
AR1P and AR1N.
The following settings must be sent to SX8722:
Note:
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
This command can be optimized, since the reference and input setting are sharing the same address the mask and the settings
can be added.
October 2008
Set reference to
Sign inversion
AR1P - AR1N
AR2P - AR2N
AR1P - AR1N
Set input to
AC0 - AC1
AC0 - AC2
AC0 - AC3
AC0 - AC4
AC0 - AC5
AC0 - AC6
AC0 - AC7
AC1 - AC2
Function
Function
Function
Function
Table 8. Reference channel selection
Table 9. Reference channel selection
Table 6. Single-ended mode
Table 7. Invert input polarity
Address
Address
Address
Address
0x0F
0x0F
0x0F
0x0F
0x0F
Page 26
0x2C
0x22
0x24
0x26
0x28
0x2A
0x2B
0x10
0x00
0x01
0x00
0x00
Data
Data
Data
Data
High gain acquisition for sensor interface
Mask
Mask
Mask
Mask
0x2E
0x10
0x01
0x06
0x01
DATASHEET
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SX8722