XE8000EV120 Semtech, XE8000EV120 Datasheet - Page 92

• 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

14.2.4. Configuration 3 registers
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
6:5
4:2
7:6
5:4
3:0
7:6
5:4
3:0
6:0
Bit
Bit
Bit
Bit
7
1
0
7
reserved
SET_NELC
SET_OSR
reserved
reserved
IB_AMP_ADC[1:0]
IB_AMP_PGA[1:0]
ENABLE[3:0]
FIN[1:0]
PGA2_GAIN[1:0]
PGA2_OFFSET[3:0]
PGA1_GAIN
PGA3_GAIN[6:0]
Name
Name
Name
Name
October 2008
rw
rw
rw
rw
rw
rw
rw
rw
Mode
Mode
Mode
Mode
rw
rw
r
r
r
Table 104. C3ZAdcReg3 (0x4C)
Table 105. C3ZAdcReg4 (0x4D)
Table 102. C3ZAdcReg1 (0x4A)
Table 103. C3ZAdcReg2 (0x4B)
0000000 PGA3 stage gain selection
Reset
Reset
Reset
Reset
0000
0000
010
01
00
00
11
11
0
x
x
x
Page 92
Sets the number of elementary conversion to 2
compensate for offset the signal is chopped between elementary
conversion.
Sets the ADC over-sampling rate of an elementary conversion to
2
Bias current selection of the A/D converter.
Bias current selection of the PGA stages.
Enables the different PGA stages and ADC.
Sampling frequency selection
PGA2 stage gain selection
PGA2 stage offset selection
PGA1 stage gain selection
3+SET_OSR[2:0]
XXX1 - ADC enable
XX1X - PGA3 enable
X1XX - PGA2 enable
1XXX - PGA1 enable
High gain acquisition for sensor interface
.
Description
Description
Description
Description
SET_NELC[1:0]
DATASHEET
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SX8722
. To