XE8000EV120 Semtech, XE8000EV120 Datasheet - Page 84
XE8000EV120
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
XM8000EV120
- Current page: 84 of 108
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14.2.2. Configuration 1 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 66. C1ZAdcReg1 (0x0A)
Table 67. C1ZAdcReg2 (0x0B)
Table 68. C1ZAdcReg3 (0x0C)
Table 69. C1ZAdcReg4 (0x0D)
0000000 PGA3 stage gain selection
Reset
Reset
Reset
Reset
0000
0000
010
01
00
00
11
11
0
x
x
x
Page 84
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
www.semtech.com
SX8722
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