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AD7858LBR Datasheet(PDF) 11 Page - Analog Devices

Part # AD7858LBR
Description  3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADC
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7858LBR Datasheet(HTML) 11 Page - Analog Devices

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AD7858/AD7858L
REV. B
–11–
Table III. Channel Selection
SGL/
DIFF
CH2
CH1
CH0
AIN(+)*
AIN(–)*
0
0
0
0
AIN1
AIN2
0
0
0
1
AIN3
AIN4
0
0
1
0
AIN5
AIN6
0
0
1
1
AIN7
AIN8
0
1
0
0
AIN2
AIN1
0
1
0
1
AIN4
AIN3
0
1
1
0
AIN6
AIN5
0
1
1
1
AIN8
AIN7
1
0
0
0
AIN1
AGND
1
0
0
1
AIN3
AGND
1
0
1
0
AIN5
AGND
1
0
1
1
AIN7
AGND
1
1
0
0
AIN2
AGND
1
1
0
1
AIN4
AGND
1
1
1
0
AIN6
AGND
1
1
1
1
AIN8
AGND
*AIN(+) refers to the positive input seen by the AD7858/AD7858L sample and hold circuit,
*AIN(–) refers to the negative input seen by the AD7858/AD7858L sample and hold circuit.
Table IV. Calibration Selection
CALMD
CALSLT1
CALSLT0
Calibration Type
0
00A Full Internal Calibration is initiated where the Internal DAC is calibrated
followed by the Internal Gain Error, and finally the Internal Offset Error is
calibrated out. This is the default setting.
0
0
1
Here the Internal Gain Error is calibrated out followed by the Internal Offset
Error calibrated out.
0
1
0
This calibrates out the Internal Offset Error only.
0
1
1
This calibrates out the Internal Gain Error only.
1
00A Full System Calibration is initiated here where first the Internal DAC is
calibrated followed by the System Gain Error, and finally the System Offset
Error is calibrated out.
1
0
1
Here the System Gain Error is calibrated out followed by the System Offset
Error.
1
1
0
This calibrates out the System Offset Error only.
1
1
1
This calibrates out the System Gain Error only.



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