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MAX1402 Datasheet, PDF (21/40 Pages) Maxim Integrated Products – +5V, 18-Bit, Low-Power, Multichannel, Oversampling Sigma-Delta ADC | |||
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+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
Table 9. Transfer-Function Register MappingâOffset-Cal Mode (M1 = 0, M0 = 1)
SCAN
DIFF
A1
A0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
X
X
1
0
X
X
1
0
X
X
1
0
X
X
1
0
X
X
1
0
X
X
1
0
X
X
1
1
X
X
1
1
X
X
1
1
X
X
1
1
X
X
1
1
X
X
1
1
1
1
CHANNEL
CALOFF+ â CALOFF-
CALOFF+ â CALOFF-
CALOFF+ â CALOFF-
CALOFF+ â CALOFF-
CALOFF+ â CALOFF-
CALOFF+ â CALOFF-
CALOFF+ â CALOFF-
Do Not Use
AIN1âAIN6
AIN2âAIN6
AIN3âAIN6
AIN4âAIN6
AIN5âAIN6
CALOFF+ â CALOFF-
CALGAIN+ â CALGAIN-
AIN1âAIN2
AIN3âAIN4
AIN5âAIN6
CALOFF+ â CALOFF-
CALGAIN+ â CALGAIN-
Do Not Use
TRANSFER
FUNCTION REG.
1
1
2
2
1
2
3
1
1
2
2
3
3
3
1
2
3
3
3
X = Donât care
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