MAX1400_02 Datasheet, PDF (18/34 Pages) Maxim Integrated Products – +5V, 18-Bit, Low-Power, Multichannel, Oversampling (Sigma-Delta) ADC

+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
Table 8. Transfer-Function Register Mapping—Normal Mode (M1 = 0, M0 = 0)
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
1
X
X
1
1
X
X
1
1
X
X
1
1
1
1
CHANNEL
AIN1–AIN6
AIN2–AIN6
AIN3–AIN6
AIN4–AIN6
AIN1–AIN2
AIN3–AIN4
AIN5–AIN6
AIN1–AIN6
AIN2–AIN6
AIN3–AIN6
AIN4–AIN6
AIN5–AIN6
AIN1–AIN2
AIN3–AIN4
AIN5–AIN6
TRANSFER
FUNCTION REG.
1
1
2
2
1
2
3
Do Not Use
1
1
2
2
3
1
2
3
Do Not Use
X = Don’t Care.
Table 9. Transfer-Function Register Mapping—Offset-Cal Mode (M1 = 0, M0 = 1)
SCAN
DIFF
A1
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
X
1
0
X
1
0
X
1
0
X
1
0
X
1
0
X
1
0
X
1
1
X
1
1
X
1
1
X
1
1
X
1
1
X
1
1
1
A0
CHANNEL
TRANSFER
FUNCTION REG.
0
CALOFF+–CALOFF-
1
1
CALOFF+–CALOFF-
1
0
CALOFF+–CALOFF-
2
1
CALOFF+–CALOFF-
2
0
CALOFF+–CALOFF-
1
1
CALOFF+–CALOFF-
2
0
CALOFF+–CALOFF-
3
1
Do not use
X
AIN1–AIN6
1
X
AIN2–AIN6
1
X
AIN3–AIN6
2
X
AIN4–AIN6
2
X
AIN5–AIN6
3
X
CALOFF+–CALOFF-
3
X
CALGAIN+–CALGAIN-
3
X
AIN1–AIN2
1
X
AIN3–AIN4
2
X
AIN5–AIN6
3
X
CALOFF+–CALOFF-
3
X
CALGAIN+–CALGAIN-
3
1
Do not use
X = Don’t Care.
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