Rainbow-electronics MAX1402 Manual de usuario Pagina 21

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MAX1402
+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
______________________________________________________________________________________ 21
Table 9. Transfer-Function Register Mapping—Offset-Cal Mode (M1 = 0, M0 = 1)
X = Don’t care
AIN1–AIN6X1 1X0
AIN3–AIN4
CALOFF+ – CALOFF-
CALGAIN+ – CALGAIN-
AIN5–AIN6
X
X
X
X1
1
2
3
1 3X1
X1
1 3X1
X1
AIN5–AIN6
CALGAIN+ – CALGAIN-
AIN1–AIN2
CALOFF+ – CALOFF-
CALOFF+ – CALOFF-
CALOFF+ – CALOFF-
CHANNEL
CALOFF+ – CALOFF-
Do Not Use
AIN3–AIN6
AIN4–AIN6
AIN2–AIN6
CALOFF+ – CALOFF-
CALOFF+ – CALOFF-
CALOFF+ – CALOFF-
CALOFF+ – CALOFF-
X
X
X
X
0
1
0
X
X
X
1
1
0
1
A0
0
1
1
3
3
1 1X1
X0
1 3X0
X0
0
0
1
3
TRANSFER
FUNCTION REG.
11
0
SCAN
201
01
0
1 2
1 2X0
X0
1 1X0
11
0
0
1
2
0 210
10
0 100
A1
0
DIFF
0
Do Not Use11 11
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