Rainbow-electronics MAX1400 User Manual download pdf (Page 18)

MAX1400

+5V, 18-Bit, Low-Power, Multichannel,

Oversampling (Sigma-Delta) ADC

18 ______________________________________________________________________________________

Table 8. Transfer-Function Register Mapping—Normal Mode (M1 = 0, M0 = 0)

Table 9. Transfer-Function Register Mapping—Offset-Cal Mode (M1 = 0, M0 = 1)

X = Don’t care

TRANSFER

FUNCTION REG.

AIN5–AIN6

AIN3–AIN4

AIN5–AIN6

AIN1–AIN2

AIN5–AIN6

CHANNEL

AIN3–AIN4

AIN1–AIN6

AIN3–AIN6

AIN4–AIN6

AIN2–AIN6

AIN1–AIN6

AIN3–AIN6

AIN4–AIN6

AIN2–AIN6

1 X1

0 11

SCAN

1 X0

0 10

0 00

DIFF

10 11

11 11

DIFF

0 0 10

0 1

0 1 20

1 1

0 X 11

0 X

0 X 21

Do not use

1 0

1 0 2

SCAN

1 1

TRANSFER

FUNCTION REG.

0 X

0 X 31

0 X

1 X 11

CALOFF+–CALOFF-

AIN2–AIN6

AIN4–AIN6

AIN3–AIN6

CALOFF+–CALOFF-

CHANNEL

CALOFF+–CALOFF-

AIN1–AIN2

CALGAIN+–CALGAIN-

AIN5–AIN6

1 X

1 X 31

1 X

1 X 31

1 X

AIN5–AIN6

CALGAIN+–CALGAIN-

CALOFF+–CALOFF-

AIN3–AIN4

Do Not Use

0 X 11 X AIN1–AIN6

1 1 Do not use1 1

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 35 36

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Rainbow-electronics MAX1400 User Manual Page 18

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