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MAX110/MAX111

Low-Cost, 2-Channel, ±14-Bit Serial ADCs

12 ______________________________________________________________________________________

OUTPUT

CODE

+OVERFLOW

TRANSITION

-OVERFLOW

TRANSITION

POL OFL D13...D0

0 1 00 . . .000

1 1 00 . . .001

1 1 00 . . .000

1 1 00 . . .010

1 0 11 . . .111

REF

-1LSB

INPUT VOLTAGE (LSBs)

- V

REF

0 0 11 . . .111

0 0 11 . . .110

0 0 11 . . .101

0 0 11 . . .100

+OVERFLOW

0 0 00 . . .001

0 0 00 . . .000

1 1 11 . . .111

1 1 11 . . .110

1 1 00 . . .011

-OVERFLOW

Figure 4. Differential Transfer Function

OUTPUT

CODE

OVERFLOW

TRANSITION

POL OFL D13...D0

0 1 00 . . .000

0 0 00 . . .001

0 0 00 . . .000

0 0 00 . . .010

1 1 11 . . .111

REF

-1LSB

INPUT VOLTAGE (LSBs)

0123

0 0 11 . . .111

0 0 11 . . .110

0 0 11 . . .101

0 0 11 . . .100

+OVERFLOW

0 0 00 . . .011

Figure 5. Unipolar Transfer Function

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

MAX110/MAX111 1

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ADC 2 Manual do Utilizador Página 12

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