MAX11135_V1 Datasheet, PDF(35/40 Page) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit,4-/8-/16-Channel ADCs

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MAX11135_V1 Datasheet, PDF (35/40 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit,4-/8-/16-Channel ADCs

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MAX11135âMAX11143

500ksps, Low-Power, Serial 12-/10-/8-Bit,

4-/8-/16-Channel ADCs

SELECT REFERENCE

EXTERNAL SINGLE-ENDED

SELECT ADC

CONFIGURATION REGISTER

SET REFSEL BIT TO 0

SINGLE-ENDED

OR DIFFERENTIAL

EXTERNAL DIFFERENTIAL

SELECT ADC

CONFIGURATION REGISTER

SET REFSEL BIT TO 1

FIGURE OUT NUMBER

OF CHANNELS TO USE (N)

FOR EACH ADC CHANNEL

SINGLE-ENDED

PSEUDO-

DIFFERENTIAL

SINGLE-ENDED

PSEUDO-

DIFFERENTIAL

PSEUDO-DIFFERENTIAL

SINGLE-ENDED

SE, PsD/FD

FULLY-

DIFFERENTIAL

UNIPOLAR OR

BIPOLAR

SELECT UNIPOLAR AND

TO 1 FOR PSEUDO-

DIFFERENTIAL SELECTION

SELECT UNIPOLAR AND

BIPOLAR REGISTER SET PER

CHANNEL UCH{X}/{X+1}

AND BCH{X}/{X+1} TO 0 FOR

SINGLE-ENDED SELECTION

SELECT BIPOLAR REGISTER

SET PER CHANNEL

BCH{X}/{X+1} TO 1

FOR BIPOLAR FULLY

DIFFERENTIAL

UNIPOLAR

SELECT UNIPOLAR

CHANNEL UCH{X}/{X+1}

TO 1 FOR UNIPOLAR

SELECT RANGE REGISTER SET PER CHANNEL 1

PAIR RANGE{X}/{X+1} TO 1 QVREF+

RANGE SELECT

FOR EACH ADC CHANNEL

SELECT RANGE REGISTER SET PER CHANNEL

PAIR RANGE{X}/{X+1} TO 0 QVREF+/ 2

Figure 11. ADC Programming Sequence

NEXT CHANNEL

SEE FIGURE 12

ââ35

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