COMBOSMARTMETER datasheet(42/60 Pages) TI1

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ADS131E04

ADS131E06

ADS131E08

SBAS561A – JUNE 2012 – REVISED APRIL 2013

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CHnSET: Individual Channel Settings (n = 1 to 8)

Address = 05h to 0Ch

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

PDn

GAINn2

GAINn1

GAINn0

MUXn2

MUXn1

MUXn0

This register configures the power mode, PGA gain, and multiplexer settings channels. See the Input Multiplexer

section for details. CH[2:8]SET are similar to CH1SET, corresponding to the respective channels (refer to

Table 10).

Bit 7

PDn: Power-down (n = individual channel number)

This bit determines the channel power mode for the corresponding channel.

0 = Normal operation (default)

1 = Channel power-down

Bits[6:4]

GAINn[2:0]: PGA gain (n = individual channel number)

These bits determine the PGA gain setting.

000 = Do not use

001 = 1 (default)

010 = 2

011 = Do not use

100 = 4

101 = 8

110 = 12

111 = Do not use

Bit 3

Must be set to '0'

Bits[2:0]

MUXn[2:0]: Channel input (n = individual channel number)

These bits determine the channel input selection.

000 = Normal input (default)

001 = Input shorted (for offset or noise measurements)

010 = Do not use

011 = MVDD for supply measurement

100 = Temperature sensor

101 = Test signal

110 = Do not use

111 = Do not use

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