ADS5294IPFPR datasheet(40/67 Pages) TI1

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ADS5294

SLAS776B – NOVEMBER 2011 – REVISED JULY 2012

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CHANNEL AVERAGING

ADDR.

D15

D14

D13

D12

D11

D10

NAME

(HEX)

EN_CHANNEL_AVG

AVG_CTRL4<1:0>

AVG_CTRL3<1:0>

AVG_CTRL2<1:0>

AVG_CTRL1<1:0>

AVG_CTRL8<1:0>

AVG_CTRL7<1:0>

AVG_CTRL6<1:0>

AVG_CTRL5<1:0>

In the default mode of operation, the LVDS outputs <8..1> contain the data of the ADC Channels <8..1>. By

setting the EN_CHANNEL_AVG bit to ‘1’, the outputs from multiple channels can be averaged. The resulting

outputs from the Channel averaging block (which is bypassed in the default mode) are referred to as Bins. The

contents of the Bins <8..1> come out on the LVDS outputs <8..1>. The contents of each of the 8 bins are

determined by the register bits marked AVG_CTRLn<1:0> where n stands for the Bin number. The different

settings are shown below:

AVG_CTRL1<1>

AVG_CTRL1<0>

Contents of Bin 1

Zero

ADC Channel 1

Average of ADC Channel 1, 2

Average of ADC Channel 1, 2, 3, 4

AVG_CTRL2<1>

AVG_CTRL2<0>

Contents of Bin 2

Zero

ADC Channel 2

ADC Channel 3

Average of ADC Channel 3, 4

AVG_CTRL3<1>

AVG_CTRL3<0>

Contents of Bin 3

Zero

ADC Channel 3

ADC Channel 2

Average of ADC Channel 1, 2

AVG_CTRL4<1>

AVG_CTRL4<0>

Contents of Bin 4

Zero

ADC Channel 4

Average of ADC Channel 3, 4

Average of ADC Channel 1, 2, 3, 4

AVG_CTRL5<1>

AVG_CTRL5<0>

Contents of Bin 5

Zero

ADC Channel 5

Average of ADC Channel 5, 6

Average of ADC Channel 5, 6, 7, 8

AVG_CTRL6<1>

AVG_CTRL6<0>

Contents of Bin 6

Zero

ADC Channel 6

ADC Channel 7

Average of ADC Channel 7, 8

AVG_CTRL7<1>

AVG_CTRL7<0>

Contents of Bin 7

Zero

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