ADS1291

ADS1292

ADS1292R

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SBAS502A – DECEMBER 2011 – REVISED MARCH 2012

REVISION HISTORY

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Original (December 2011) to Revision A

Page

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Changed device graphic ....................................................................................................................................................... 1

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Changed device status from Mixed Status to Production Data ............................................................................................ 1

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Changed second Features bullet .......................................................................................................................................... 1

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Updated Family and Ordering Information table ................................................................................................................... 2

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Moved ADS1292R to production status ................................................................................................................................ 2

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Deleted footnote 2 from Family and Ordering Information table .......................................................................................... 2

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Changed values of AVDD to AVSS and DVDD to DGND rows in Absolute Maximum Ratings table .................................. 2

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Changed Operating temperature range parameter in Absolute Maximum Ratings table ..................................................... 2

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Changed DC Channel Performance, INL parameter test conditions in Electrical Characteristics table .............................. 3

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Changed AC Channel Performance, SNR and THD parameters test conditions in Electrical Characteristics table ........... 3

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Added third Channel Performance, THD parameter row to Electrical Characteristics table ................................................ 3

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Added Digital Filter section to Electrical Characteristics table .............................................................................................. 4

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Deleted Right Leg Drive Amplifier, Quiescent power consumption parameter test condition from Electrical

Characteristics table ............................................................................................................................................................. 4

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Changed Respiration, Impedance measurement noise parameter test conditions in Electrical Characteristics table ......... 4

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Changed Respiration, Maximum modulator current parameter in Electrical Characteristics table ...................................... 4

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Changed Power-Supply Requirements, Digital supply parameter in Electrical Characteristics table .................................. 5

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•

Changed 3-V Power Dissipation, Quiescent power dissipation, per channel parameter typical specifications in

Electrical Characteristics table .............................................................................................................................................. 6

•

•

Updated Figure 5 ................................................................................................................................................................ 13

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Updated Figure 9 and Figure 12 ......................................................................................................................................... 14

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•

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Changed description of CHnSET setting in Supply Measurements (MVDDP, MVDDN) section ....................................... 19

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Changed second paragraph of PGA Settings and Input Range section ............................................................................ 21

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Changed description of PD_REFBUF bit in the Reference section ................................................................................... 25

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Updated second column title in Table 9 ............................................................................................................................. 26

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Updated Figure 41 .............................................................................................................................................................. 33

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Updated description of DOUT and DRDY in RDATAC: Read Data Continuous section ................................................... 35

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Updated RLD_STAT in address 08h of Table 14 ............................................................................................................... 38

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Changed description of bit 1 in CONFIG2: Configuration Register 2 ................................................................................. 40

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Changed descriptions of bits[3:0] in CH2SET: Channel 2 Settings .................................................................................... 43

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Updated Figure 54 .............................................................................................................................................................. 56

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Added description of Figure 55, Figure 55, and Table 16 to Internal Respiration Circuitry with External Clock

(ADS1292R) section ........................................................................................................................................................... 57

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Added ADS1292R Application section ............................................................................................................................... 57

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Updated Figure 58 and Figure 59 ....................................................................................................................................... 58

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Updated Figure 60 and added footnote 1 ........................................................................................................................... 59

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Updated Figure 61 and added footnote 1 ........................................................................................................................... 60

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