ADS1282IPW datasheet(35/52 Pages) TI

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SCLK

DIN

CommandByte1

CommandByte2

DOUT

Don'tCare

RegisterData5

RegisterData6

10 11 12 13

15 16

25 26

19 20 21

Example:Readsixregisters,startingatregister05h(OFC0)

CommandByte1=00100101

CommandByte2=00000101

DLY

10 11 12 13 14 15

19 20 21 22 23 24

SCLK

DIN

CommandByte1

CommandByte2

RegisterData5

RegisterData6

Example:Writesixregisters,startingatregister05h(OFC0)

CommandByte1=01000101

CommandByte2=00000101

DLY

ADS1282

www.ti.com ........................................................................................................................................ SBAS418E – SEPTEMBER 2007 – REVISED OCTOBER 2008

OFSCAL: Offset Calibration

GANCAL: Gain Calibration

Description: This command performs an offset

Description:

This

command

performs

gain

calibration. The inputs to the converter (or the inputs

calibration. The inputs to the converter should have a

to the external pre-amplifier) should be zeroed and

stable dc input (typically full-scale, but not to exceed

allowed to stabilize before sending this command.

103% full-scale). The gain calibration register updates

The offset calibration register updates after this

after this operation. See the Calibration Commands

operation. See the Calibration Commands section for

section for more details.

more details.

Figure 68. Read Register Data (Table 20 shows tDLY)

Figure 69. Write Register Data (Table 20 shows tDLY)

Table 20. tDRY Value

PARAMETER

MIN

tDLY

24/fCLK

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