AD5421CREZ-RL7 데이터 시트보기 (PDF) - Analog Devices

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AD5421CREZ-RL7

16-Bit, Serial Input, Loop-Powered, 4 mA to 20 mA DAC

Analog Devices 

AD5421

Data Sheet

OFFSET ADJUST REGISTER

The offset adjust register is a read/write register and is addressed as described in Table 12. A write command to the offset register must be

followed by a write to the data register for the contents of the offset register to take effect.

Table 21. Offset Adjust Register Bit Map

MSB

LSB

D15 D14 D13 D12 D11 D10 D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

16-bit offset adjust data

Table 22. Offset Adjust Register Adjustment Range

Offset Adjust Register Data

65535

65534

…

32769

32768 (default)

32767

…

1

0

Digital Offset Adjustment (LSBs)

+32767

+32766

…

+1

0

−1

…

−32767

−32768

GAIN ADJUST REGISTER

The gain adjust register is a read/write register and is addressed as described in Table 12. A write command to the gain register must be

followed by a write to the data register for the contents of the gain register to take effect.

Table 23. Gain Adjust Register Bit Map

MSB

LSB

D15 D14 D13 D12 D11 D10 D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

16-bit gain adjust data

Table 24. Gain Adjust Register Adjustment Range

Gain Adjust Register Data

65535 (default)

65534

…

32769

32768

32767

…

1

0

Digital Gain Adjustment at Full-Scale Output (LSBs)

0

−1

…

−32767

−32768

−32769

…

−65534

−65535

Rev. H | Page 30 of 36

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