AD5124BCPZ100-RL7 datasheet(29/36 Pages) AD

Part #	AD5124BCPZ100-RL7

Description	The AD5124/AD5144/AD5144A potentiometers provide a nonvolatile solution for 128-/256-position adjustment applications, offering guaranteed low resistor tolerance errors of 짹8% and up to 짹6 mA current density in the Ax, Bx, and Wx pins.

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29 / 36 page

Data Sheet

AD5124/AD5144/AD5144A

Rev. A | Page 29 of 36

Table 20. Advance Commands Operation Truth Table

Command

Number

Control

Bits[DB15:DB12]

Address

Bits[DB11:DB8]1

Data Bits[DB7:DB0]1

C3

C2

C1

C0

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Operation

0

X

NOP: do nothing

1

0

1

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Write contents of serial

register data to RDAC

2

0

1

0

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Write contents of serial

register data to input

register

3

0

1

X

A2

A1

A0

X

D1

D0

Read back contents

D1

D0

Data

0

Input register

0

1

EEPROM

1

0

Control

register

1

RDAC

4

0

1

0

A3

A2

A1

A0

X

1

Linear RDAC increment

5

0

1

0

A3

A2

A1

A0

X

0

Linear RDAC decrement

6

0

1

0

1

A3

A2

A1

A0

X

1

+6 dB RDAC increment

7

0

1

0

1

A3

A2

A1

A0

X

0

−6 dB RDAC decrement

8

0

1

0

A3

A2

A1

A0

X

Copy input register to RDAC

(software LRDAC)

9

0

1

0

A1

A0

X

1

Copy RDAC register to

EEPROM

10

0

1

0

A1

A0

X

0

Copy EEPROM into RDAC

11

1

0

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Write contents of serial

register data to EEPROM

12

1

0

1

A3

A2

A1

A0

1

X

D0

Top scale

D0 = 0; normal mode

D0 = 1; shutdown mode

13

1

0

1

A3

A2

A1

A0

0

X

D0

Bottom scale

D0 = 1; enter

D0 = 0; exit

14

1

0

1

X

Software reset

15

1

0

A3

A2

A1

A0

X

D0

Software shutdown

D0 = 0; normal mode

D0 = 1; device placed in

shutdown mode

16

1

0

1

X

D3

D2

D1

D0

Copy serial register data to

control register

1

X = don’t care.

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AD5124BCPZ100-RL7 Datasheet(PDF) 29 Page - Analog Devices

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