EVAL-AD5142DBZ View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

EVAL-AD5142DBZ

Dual Channel, 128-/256-Position, SPI, Nonvolatile Digital Potentiometer

Analog Devices

'EVAL-AD5142DBZ' PDF : 32 Pages View PDF

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AD5122/AD5142
Table 17. Address Bits
A3 A2 A1 A0
1
X1
X1
X1
0000
0100
0001
0101
0010
0011
1 X means don’t care.
Potentiometer Mode
Input Register
RDAC Register
All channels
All channels
RDAC1
RDAC1
Not applicable
Not applicable
RDAC2
RDAC2
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Linear Gain Setting Mode
Input Register
RDAC Register
All channels
All channels
RWB1
RAW1
RWB2
RAW2
Not applicable
RWB1
RAW1
RWB2
RAW2
Not applicable
Not applicable
Not applicable
Table 18. Control Register Bit Descriptions
Bit Name
Description
D0
RDAC register write protect
0 = wiper position frozen to value in EEPROM memory
1 = allows update of wiper position through digital interface (default)
D1
EEPROM program enable
0 = EEPROM program disabled
1 = enables device for EEPROM program (default)
D2
Lineal setting mode/potentiometer mode
0 = potentiometer mode (default)
1 = linear gain setting mode
Data Sheet
Stored Channel
Memory
Not applicable
RDAC1/RWB1
Not applicable
RAW1
Not applicable
RDAC2/RWB2
RAW2
Rev. C | Page 26 of 32

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