AD5161 Analog Devices, AD5161 Datasheet - Page 7

• Manufacturer Part Number: AD5161
• Description: 256-Position SPI/I2C Selectable Digital Potentiometer
• Manufacturer: Analog Devices

256 Position Digital Potentiometer
TABLE 2: AD5161 PIN Descriptions
Pin
1
2
3
4
5
6
7
8
9
10
REV PrB, 13 DEC’ 02
Name
A
B
CS/A0
SDO
SDI/SDA
CLK/SCL
GND
SPI/I
V
W
DD
2
C
Description
A Terminal
B Terminal
Chip Select Input, Active Low. When
CS returns high, data will be loaded
into the DAC register
/
Programmable address bit 0 for
multiple package decoding
Serial Clock Input, positive edge
triggered
Serial Data Input
/
Serial Data Input/Output
Serial Clock Input, positive edge
triggered
B Terminal
Digital Interface Select (SPI/I
Select); SPI when DIS=’0’, I
DIS=’1’
Positive Power Supply
W Terminal
Dimensions shown in inches and (millimeters)
OUTLINE DIMENSIONS
2
C when
2
C
- 7 -
PIN CONFIGURATION
1
2
3
4
5
A
B
CS/A0
SDO
SDI/
SDA
SPI/I
GND
CLK/
V
SCL
2
W
DD
C
AD5161
10
9
8
7
6