AD5243 AD [Analog Devices], AD5243 Datasheet - Page 2

• Manufacturer Part Number: AD5243
• Description: Dual 256-Position I2C Compatible Digital Potentiometer
• Manufacturer: AD [Analog Devices]

AD5243/AD5248
TABLE OF CONTENTS
Electrical Characteristics—2.5 kΩ Version ................................... 3
Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions ....... 4
Timing Characteristics—All Versions ........................................... 5
Absolute Maximum Ratings............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Test Circuits..................................................................................... 12
Theory of Operation ...................................................................... 13
REVISION HISTORY
Revision 0: Initial Version
ESD Caution.................................................................................. 6
Programming the Variable Resistor and Voltage.................... 13
Programming the Potentiometer Divider ............................... 14
Rev. 0 | Page 2 of 20
I
Outline Dimensions ....................................................................... 19
2
C Interface .................................................................................... 16
ESD Protection ........................................................................... 14
Terminal Voltage Operating Range.......................................... 14
Power-Up Sequence ................................................................... 14
Layout and Power Supply Bypassing ....................................... 14
Constant Bias to Retain Resistance Setting............................. 15
Evaluation Board ........................................................................ 15
I
Ordering Guide .......................................................................... 19
2
C Compatible 2-Wire Serial Bus ........................................... 16