AD5246

Data Sheet

Rev. C | Page 2 of 16

TABLE OF CONTENTS

Specifications..................................................................................... 3

Electrical Characteristics—5 kΩ Version.................................. 3

Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 4

Timing Characteristics ................................................................ 5

Absolute Maximum Ratings............................................................ 6

ESD CAUTION ............................................................................ 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Test Circuits..................................................................................... 11

I2C Interface..................................................................................... 12

Operation......................................................................................... 13

Programming the Variable Resistor......................................... 13

I2C Compatible 2-Wire Serial Bus ........................................... 13

Level Shifting for Bidirectional Interface................................ 14

ESD Protection ........................................................................... 14

Terminal Voltage Operating Range ......................................... 14

Maximum Operating Current .................................................. 14

Power-Up Sequence ................................................................... 14

Layout and Power Supply Bypassing ....................................... 15

Constant Bias to Retain Resistance Setting............................. 15

Outline Dimensions....................................................................... 16

Ordering Guide .......................................................................... 16

REVISION HISTORY

5/12—Rev. B to Rev. C

Changes to Features and General Description Sections.............. 1

Changes to Figure 10........................................................................ 9

Removed Evaluation Board Section............................................. 15

Changes to Ordering Guide .......................................................... 16

8/09—Rev. A to Rev. B

Changes to Power Supply Sensitivity Parameter ..........................3

Updated Outline Dimensions........................................................16

Changes to Ordering Guide...........................................................16

7/05—Rev. 0 to Rev. A

Changes to Table 1 ............................................................................3

Changes to Table 2 ............................................................................4

Changes to Absolute Maximum Ratings .......................................6

Moved Pin Configuration and Function Descriptions ................7

Deleted Table 7 ................................................................................12

Changes to Operation Section.......................................................13

Deleted Figure 31.............................................................................14

Changes to Figure 30 and Figure 32 .............................................14

9/03—Revision 0: Initial Version