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
I
2
C Interface ..................................................................................... 12
Operation ......................................................................................... 13
Programming the Variable Resistor ......................................... 13
I
2
C 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 I
DD
Parameters, Table 1 ................................................ 3
Changes to I
DD
Parameters, Table 2 ................................................ 4
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
