AD5160

Rev. B | Page 2 of

16

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

Pin Configuration............................................................................. 1

 

General Description ......................................................................... 1

 

Revision History ............................................................................... 2

 

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

 

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

 

10 kΩ, 50 kΩ, 100 kΩ Versions .................................................. 4

 

Timing Characteristics—All Versions ....................................... 5

 

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

 

ESD Caution.................................................................................. 6

 

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

 

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

 

Test Circuits..................................................................................... 12

 

SPI Interface .................................................................................... 13

 

Theory of Operation ...................................................................... 14

 

Programming the Variable Resistor......................................... 14

 

Programming the Potentiometer Divider............................... 15

 

SPI-Compatible 3-Wire Serial Bus........................................... 15

 

ESD Protection ........................................................................... 15

 

Power-Up Sequence ................................................................... 15

 

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

 

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

 

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

 

REVISION HISTORY

5/09—Rev. A to Rev. B

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

1/09—Rev. 0 to Rev. A

Deleted Shutdown Supply Current Parameter and

Endnote 7, Table 1 ............................................................................ 3

Changes to Resistor Noise Voltage Density Parameter,

Table 1 ................................................................................................ 3

Deleted Shutdown Supply Current Parameter and

Endnote 7, Table 2 ............................................................................ 4

Changes to Resistor Noise Voltage Density Parameter,

Table 2 ................................................................................................ 4

Added Endnote to Table 3 ............................................................... 5

Changes to Table 4............................................................................ 6

Changes to the Rheostat Operation Section ............................... 14

Deleted Terminal Voltage Operating Range Section and

Figure 41, Renumbered Figures Sequentially ............................. 13

Changes to Figure 40 and Figure 41............................................. 15

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

5/03—Revision 0: Initial Version