AD5262BRUZ200 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5262BRUZ200

1-/2-Channel 15 V Digital Potentiometer

Analog Devices 

AD5260/AD5262

TABLE OF CONTENTS

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

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

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

Functional Block Diagrams............................................................. 1

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

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

Electrical Characteristics—20 kΩ, 50 kΩ, 200 kΩ Versions .. 3

Timing Diagrams.......................................................................... 5

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

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

Pin Configurations and Function Descriptions ........................... 7

Typical Performance Characteristics ............................................. 9

Test Circuits..................................................................................... 14

Theory of Operation ...................................................................... 15

Digital Interfacing ...................................................................... 15

Daisy-Chain Operation ............................................................. 16

RDAC Structure.......................................................................... 16

Programming the Variable Resistor......................................... 16

Programming the Potentiometer Divider ............................... 17

REVISION HISTORY

8/10—Rev. 0 to Rev. A

Updated Format..................................................................Universal

Deleted Figure 1; Renumbered Sequentially................................. 1

Changes to General Description Section ...................................... 1

Changes to Conditions of Channel Resistance Matching

(AD5262 only) Parameter, Voltage Divider Temperature

Coefficient Parameter, Full-Scale Error Parameter, and Zero-

Scale Error Parameter, Table 1 ........................................................ 3

Changes to Table 2 and Table 3....................................................... 5

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

Changes to Table 5............................................................................ 7

Changes to Table 6............................................................................ 8

Layout and Power Supply Bypassing ....................................... 18

Terminal Voltage Operating Range ......................................... 18

Power-Up Sequence ................................................................... 18

RDAC Circuit Simulation Model............................................. 18

Macro Model Net List for RDAC ............................................. 18

Applications Information .............................................................. 19

Bipolar DC or AC Operation from Dual Supplies................. 19

Gain Control Compensation .................................................... 19

Programmable Voltage Reference ............................................ 19

8-Bit Bipolar DAC ...................................................................... 19

Bipolar Programmable Gain Amplifier................................... 20

Programmable Voltage Source with Boosted Output ........... 20

Programmable 4 mA-to-20 mA Current Source ................... 20

Programmable Bidirectional Current Source......................... 21

Programmable Low-Pass Filter ................................................ 21

Programmable Oscillator .......................................................... 21

Resistance Scaling ...................................................................... 22

Outline Dimensions ....................................................................... 23

Ordering Guide .......................................................................... 24

Changes to Figure 11 Caption and Figure 12 ................................9

Changes to Figure 31...................................................................... 12

Changes to Figure 35 Caption ...................................................... 13

Changes to Figure 43 and Figure 46............................................. 14

Deleted Potentiometer Family Selection Guide ......................... 18

Change to Programmable Voltage Source with Boosted Output

Section.............................................................................................. 20

Changes to Figure 64...................................................................... 21

Updated Outline Dimensions....................................................... 23

Changes to Ordering Guide .......................................................... 24

3/02—Revision 0: Initial Version

Rev. A | Page 2 of 24

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