AD5263BRUZ200 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5263BRUZ200

Quad, 15 V, 256-Position, Digital Potentiometer with Pin-Selectable SPI/I2C

Analog Devices 

AD5263

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Characteristics—20 kΩ, 50 kΩ, 200 kΩ Versions .......... 5

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

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

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

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

Test Circuits..................................................................................... 13

SPI-Compatible Digital Interface (DIS = 0)................................ 15

Serial Data-Word Format .......................................................... 15

I2C-Compatible Digital Interface (DIS = 1) ................................ 16

I2C Write Mode Data-Word Format ........................................ 16

I2C Read Mode Data-Word Format ......................................... 16

Operation......................................................................................... 17

Programming the Variable Resistor......................................... 17

Programming the Potentiometer Divider Voltage Output

Operation..................................................................................... 18

Pin-Selectable Digital Interface ................................................ 18

SPI-Compatible 3-Wire Serial Bus (DIS = 0) ......................... 18

I2C-Compatible 2-Wire Serial Bus (DIS = 1).......................... 19

Additional Programmable Logic Output ................................ 20

REVISION HISTORY

11/06—Rev. 0 to Rev. A

Updated Format………………………………………Universal

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

Changes to Ordering Guide…………………………………..28

6/03—Revision 0: Initial Version

Self-Contained Shutdown Function ........................................ 20

Multiple Devices on One Bus ................................................... 20

Level Shift for Negative Voltage Operation ................................ 20

ESD Protection ........................................................................... 21

Terminal Voltage Operating Range ......................................... 21

Power-Up Sequence ................................................................... 21

VLOGIC Power Supply................................................................... 21

Layout and Power Supply Bypassing ....................................... 21

RDAC Circuit Simulation Model............................................. 22

Applications..................................................................................... 23

Bipolar DC or AC Operation from Dual Supplies................. 23

Gain Control Compensation .................................................... 23

Programmable Voltage Reference ............................................ 23

8-Bit Bipolar DAC ...................................................................... 24

Bipolar Programmable Gain Amplifier................................... 24

Programmable Voltage Source with Boosted Output ........... 24

Programmable 4 to 20 mA Current Source............................ 25

Programmable Bidirectional Current Source......................... 25

Programmable Low-Pass Filter ................................................ 26

Programmable Oscillator .......................................................... 26

Resistance Scaling ...................................................................... 27

Resistance Tolerance, Drift, and Temperature Coefficient

Mismatch Considerations ......................................................... 27

Outline Dimensions ....................................................................... 28

Ordering Guide .......................................................................... 28

Rev. A | Page 2 of 28

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