AD5302/AD5312/AD5322
TABLE OF CONTENTS
Features .............................................................................................. 1
Low Power Serial Interface ....................................................... 15
Double-Buffered Interface ........................................................ 15
Power-Down Modes ...................................................................... 16
Microprocessor Interfacing........................................................... 17
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AC Specifications.......................................................................... 4
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Terminology ...................................................................................... 9
Typical Performance Characteristics ........................................... 10
Functional Description.................................................................. 14
Digital-to-Analog Section ......................................................... 14
Resistor String............................................................................. 14
DAC Reference Inputs ............................................................... 14
Output Amplifier........................................................................ 14
Power-On Reset.......................................................................... 14
Serial Interface ................................................................................ 15
Input Shift Register..................................................................... 15
AD5302/AD5312/AD5322 to ADSP-2101/ADSP-2103
Interface....................................................................................... 17
AD5302/AD5312/AD5322 to 68HC11/68L11 Interface ...... 17
AD5302/AD5312/AD5322 to 80C51/80L51 Interface.......... 17
AD5302/AD5312/AD5322 to MICROWIRE Interface ........ 17
Applications Information.............................................................. 18
Typical Application Circuit....................................................... 18
Bipolar Operation Using the AD5302/AD5312/AD5322..... 18
Opto-Isolated Interface for Process Control Applications ... 19
Decoding Multiple AD5302/AD5312/AD5322s.................... 19
AD5302/AD5312/AD5322 as a Digitally Programmable
Window Detector....................................................................... 19
Coarse and Fine Adjustment Using the
AD5302/AD5312/AD5322 ....................................................... 20
Power Supply Bypassing and Grounding................................ 20
Outline Dimensions....................................................................... 21
Ordering Guide .......................................................................... 22
REVISION HISTORY
5/11—Rev. C to Rev. D
Updated Outline Dimensions....................................................... 21
Changes to Ordering Guide.......................................................... 21
Added Automotive Products Information................. Throughout
Updated Outline Dimensions....................................................... 21
Changes to Ordering Guide .......................................................... 22
8/03—Rev. 0 to Rev. A
Changes to Features ..........................................................................1
Changes to Specifications.................................................................2
Changes to Absolute Maximum Ratings........................................4
Changes to Ordering Guide.............................................................4
Updated Outline Dimensions....................................................... 16
4/06—Rev. B to Rev. C
Updated Format..................................................................Universal
Updated Outline Dimensions....................................................... 21
Changes to Ordering Guide .......................................................... 21
12/05—Rev. A to Rev. B
Updated Format..................................................................Universal
Rev. D | Page 2 of 24
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