Datasheet

AD5303/AD5313/AD5323
Rev. B | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AC Characteristics........................................................................ 6
Timing Characteristics ................................................................ 6
Absolute Maximum Ratings............................................................ 8
ESD Caution.................................................................................. 8
Pin Configuration and Function Descriptions............................. 9
Terminology .................................................................................... 10
Typical Performance Characteristics ........................................... 11
Functional Description .................................................................. 15
Digital-to-Analog ....................................................................... 15
Resistor String............................................................................. 15
DAC Reference Inputs ............................................................... 15
Output Amplifier........................................................................ 15
Power-On Reset .............................................................................. 16
Clear Function (
CLR
) ................................................................ 16
Serial Interface ................................................................................ 17
Input Shift Register .................................................................... 17
Low Power Serial Interface ....................................................... 17
Double-Buffered Interface ........................................................ 17
Power-Down Modes ...................................................................... 19
Microprocesser Interfacing ........................................................... 20
AD5303/AD5313/AD5323 to ADSP-2101 Interface............. 20
AD5303/AD5313/AD5323 to 68HC11/68L11 Interface ...... 20
AD5303/AD5313/AD5323 to 80C51/80L51 Interface.......... 20
AD5303/AD5313/AD5323 to MICROWIRE Interface ........ 20
Applications Information .............................................................. 21
Typical Application Circuit....................................................... 21
Bipolar Operation Using the AD5303/AD5313/AD5323..... 21
Opto-Isolated Interface for Process Control Applications ... 22
Decoding Multiple AD5303/AD5313/AD5323s.................... 22
AD5303/AD5313/AD5323 as a Digitally Programmable
Window Detector....................................................................... 22
Coarse and Fine Adjustment Using the
AD5303/AD5313/AD5323 ....................................................... 23
Daisy-Chain Mode..................................................................... 23
Power Supply Bypassing and Grounding................................ 24
Outline Dimensions....................................................................... 25
Ordering Guide .......................................................................... 25
REVISION HISTORY
6/07—Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Table 4............................................................................ 8
Changes to the Ordering Guide.................................................... 25
8/03—Rev. 0 to Rev. A
Added A Version.................................................................Universal
Changes to Features.......................................................................... 1
Changes to Specifications................................................................ 2
Changes to Absolute Maximum Ratings....................................... 5
Changes to Ordering Guide ............................................................ 5
Updated Outline Dimensions....................................................... 18
4/99—Revision 0: Initial Version