Datasheet

AD5623R/AD5643R/AD5663R Data Sheet
Rev. E | Page 2 of 32
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
AD5623R-5/AD5643R-5/AD5663R-5 ....................................... 3
AD5623R-3/AD5643R-3/AD5663R-3 ....................................... 5
AC Characteristics ........................................................................ 6
Timing Characteristics ................................................................ 7
Timing Diagram ........................................................................... 7
Absolute Maximum Ratings ............................................................ 8
ESD Caution .................................................................................. 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 18
Theory of Operation ...................................................................... 20
Digital-to-Analog Section ......................................................... 20
Resistor String ............................................................................. 20
Output Amplifier ........................................................................ 20
Internal Reference ...................................................................... 20
External Reference ..................................................................... 20
Serial Interface ............................................................................ 20
Input Shift Register .................................................................... 21
SYNC
Interrupt .......................................................................... 21
Power-On Reset .......................................................................... 22
Software Reset ............................................................................. 22
Power-Down Modes .................................................................. 22
LDAC
Function .......................................................................... 23
Internal Reference Setup ........................................................... 24
Microprocessor Interfacing ....................................................... 25
Applications Information .............................................................. 26
Using a Reference as a Power Supply ....................................... 26
Bipolar Operation Using the AD5663R .................................. 26
Using the AD5663R with a Galvanically Isolated Interface . 26
Power Supply Bypassing and Grounding ................................ 27
Outline Dimensions ....................................................................... 28
Ordering Guide .......................................................................... 29
REVISION HISTORY
4/12—Rev. D to Rev. C
Changes to Table 2 ............................................................................ 3
Updated Outline Dimensions ....................................................... 28
Changes to Ordering Guide .......................................................... 29
4/11—Rev. C to Rev. D
Changes to Ordering Guide .......................................................... 29
6/10—Rev. B to Rev. C
Changes to Ordering Guide .......................................................... 28
4/10—Rev. A to Rev. B
Updated Outline Dimensions ....................................................... 28
12/06—Rev. 0 to Rev. A
Changes to Table 2 ............................................................................. 3
Changes to Table 3 ............................................................................. 5
Changes to Figure 3 ........................................................................... 9
Changes to Ordering Guide .......................................................... 28
4/06—Revision 0: Initial Version