Datasheet

AD5624R/AD5644R/AD5664R Data Sheet
Rev. C | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
AD5624R-5/AD5644R-5/AD5664R-5 ...................................... 3
AD5624R-3/AD5644R-3/AD5664R-3 ...................................... 4
AC Characteristics ........................................................................ 6
Timing Characteristics ................................................................ 7
Timing Diagram ........................................................................... 7
Absolute Maximum Ratings ............................................................ 8
ESD Caution .................................................................................. 8
Pin Configurations 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 ........................................................... 23
Microprocessor Interfacing ....................................................... 24
Applications Information .............................................................. 25
Using a Reference as a Power Supply for the
AD5624R/AD5644R/AD5664R ............................................... 25
Bipolar Operation Using the AD5624R/AD5644R/AD5664R
....................................................................................................... 25
Using AD5624R/AD5644R/AD5664R with a Galvanically
Isolated Interface ........................................................................ 25
Power Supply Bypassing and Grounding ................................ 26
Outline Dimensions ....................................................................... 27
Ordering Guide .......................................................................... 28
REVISION HISTORY
4/13—Rev. B to Rev. C
Added 12-Ball WLCSP ...................................................... Universal
Changes to Features and Product Highlights Sections ................ 1
Change to Reference TC Parameter, Table 2 ................................. 3
Added Thermal Impedance, WLCSP Package (4-Layer Board),
θ
JA
Parameter, Table 6 ....................................................................... 8
Added Figure 4; Renumbered Sequentially .................................. 9
Changes to Figure 3 Caption and Table 7...................................... 9
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 28
4/08—Rev. A to Rev. B
Changes to Figure 50...................................................................... 20
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 28
11/06—Rev. 0 to Rev. A
Changes to Reference Output Parameter in Table 2 ..................... 3
Changes to Reference Output Parameter in Table 3 ..................... 5
Added Note to Figure 3 .................................................................... 9
4/06—Revision 0: Initial Version