Datasheet

AD5628/AD5648/AD5668 Data Sheet
Rev. G | 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
AC Characteristics ........................................................................ 6
Timing Characteristics ................................................................ 7
Absolute Maximum Ratings ............................................................ 8
ESD Caution .................................................................................. 8
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 11
Terminology .................................................................................... 19
Theory of Operation ...................................................................... 21
D/A Section ................................................................................. 21
Resistor String ............................................................................. 21
Internal Reference ...................................................................... 21
Output Amplifier ........................................................................ 22
Serial Interface ............................................................................ 22
Input Shift Register .................................................................... 23
SYNC
Interrupt .......................................................................... 23
Internal Reference Register ....................................................... 24
Power-On Reset .......................................................................... 24
Power-Down Modes .................................................................. 24
Clear Code Register ................................................................... 24
LDAC
Function .......................................................................... 26
Power Supply Bypassing and Grounding ................................ 26
Outline Dimensions ....................................................................... 27
Ordering Guide .......................................................................... 29
REVISION HISTORY
1/13—Rev. F to Rev. G
Added WLCSP Reference TC of 15 ppm/°C, Table 2 .................. 5
Changes to Ordering Guide .......................................................... 29
8/11—Rev. E to Rev. F
Added 16-Lead WLCSP ..................................................... Universal
Added Figure 6 and Table 7; Renumbered Sequentially ........... 10
Changes to Figure 32 and Figure 33 ............................................. 15
Updated Outline Dimensions ....................................................... 26
Changes to Ordering Guide .......................................................... 28
1/11—Rev. D to Rev. E
Changes to AD5628 Relative Accuracy, Zero-Code Error, Offset
Error, and Reference TC Parameters, Table 1 ............................... 3
Changes to AD5628 Relative Accuracy, Zero-Code Error, Offset
Error, and Reference TC Parameters, Table 2 ............................... 5
Changes to Output Voltage Settling Time, Table 3 ...................... 6
Added Figure 53; Renumbered Sequentially .............................. 17
Change to Output Amplifier Section ........................................... 21
Changes to Ordering Guide .......................................................... 28
9/10—Rev. C to Rev. D
Change to Title .................................................................................. 1
Added 16-Lead LFCSP Throughout ................................ Universal
Changes to Table 1 ............................................................................ 3
Changes to Table 2 ............................................................................. 5
Changes to Table 3 ............................................................................. 6
Changes to Table 4 ............................................................................. 7
Deleted SnPb from Table 5 ............................................................... 8
Added Figure 5; Renumbered Sequentially ................................... 9
Changes to Table 6 ............................................................................. 9
Replaced Typical Performance Characteristics Section ............ 10
Changes to Power-On Reset Section ........................................... 23
Updated Outline Dimensions ....................................................... 26
Changes to Ordering Guide .......................................................... 28
1/10—Rev. B to Rev. C
Changes to Figure 3 ........................................................................ 10
Changes to Ordering Guide .......................................................... 28
2/09—Rev. A to Rev. B
Changes to Reference Current Parameter, Table 1 ........................ 3
Changes to I
DD
(Normal Mode) Parameter, Table 1 ...................... 4
Changes to Reference Current Parameter, Table 2 ........................ 5
Changes to I
DD
(Normal Mode) Parameter, Table 2 ...................... 6
11/05—Rev. 0 to Rev. A
Change to Specifications .................................................................. 3
10/05—Revision 0: Initial Version