Datasheet

AD5629R/AD5669R Data Sheet
Rev. B | 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
I
2
C Timing Characteristics .......................................................... 7
Absolute Maximum Ratings ............................................................ 9
ESD Caution .................................................................................. 9
Pin Configuration and Function Descriptions ........................... 10
Typical Performance Characteristics ........................................... 12
Terminology .................................................................................... 19
Theory of Operation ...................................................................... 21
Digital-to-Analog Converter (DAC) Section ......................... 21
Resistor String ............................................................................. 21
Internal Reference ...................................................................... 21
Output Amplifier ........................................................................ 22
Serial Interface ............................................................................ 22
Write Operation.......................................................................... 22
Read Operation........................................................................... 22
Input Shift Register .................................................................... 23
Multiple Byte Operation ............................................................ 23
Internal Reference Register ....................................................... 24
Power-On Reset .......................................................................... 24
Power-Down Modes .................................................................. 25
Clear Code Register ................................................................... 25
LDAC
Function .......................................................................... 27
Power Supply Bypassing and Grounding ................................ 27
Outline Dimensions ....................................................................... 28
Ordering Guide .......................................................................... 30
REVISION HISTORY
2/13—Rev. A to Rev. B
Added 16-Ball WLCSP ....................................................... Universal
Changes to Features Section............................................................. 1
Added Figure 5, Renumbered Sequentially ................................. 10
Moved Table 6 .................................................................................. 11
Changes to Figure 25 and Figure 26 .............................................. 15
Added Figure 58 ............................................................................... 29
Changes to Ordering Guide ........................................................... 30
12/10—Rev. 0 to Rev. A
Changes to Features, General Description, and Product
Highlights Sections ........................................................................... 1
Changes to AD5629R Relative Accuracy Parameter, Reference
Output (1.25 V) Reference Input Range Parameter, and Reference
Output (2.5 V) Reference Input Range Parameter (Table 1) ...... 3
Changes to Relative Accuracy Parameter, Reference Tempco
Parameter (Table 2) ........................................................................... 5
Changes to Output Voltage Settling Time Parameter (Table 3) .. 6
Changes to Table 5 ............................................................................. 9
Changes to
CLR
Pin Description (Table 6) ................................. 10
Added Figure 32 and Figure 33 .................................................... 15
Added Figure 46 ............................................................................. 17
Changes to Internal Reference Section ........................................ 20
Changes to Power-On Reset Section ........................................... 23
Changes to Clear Code Register Section ..................................... 24
Updated Outline Dimensions ....................................................... 27
Changes to Ordering Guide .......................................................... 28
10/10—Revision 0: Initial Version