AD5305/AD5315/AD5325
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AC Characteristics........................................................................ 5
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 13
Functional Description.................................................................. 15
Digital-to-Analog Section ......................................................... 15
Resistor String............................................................................. 15
DAC Reference Inputs ............................................................... 15
Output Amplifier........................................................................ 15
Power-On Reset.......................................................................... 15
Serial Interface ............................................................................ 16
Read/Write Sequence................................................................. 16
Pointer Byte Bits ......................................................................... 16
Input Shift Register .................................................................... 16
Default Readback Condition .................................................... 17
Multiple-DAC Write Sequence................................................. 17
Multiple-DAC Readback Sequence ......................................... 17
Write Operation.......................................................................... 17
Read Operation........................................................................... 17
Double-Buffered Interface ........................................................ 18
Power-Down Modes .................................................................. 18
Applications..................................................................................... 20
Typical Application Circuit....................................................... 20
Bipolar Operation....................................................................... 20
Multiple Devices on One Bus ................................................... 20
AD5305/AD5315/AD5325 as a Digitally Programmable
Window Detector....................................................................... 21
Coarse and Fine Adjustment Using the
AD5305/AD5315/AD5325 ....................................................... 21
Power Supply Decoupling ......................................................... 21
Outline Dimensions....................................................................... 23
Ordering Guide .......................................................................... 23
REVISION HISTORY
Added Octals Section to Table II.................................................. 18
Updated Outline Dimensions....................................................... 19
5/06—Rev. F to Rev. G
Updated Format..................................................................Universal
Changes to Ordering Guide .......................................................... 24
4/01—Rev. C to Rev. D
Edit to Features Section ....................................................................1
Edit to Figure 6 ..................................................................................1
Edits to Right/Left and Double Sections
10/04—Rev. E to Rev. F
Changes to Figure 6........................................................................ 11
Changes to Pointer Byte Bits Section........................................... 12
Changes to Figure 7........................................................................ 12
of Pointer Byte Bits Section........................................................... 11
Edit to Input Shift Register Section.............................................. 12
Edit to Multiple-DAC Readback Sequence Section................... 12
Edits to Figure 7.............................................................................. 12
Edits to Write Operation section.................................................. 13
Edits to Figure 8.............................................................................. 13
Edits to Read Operation section................................................... 14
Edits to Figure 9.............................................................................. 14
Edits to Power-Down Modes section .......................................... 15
Edits to Figure 12............................................................................ 16
8/03—Rev. D to Rev. E
Added A Version.................................................................Universal
Changes to Features.......................................................................... 1
Changes to Specifications................................................................ 2
Changes to Absolute Maximum Ratings....................................... 5
Changes to Ordering Guide ............................................................ 5
Changes to TPC 21......................................................................... 10
Rev. G | Page 2 of 24
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