AD5307/AD5317/AD5327
TABLE OF CONTENTS
Features .............................................................................................. 1
Input Shift Register .................................................................... 17
Control Bits ................................................................................. 17
Low Power Serial Interface ....................................................... 18
Daisy Chaining ........................................................................... 18
Double-Buffered Interface ........................................................ 18
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
Transfer Function ........................................................................... 14
Functional Description.................................................................. 15
Digital-to-Analog Section ......................................................... 15
Resistor String............................................................................. 15
DAC Reference Inputs ............................................................... 15
Output Amplifier........................................................................ 16
Power-On Reset .......................................................................... 16
Serial Interface ................................................................................ 17
LDAC
Load DAC Input (
).......................................................... 18
Power-Down Mode.................................................................... 18
Microprocessor Interfacing....................................................... 19
Applications..................................................................................... 20
Typical Application Circuit ....................................................... 20
Driving VDD from the Reference Voltage ................................ 20
Bipolar Operation....................................................................... 20
Opto-Isolated Interface for Process-Control Applications... 21
Decoding Multiple AD5307/AD5317/AD5327 Devices....... 21
AD5307/AD5317/AD5327 as Digitally Programmable
Window Detectors ..................................................................... 21
Daisy Chaining ........................................................................... 22
Power Supply Bypassing and Grounding................................ 22
Outline Dimensions....................................................................... 24
Ordering Guide .......................................................................... 25
REVISION HISTORY
3/06—Rev. B to Rev. C
8/03—Rev. 0 to Rev. A
Changes to Table 3............................................................................ 5
Changes to Ordering Guide .......................................................... 25
Added A Version ................................................................Universal
Changes to Features ..........................................................................1
Changes to Specifications.................................................................2
Changes to Absolute Maximum Ratings........................................6
Changes to Ordering Guide.............................................................6
Changes to TPC 21......................................................................... 12
Added Octals section to Table II .................................................. 20
Updated Outline Dimensions....................................................... 21
10/05—Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Bipolar Operation Section ........................................ 21
Changes to Ordering Guide .......................................................... 25
Rev. C | Page 2 of 28