AD5306/AD5316/AD5326
TABLE OF CONTENTS
Specifications..................................................................................... 3
AC Characteristics........................................................................ 5
Timing Characteristics ................................................................ 6
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Terminology ...................................................................................... 9
Typical Performance Characteristics ........................................... 11
Functional Description.................................................................. 15
Digital-to-Analog Section ......................................................... 15
Resistor String............................................................................. 15
DAC Reference Inputs ............................................................... 15
Output Amplifier........................................................................ 15
Power-On Reset .......................................................................... 16
Serial Interface ............................................................................ 16
Read/Write Sequence................................................................. 16
Pointer Byte Bits ......................................................................... 16
Input Shift Register..................................................................... 16
Default Readback Conditions................................................... 17
Multiple DAC Write Sequence ................................................. 17
Multiple DAC Readback Sequence .......................................... 17
Write Operation.......................................................................... 18
Read Operation........................................................................... 18
Double-Buffered Interface ........................................................ 19
LDAC
Load DAC Input
............................................................. 19
Power-Down Mode.................................................................... 19
Applications..................................................................................... 20
Typical Application Circuit ....................................................... 20
Driving VDD from the Reference Voltage ................................ 20
Bipolar Operation Using the AD5306/AD5316/AD5326..... 20
Multiple Devices on One Bus ................................................... 20
AD5306/AD5316/AD5326 as a Digitally Programmable
Window Detector....................................................................... 21
Coarse and Fine Adjustment Using the
AD5306/AD5316/AD5326 ....................................................... 21
Power Supply Decoupling ............................................................. 22
Outline Dimensions....................................................................... 24
Ordering Guide .......................................................................... 24
REVISION HISTORY
8/05—Rev. E to Rev. F
8/03—Rev. B to Rev. C
Replaced Figure 22 ......................................................................... 13
Changes to Bipolar Operation
Using the AD5306/AD5316/AD5326 Section........................ 20
Changes to Ordering Guide .......................................................... 24
Added A Version ................................................................Universal
Changes to FEATURES ....................................................................1
Changes to SPECIFICATIONS .......................................................2
Changes to ABSOLUTE MAXIMUM RATINGS.........................5
Edits to ORDERING GUIDE ..........................................................5
Changes to TPC 21......................................................................... 11
Added OCTALS section to Table I............................................... 18
Updated OUTLINE DIMENSIONS ............................................ 19
5/05—Rev. D to Rev. E
Changes to Table 1............................................................................ 3
11/04—Rev. C to Rev. D
Change to Figure 31 ....................................................................... 16
Changes to Pointer Byte Section................................................... 16
Change to Figure 32 ....................................................................... 17
4/01—Rev. A to Rev. B
Edit to Figure 6 ............................................................................... 13
Edits to RIGHT/LEFT section of Pointer Byte Bits section...... 13
Edits to Input Shift Register section ............................................ 13
Edits to Figure 7.............................................................................. 13
Edits to Figure 8.............................................................................. 14
Edits to Figure 9.............................................................................. 14
Edit to Figure 12 ............................................................................. 16
2/01—Rev. 0 to Rev. A
6/00—Revision 0: Initial Version
Rev. F | Page 2 of 24