AD5ꢀ80/AD5ꢀ8ꢀ
TABLE OF CONTENTS
Features .............................................................................................. 1
Multiple Devices on One Bus ................................................... 17
Level Shift for Bidirectional Interface...................................... 18
Level Shift for Negative Voltage Operation ............................ 18
ESD Protection ........................................................................... 18
Terminal Voltage Operating Range ......................................... 18
Power-Up Sequence ................................................................... 18
Layout and Power Supply Bypassing ....................................... 19
Applications Information.............................................................. 20
Bipolar DC or AC Operation from Dual Supplies................. 20
Gain Control Compensation .................................................... 20
15 V, 8-Bit I2C DAC.................................................................... 20
8-Bit Bipolar DAC...................................................................... 21
Bipolar Programmable Gain Amplifier................................... 21
Programmable Voltage Source with Boosted Output ........... 21
Programmable Current Source ................................................ 22
Programmable Bidirectional Current Source......................... 22
Programmable Low-Pass Filter ................................................ 23
Programmable Oscillator .......................................................... 23
RDAC Circuit Simulation Model............................................. 24
Macro Model Net List for RDAC ............................................. 24
Outline Dimensions....................................................................... 25
Ordering Guide .......................................................................... 26
Applications....................................................................................... 1
General Description......................................................................... 1
Functional Block Diagrams............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics............................................................. 3
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution.................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
Test Circuits..................................................................................... 12
Theory of Operation ...................................................................... 14
Rheostat Operation .................................................................... 14
Potentiometer Operation........................................................... 14
Digital Interface .............................................................................. 16
2-Wire Serial Bus........................................................................ 16
Readback RDAC Value .............................................................. 17
Additional Programmable Logic Output ................................ 17
Self-Contained Shutdown Function and Programmable
Preset............................................................................................ 17
REVISION HISTORY
8/07—Rev. A to Rev. B
Updated Operating Temperature Range Throughout...................1
Changes to the Features Section.......................................................1
Changes to the General Description Section..................................1
Changes to Table 2..............................................................................3
Added the Thermal Resistance Section...........................................5
Changes to the Ordering Guide......................................................26
11/05—Rev. 0 to Rev. A
Updated Format...................................................................Universal
Updated Outline Dimensions.........................................................26
Changes to Ordering Guide ............................................................27
10/02—Revision 0: Initial Version
Rev. B | Page 2 of 28