AD7846
TABLE OF CONTENTS
Features .............................................................................................. 1
Output Stage................................................................................ 12
Unipolar Binary Operation........................................................... 13
Bipolar Operation........................................................................... 14
Multiplying Operation............................................................... 14
Position Measurement Application.............................................. 15
Microprocessor Interfacing........................................................... 16
AD7846-to-8086 Interface........................................................ 16
AD7846-to-MC68000 Interface ............................................... 16
Digital Feedthrough....................................................................... 17
Application Hints ........................................................................... 18
Noise ............................................................................................ 18
Grounding................................................................................... 18
Printed Circuit Board Layout ................................................... 18
Outline Dimensions....................................................................... 20
Ordering Guide .......................................................................... 22
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AC Performance Characteristics................................................ 4
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Terminology .................................................................................... 10
Circuit Description......................................................................... 11
Digital Section............................................................................. 11
Digital-to-Analog Conversion.................................................. 11
REVISION HISTORY
4/10—Rev. F to Rev. G
Change to Figure 1 ........................................................................... 1
12/09—Rev. E to Rev. F
Updated Format..................................................................Universal
Changes to Table 4............................................................................ 6
Deleted Other Output Voltage Ranges Section ............................ 9
Deleted Figure 20 and Table 5; Renumbered Sequentially ......... 9
Deleted Test Application Section and Figure 21 ........................ 10
Deleted Figure 29 to Figure 31...................................................... 14
Changes to Printed Circuit Board Layout Section..................... 18
Updated Outline Dimensions....................................................... 20
Changes to Ordering Guide .......................................................... 22
Rev. G | Page 2 of 24
ADI [ ADI ]
