AD7788/AD7789 Data Sheet
Rev. C | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Interface ............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
AD7789 .......................................................................................... 3
AD7788 .......................................................................................... 4
AD7788/AD7789 .......................................................................... 5
Timing Characteristics ................................................................ 6
Timing Diagrams .......................................................................... 7
Absolute Maximum Ratings ............................................................ 8
ESD Caution .................................................................................. 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 10
On-Chip Registers .......................................................................... 11
Communications Register ......................................................... 11
Status Register ............................................................................. 12
Mode Register ............................................................................. 13
Data Register ............................................................................... 13
ADC Circuit Information .............................................................. 14
Noise Performance ..................................................................... 14
Digital Interface .......................................................................... 14
Circuit Description......................................................................... 17
Analog Input Channel ............................................................... 17
Bipolar/Unipolar Configuration .............................................. 17
Data Output Coding .................................................................. 17
Reference Input ........................................................................... 17
V
DD
Monitor ................................................................................ 18
Grounding and Layout .............................................................. 18
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 19
REVISION HISTORY
4/16—Rev. B to Rev. C
Change to (RS1, RS0 = 0, 1; Power-On/Reset = 0x02) Section ....... 13
Updated Outline Dimensions ....................................................... 19
Changes to Ordering Guide .......................................................... 19
3/06—Rev. A to Rev. B
Changes to Ordering Guide .......................................................... 19
11/04—Rev. 0 to Rev. A
Updated Format .................................................................. Universal
Added Footnote 2 to Integral Nonlinearity A Grade ................... 4
Changes to Figure 5 .......................................................................... 9
Updated Outline Dimensions ....................................................... 19
Changes to Ordering Guide .......................................................... 19
8/03—Revision 0: Initial Version
