Datasheet

AD7873 Data Sheet
Rev. F | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Terminology ...................................................................................... 8
Typical Performance Characteristics ............................................. 9
Circuit Information ........................................................................ 13
ADC Transfer Function ............................................................. 13
Typical Connection Diagram ................................................... 13
Analog Input ............................................................................... 14
Measurements ............................................................................. 16
Pen Interrupt Request ................................................................ 18
Control Register ......................................................................... 19
Power vs. Throughput Rate ....................................................... 20
Serial Interface ............................................................................ 21
Grounding and Layout .................................................................. 23
PCB Design Guidelines for Chip Scale Package .................... 23
Outline Dimensions ....................................................................... 24
Ordering Guide .......................................................................... 25
REVISION HISTORY
2/13—Rev. E to Rev. F
Changes to General Description Section ...................................... 1
Added EPAD Note to Figure 3 and Table 5 ................................... 7
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 26
9/06—Rev. D to Rev. E
Changes to Figure 13 Caption ...................................................... 10
Updated Outline Dimensions ....................................................... 24
Changes to Ordering Guide .......................................................... 25
6/04—Rev. C to Rev. D
Updated Format .................................................................. Universal
Changes to Absolute Maximum Ratings ....................................... 6
Additions to PD0 and PD1 Description ...................................... 21
PBC Guidelines for Chip Scale Package Added ......................... 23
Additions to Ordering Guide ........................................................ 25
4/03—Rev. B to Rev. C
Changes to Formatting ...................................................... Universal
Updated Outline Dimensions ....................................................... 19
1/02—Rev. A to Rev. B
Addition of 16-Lead Lead Frame Chip Scale Package .. Universal
Edits to Features ................................................................................. 1
Edits to General Description ........................................................... 1
Addition of LFCSP Pin Configuration ........................................... 4
Edit to Absolute Maximum Ratings ................................................ 4
Addition to Ordering Guide ............................................................ 4
Addition of CP-16 Outline Dimensions .................................... 19
2/01—Rev. 0 to Rev A
Edits to Notes in the Ordering Guide