AD7873BCP Analog Devices Inc, AD7873BCP Datasheet - Page 2

• Manufacturer Part Number: AD7873BCP
• Description: IC ADC 12BIT TOUCHSCREEN 16LFCSP
• Manufacturer: Analog Devices Inc
• Type: Resistiver

Specifications of AD7873BCP

• Rohs Status: RoHS non-compliant
• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Resolution (bits): 12 b
• Data Interface: Serial
• Data Rate/sampling Rate (sps, Bps): 125k
• Voltage Reference: External, Internal
• Voltage - Supply: 2.2 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-LFCSP
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 125k

AD7873
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Terminology ...................................................................................... 8
Typical Performance Characteristics ............................................. 9
REVISION HISTORY
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
Timing Specifications .................................................................. 5
Thermal Resistance ...................................................................... 6
ESD Caution.................................................................................. 6
Rev. E | Page 2 of 28
Circuit Information........................................................................ 13
Grounding and Layout .................................................................. 23
Outline Dimensions ....................................................................... 24
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
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
PCB Design Guidelines for Chip Scale Package .................... 23
Ordering Guide .......................................................................... 25