AD7843ARUZ Analog Devices Inc, AD7843ARUZ Datasheet - Page 2

• Manufacturer Part Number: AD7843ARUZ
• Description: IC ADC 12BIT TOUCHSCREEN 16TSSOP
• Manufacturer: Analog Devices Inc
• Type: Resistiver

Specifications of AD7843ARUZ

• Resolution (bits): 12 b
• Data Interface: Serial
• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Data Rate/sampling Rate (sps, Bps): 125k
• Voltage Reference: External
• Voltage - Supply: 2.2 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 125k
• Sampling Rate: 125kSPS
• Supply Current: 240µA
• Digital Ic Case Style: TSSOP
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7843EBZ - BOARD EVAL FOR AD7843
• Lead Free Status / Rohs Status: Compliant

AD7843
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configuration and Function Descriptions............................. 6
Terminology ...................................................................................... 7
Typical Performance Characteristics ............................................. 8
Circuit Information ........................................................................ 11
REVISION HISTORY
3/04—Data Sheet Changed from Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Absolute Maximum Ratings ....................................... 5
Addition to the PD0 and PD1 Section......................................... 14
Additions to Ordering Guide........................................................ 20
3/03—Data Sheet Changed from Rev. 0 to Rev. A
Updated Outline Dimensions ....................................................... 16
Timing Specifications .................................................................. 4
ESD Caution.................................................................................. 5
ADC Transfer Function............................................................. 11
Typical Connection Diagram ................................................... 11
Rev. B | Page 2 of 20
Outline Dimensions ....................................................................... 20
Analog Input ............................................................................... 12
Control Register ......................................................................... 14
Power vs. Throughput Rate....................................................... 15
Serial Interface ............................................................................ 16
Detailed Serial Interface Timing .............................................. 17
Pen Interrupt Request................................................................ 19
Grounding and Layout .............................................................. 19
Ordering Guide .......................................................................... 20