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AR1021

Microchip
Part Number AR1021
Manufacturer Microchip
Description Resistive Touch Screen Controller
Published May 14, 2018
Detailed Description AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER AR1000 Series Resistive Touch Screen Controller Special Features • RoHS...
Datasheet PDF File AR1021 PDF File

AR1021
AR1021

Overview
AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER AR1000 Series Resistive Touch Screen Controller Special Features • RoHS Compliant • Power-Saving Sleep mode • Industrial Temperature Range • Built-in Drift Compensation Algorithm • 128 Bytes of User EEPROM Power Requirements • Operating Voltage: 2.
5-5.
0V ±5% • Standby Current: - 5V: 85 µA, typical; 125 µA (maximum) - 2.
5V: 40 µA, typical; 60 µA (maximum) • Operating “No touch” Current: - 3.
0 mA (typical) • Operating “Touch” Current: - 17 mA, typical, with a touch sensor having 200 layers - Actual current is dependent on the touch sensor used • AR1011/AR1021 Brown-Out Detection (BOR) set to 2.
2V Touch Modes • Off, Stream, Down, Up and more.
Touch Sensor Support • 4-Wire, 5-Wire and 8-Wire Analog Resistive • Lead-to-Lead Resistance: 50-2,000typical) • Layer-to-Layer Capacitance: 0-0.
5 µF • Touch Sensor Time Constant: 500 µs (maximum) Touch Resolution • 10-bit Resolution (maximum) ...


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