Datasheet

 2009-2012 Microchip Technology Inc. Preliminary DS41393B-page 3
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 uA, typical; 125 uA (maximum)
- 2.5V: 40 uA, typical; 60 uA (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 uF
• Touch Sensor Time Constant: 500 us (maximum)
Touch Resolution:
• 10-bit Resolution (maximum)
Touch Coordinate Report Rate:
• 140 Reports Per Second (typical) with a Touch
Sensor of 0.02 uF with 200 Layers
• Actual Report Rate is dependent on the Touch
Sensor used.
Communications:
• SPI, Slave mode, p/n AR1021
•I
2
C
TM
, Slave mode, p/n, AR1021
• UART, 9600 Baud Rate, p/n AR1011
AR1000 SERIES RESISTIVE TOUCH
SCREEN CONTROLLER
AR1000 Series Resistive Touch Screen Controller