Manufacturer Part #
AR1021-I/SS
2.5 - 5.0 V 10 Bit SPI/I2C Touch Screen Controller - SSOP-20
Product Specification Section
Microchip AR1021-I/SS - Product Specification
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ECCN:
EAR99
PCN Information:
N/A
File
Date
Part Status:
Active
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Microchip AR1021-I/SS - Technical Attributes
Attributes Table
Technology: | Resistive |
Interface: | I2C/SPI |
Resolution: | 10b |
Operating Voltage: | 5V |
Supply Current: | 17mA |
No of Channels: | 1 |
Operating Temp Range: | -40°C to +85°C |
Storage Temperature Range: | -65°C to +150°C |
Package Style: | SSOP-20 |
Mounting Method: | Surface Mount |
Features & Applications
The AR1021-I/SS is a complete, easy to integrate, cost-effective and universal touch screen controller chip. Available in a SSOP-20 package.
The AR1000 Series has sophisticated proprietary touch screen decoding algorithms to process all touch data, saving the host from the processing overhead. Providing filtering capabilities beyond that of other low-cost devices, the AR1000 delivers reliable, validated and calibrated touch coordinates.
Features:
- RoHS Compliant
- Power-Saving Sleep mode
- Industrial Temperature Range
- Built-in Drift Compensation Algorithm
- 128 Bytes of User EEPROM
- Operating Voltage: 2.5-5.0 V ±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 Ω layers
- Actual current is dependent on the touch sensor used
- AR1011/AR1021 Brown-Out Detection (BOR) set to 2.2V
- 4-Wire, 5-Wire and 8-Wire Analog Resistive
- Lead-to-Lead Resistance: 50-2,000typical)
- Layer-to-Layer Capacitance: 0-0.5 uF
- Touch Sensor Time Constant: 500 us (maximum)
- 10-bit Resolution (maximum)
Applications:
- Mobile communication devices
- Personal Digital Assistants (PDA)
- Global Positioning Systems (GPS)
- Touch Screen Monitors
- KIOSK
- Media Players
- Portable Instruments
- Point of Sale Terminals
Pricing Section
Global Stock:
469
USA:
469
On Order:
0
Factory Lead Time:
4 Weeks
Quantity
Unit Price
67+
$2.09
Product Variant Information section
Available Packaging
Package Qty:
67 per Tube
Package Style:
SSOP-20
Mounting Method:
Surface Mount