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Microchip Resistive Touch Screen Controller 10 bit I2C/SPI Interface 8 Wire 20-Pin SOIC AR1021-I/SO
Specifications
| Country of Origin | India |
|---|---|
| Resolution | 10 bit |
| Display | touch screen |
| Brand | Microchip |
| Height | 2.35mm |
| Length | 12.8mm |
| Model | AR1021-I/SO |
| Width | 7.5mm |
| Mount Type | Surface |
| Series | AR1000 |
| Input Type | 1 TSC |
| Maximum Operating Temperature | 85°C |
| Package Type | SOIC |
| Sub Type | Touch Screen Controller |
| Minimum Operating Temperature | -40°C |
| Interface Type | I2C/SPI |
| Pin Count | 20 |
| Maximum Supply Voltage | 5V |
| Minimum Supply Voltage | 2.5V |
| Supply Current | 17mA |
| Sensing Technology | Resistive |
| Sensing Wire Type | 8 Wire |
Key Features
- Supports 4-, 5-, or 8-wire analog resistive touch screens.
- Communicates via I2C or SPI protocols for flexibility.
- Provides 1024x1024 resolution for precise touch sensing.
- Equipped with EEPROM for calibration retention.
- Suitable for screen sizes from 1.5 inch to 24 inch.
- Operates within supply voltage range 2.5V to 5V.
- Wide operating temperature range from -40°C to 85°C.
- Compact 20-pin SOIC surface mount package with 12.8mm length and 7.5mm width.
Product Description
Microchip AR1021-I/SO Resistive Touch Screen Controller is a highly integrated sensor IC designed for resistive touch sensing applications. This touch screen controller features 10 bit resolution, supporting analog resistive touchscreens with 4, 5, or 8 wires, communicating via I2C or SPI interfaces. It comes in a compact 20-pin Surface Mount SOIC package, enabling easy integration into modern electronics.
The device supports high accuracy touch sensing with a resolution of up to 1024x1024, making it suitable for various touch screen sizes ranging from 1.5 inches to 24 inches diagonal. It incorporates EEPROM for calibration data retention, ensuring prolonged accurate performance without frequent recalibration.
The AR1021-I/SO operates efficiently with a supply voltage range from 2.5V to 5V and a typical supply current of 17mA, affording low power consumption that benefits battery-operated and embedded systems.
Designed for robustness, it functions reliably in industrial temperature ranges from -40°C up to 85°C, making it suitable for demanding environments. Its compact dimensions of approximately 12.8mm length, 7.5mm width, and 2.35mm height facilitate space-saving PCB layouts.
Applications include integration in industrial control panels, handheld electronic devices, consumer appliances, and embedded systems requiring reliable resistive touch input. This component is an essential part of modern touch screen solutions due to its universality and adaptability across multiple touch interface types.
Supports 4-, 5-, or 8-wire resistive touch screens with I2C or SPI communication. Provides EEPROM calibration retention for consistent accuracy. Capable of handling touch screen sizes from 1.5 to 24 inches. Operates from 2.5V to 5V supply voltage with low 17mA current consumption.
Wide temperature tolerance between -40°C and 85°C for industrial use. Compact 20-pin SOIC mounting for space-efficient PCB design. Explore the Electronics & Electricals category on EnvMart for more advanced touch screen controllers and sensor ICs suitable for diverse industrial and commercial applications.
Explore more products in our Touch Screen Sensor category.
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Frequently Asked Questions
It provides a resolution of 10 bits, supporting precise touch sensing capabilities.
It supports 4-, 5-, or 8-wire analog resistive touch screens, allowing for versatile integration.
This model communicates via I2C or SPI protocols, providing flexibility for various applications.
It operates within a supply voltage range of 2.5V to 5V, making it suitable for low-power applications.
The typical supply current is 17mA, which supports efficient power consumption in embedded systems.
It functions reliably within a wide temperature range from -40°C to 85°C, suitable for industrial environments.
The dimensions are approximately 12.8mm in length, 7.5mm in width, and 2.35mm in height.
Yes, it is equipped with EEPROM for calibration data retention, ensuring consistent accuracy over time.
It is suitable for touch screens ranging from 1.5 inches to 24 inches diagonally.
It comes in a compact 20-pin Surface Mount SOIC package, facilitating easy integration into PCB designs.
It is suitable for applications in industrial control panels, handheld devices, consumer appliances, and embedded systems requiring resistive touch input.
This model is part of the AR1000 series of touch screen controllers.
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