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AR1021T-I/SS The AR1021T-I/SS is a 10-bit touch screen controller from Microchip Technology. It supports 4, 5, or 8 wire resistive touchscreens and offers I²C, Serial, and SPI interfaces.
Mfr Part #:

AR1021T-I/SS

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AR1021T-I/SS is a 10-bit touch screen controller from Microchip Technology. It supports 4, 5, or 8 wire resistive touchscreens and offers I²C, Serial, and SPI interfaces.
✓ Total Stock: 52 pcs

AR1021T-I/SS Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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52 pcs
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AR1021T-I/SS Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Interface
Mounting Type
Operating Temperature
Resolution (Bits)
Supplier Device Package
Touchscreen
Voltage
Voltage Reference
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AR1021T-I/SS Description

Short technical summary and product information.

The Microchip Technology AR1021T-I/SS is a 10-bit resolution touch screen controller designed for resistive touchscreen applications. It supports 4, 5, or 8 wire resistive touchscreens, making it suitable for a wide range of human-machine interface designs.

 

This controller operates from a 2.5V to 5V supply voltage and draws a typical supply current of 17 mA. It features an internal voltage reference and provides I²C, Serial, and SPI interface options for communication with a host microcontroller. The device is specified for an operating temperature range of -40°C to 125°C.

 

The AR1021T-I/SS is offered in a 20-SSOP (0.209", 5.30mm Width) surface mount package, with a supplier device package of 20-SSOP. This compact package is suitable for space-constrained designs requiring reliable touch input processing.

AR1021T-I/SS Quick Information

Product Type: Touch Screen Controller
Canonical Name: Microchip Technology AR1021T-I/SS Touch Screen Controller
Subcategory: Data Acquisition

AR1021T-I/SS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AR1021T-I/SS Features

  • 10-bit resolution for touch position sensing.
  • Supports 4, 5, or 8 wire resistive touchscreens.
  • I²C, Serial, and SPI interface options.
  • Internal voltage reference for simplified design.
  • Wide operating temperature range of -40°C to 125°C.

AR1021T-I/SS Applications

  • Ideal for industrial touch screen interfaces.
  • Suitable for medical device control panels.
  • Used in point-of-sale terminal touch inputs.
  • Applicable for automotive infotainment touchscreens.

AR1021T-I/SS FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the AR1021T-I/SS touch screen controller?

The AR1021T-I/SS has a 10-bit resolution.

What types of touchscreens does the AR1021T-I/SS support?

It supports 4, 5, or 8 wire resistive touchscreens.

What communication interfaces does the AR1021T-I/SS provide?

It provides I²C, Serial, and SPI interfaces.

What is the supply voltage range for the AR1021T-I/SS?

The supply voltage range is 2.5V to 5V.

What is the operating temperature range of the AR1021T-I/SS?

The operating temperature range is -40°C to 125°C.

What package is the AR1021T-I/SS available in?

It is available in a 20-SSOP (0.209", 5.30mm Width) surface mount package.

Does the AR1021T-I/SS have an internal voltage reference?

Yes, it has an internal voltage reference.

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