XPT2046 The XPT2046 is a 4-wire resistive touch screen controller from XRT. It features a 12-bit ADC and operates at a sampling frequency of up to 125 kHz.
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XPT2046

Available from 1 distributors
Mfr Name: XRT
XRT
The XPT2046 is a 4-wire resistive touch screen controller from XRT. It features a 12-bit ADC and operates at a sampling frequency of up to 125 kHz.
✓ Total Stock: 190 pcs

XPT2046 Available from 1 distributor

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190 pcs
190 pcs On Request 1 On Request On Request 08+ On Request On Request

XPT2046 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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XPT2046 Description

Short technical summary and product information.

The XPT2046 is a 4-wire resistive touch screen controller that incorporates a 12-bit SAR type A/D converter with a S/H circuit. It operates with a low supply voltage, ranging from 2.2V to 6V, and supports digital I/O interface voltages from 1.5V to VCC, enabling connection to low-voltage microprocessors.

 

Key electrical specifications include a 12-bit ADC resolution and a maximum sampling frequency of 125 kHz. It also features an on-chip 2.5V voltage reference and low power consumption of 260 µA. The device can detect pressed screen location and measure touch screen pressure.

 

The XPT2046 is available in a 16-pin QFN package. Its applications include POS terminals, portable LCD-based instruments, pager systems, touch screen monitors, and cellular phones.

XPT2046 Quick Information

Product Type: Touch Screen Controller
Canonical Name: XPT2046 Touch Screen Controller
Subcategory: Data Acquisition

XPT2046 Compliance

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

XPT2046 Features

  • 12-bit SAR type A/D converter.
  • Operates from 2.2V to 6V supply.
  • Supports 1.5V to VCC digital I/O.
  • 125 kHz maximum sampling frequency.
  • Low power consumption of 260 µA.

XPT2046 Applications

  • Used in POS terminals.
  • Suitable for portable LCD instruments.
  • Applicable to pager systems.
  • Designed for touch screen monitors.
  • Found in cellular phones.

XPT2046 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the A/D converter resolution of the XPT2046?

The XPT2046 features a 12-bit SAR type A/D converter.

What is the maximum sampling frequency for the XPT2046?

The maximum sampling frequency is 125 kHz.

What is the operating voltage range for the XPT2046?

The XPT2046 operates from a supply voltage of 2.2V to 6V.

What is the digital I/O voltage supported by the XPT2046?

The digital I/O interface voltage ranges from 1.5V to VCC.

What type of interface does the XPT2046 use?

The XPT2046 uses a 4-wire interface.

Does the XPT2046 have an on-chip voltage reference?

Yes, the XPT2046 has an on-chip voltage reference of 2.5V.

What is the typical power consumption of the XPT2046?

The low power consumption is 260 µA.

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