# XPT2046 - XRT Touch Screen Controller

## Product Summary

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.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | XPT2046 |
| Manufacturer | XRT |
| Product Type | Touch Screen Controller |
| Category | Uncategorized |
| Subcategory | Data Acquisition |

## Description

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.

## Key Specifications

| Specification | Value |
| --- | --- |
| SVHC Present | Not Present |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | In Stock |
| Distributor Count | 1 |
| Total Stock | 190 |
| Pricing Available | No |

## Distributor Offers

| Distributor | Stock | Unit Price | MOQ | Lead Time | Last Updated |
| --- | --- | --- | --- | --- | --- |
| PROSOFT ELECTRONICS | 190 |  |  |  |  |

## 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.

## Applications

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

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |
| SVHC Present | Not Present |

## Documents and Media

- Image: https://static.distyparts.com/disty-files/images/6f/b1/3b/XPT2046-Application-Diagram.jpg
- Product Page: https://distyparts.com/product/xpt2046-2
- RFQ URL: https://distyparts.com/product/xpt2046-2#rfq

## FAQs

### 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.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/xrt
- Category: https://distyparts.com/category/uncategorized/new-products
- Product Page: https://distyparts.com/product/xpt2046-2
- Markdown File: https://distyparts.com/product/xpt2046-2.md
- TXT File: https://distyparts.com/product/xpt2046-2.txt