Overview
The TSC2004IRTJR is a 12-bit, nanopower, 4-wire touch screen controller manufactured by Texas Instruments. This component is designed for applications requiring precise touch input with minimal power consumption. It is widely used in portable and battery-powered devices due to its low power requirements and high accuracy. The TSC2004IRTJR is positioned as a cost-effective solution for touch screen interfaces in consumer electronics, industrial controls, and medical devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 10-bit, 12-bit | Selectable resolution | |
| Sampling Rate | 100 | kS/s | |
| Interface Type | Serial, 2-Wire, 4-Wire, I2C | Versatile interface options | |
| Supply Voltage | 1.2 to 3.6 | V | Wide operating range |
| Operating Current | 506 | µA | Low power consumption |
| Operating Temperature | -40 to +85 | °C | Industrial temperature range |
| Package | QFN-20 | Surface mount |
Key Features
- 4-wire touch screen interface for accurate touch detection
- Ratiometric conversion for improved accuracy
- Single supply voltage from 1.2V to 3.6V for versatility
- Pre-processing to reduce bus activity and save power
- High-speed I2C compatible interface for fast data transfer
- On-chip temperature measurement for environmental monitoring
- Touch pressure measurement for enhanced user interaction
- Automatic power-down control for energy efficiency
Applications
The TSC2004IRTJR is ideal for a variety of applications including portable consumer electronics such as smartphones and tablets, industrial control panels, and medical devices. Its low power consumption and high accuracy make it suitable for battery-powered devices. In industrial settings, it can be used in human-machine interfaces (HMIs) for precise touch input. In medical devices, it ensures reliable operation in critical environments.
Q & A
What is the resolution of the TSC2004IRTJR?
The TSC2004IRTJR offers selectable resolutions of 10-bit and 12-bit.
What is the operating voltage range of the TSC2004IRTJR?
The operating voltage range is from 1.2V to 3.6V.
What interface types are supported by the TSC2004IRTJR?
It supports Serial, 2-Wire, 4-Wire, and I2C interfaces.
What is the sampling rate of the TSC2004IRTJR?
The sampling rate is 100 kS/s.
What is the operating temperature range of the TSC2004IRTJR?
It operates from -40°C to +85°C.
What is the package type of the TSC2004IRTJR?
It comes in a QFN-20 package.
Does the TSC2004IRTJR support touch pressure measurement?
Yes, it supports touch pressure measurement.
What is the typical operating current of the TSC2004IRTJR?
The typical operating current is 506 µA.
Is the TSC2004IRTJR suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered devices.
What are the key features of the TSC2004IRTJR?
Key features include 4-wire touch screen interface, ratiometric conversion, low power consumption, and high-speed I2C interface.
