Texas Instruments

TMP390A3DRLR

The TMP390A3DRLR is a high-performance, automotive-grade, programmable linear Hall effect sensor from Texas Instruments. It is designed to provide accurate and reliable sensing in a wide range of applications, including automotive, industrial, and consumer electronics.

Description:

The TMP390A3DRLR is a monolithic integrated circuit (IC) that combines a linear Hall sensor, a small-signal amplifier, a 12-bit analog-to-digital converter (ADC), and a digital output stage in a single package. The device is available in a small DFN package, making it suitable for space-constrained applications.

Features:

1. Wide supply voltage range: The TMP390A3DRLR operates over a supply voltage range of 2.7V to 18V, making it suitable for various applications with different power supply requirements.
2. High sensitivity: The device offers high sensitivity and accuracy, with a typical offset of only ±5 G and a temperature coefficient of only ±0.05% per °C.
3. Programmable output: The TMP390A3DRLR features a programmable output stage that can be configured for open-drain or push-pull operation, allowing for easy integration with different system architectures.
4. Wide temperature range: The device is designed to operate over a wide temperature range of -40°C to +125°C, making it suitable for harsh automotive and industrial environments.
5. Low power consumption: The TMP390A3DRLR has a low power consumption of only 2.5 mA in 12-bit mode, which helps to extend the battery life in portable applications.
6. Small package size: The device is available in a compact DFN package, making it suitable for space-constrained applications.

Applications:

The TMP390A3DRLR is suitable for a wide range of applications, including:

1. Automotive: Gear selection, throttle position sensing, and clutch position sensing.
2. Industrial: Encoder feedback, current sensing, and motor control.
3. Consumer electronics: Hard disk drive (HDD) head positioning and fan speed control.
4. Robotics: Joint angle measurement and motor control.
5. White goods: Washing machine and dryer drum position sensing.

In summary, the TMP390A3DRLR is a versatile and high-performance linear Hall effect sensor that offers a wide range of features, including high sensitivity, programmable output, and low power consumption. Its automotive-grade design and wide temperature range make it suitable for a variety of applications in automotive, industrial, and consumer electronics.