TUSS4470TRTJR

Sensor And Detector Interfaces Overview

The TUSS4470TRTJR is a direct-drive ultrasonic sensor interface IC manufactured by Texas Instruments. It integrates a logarithmic amplifier and signal conditioning circuitry for distance measurement applications. The device operates on a supply voltage ranging from 5 V to 36 V, with a typical operating current of 1.5 mA. It features an SPI digital interface for configuration and data readout. The component is housed in a 20-WQFN package with dimensions of 4x4 mm. It supports a single channel and functions within a temperature range of -25°C to +105°C.

Sensor And Detector Interfaces Feature Summary

• Integrates a direct drive ultrasonic sensor interface with a logarithmic amplifier for enhanced signal sensitivity.
• Features an internal H-bridge driver configurable for direct drive or pre-driver modes to support various transducer sizes.
• Includes a modular receive path with low-noise linear amplification and bandpass filtering for input-related gain control.

Sensor And Detector Interfaces Applications

• Ultrasonic parking assistance systems
• Distance measurement modules
• Industrial proximity sensing

Sensor And Detector Interfaces Procurement Notes

Verify the specific suffix 'JT' versus 'JR' when sourcing, as packaging variations may exist. Confirm end-of-life status and availability of the TRTJR variant through authorized distributors. Ensure compatibility with existing PCB footprints for the 20-QFN package before procurement.

Sensor And Detector Interfaces Selection Notes

Select this component for applications requiring integrated signal conditioning and direct drive capabilities without external amplifiers. Verify that the required supply voltage falls within the 5 V to 36 V range. Ensure the host microcontroller supports SPI communication for configuring the burst length and monitoring status registers.

Sensor And Detector Interfaces Part Context

This part belongs to the TUSS4470 family of ultrasonic sensor interfaces. It is designed to simplify the design of ultrasonic sensing systems by integrating the driver and receiver front-end. The device replaces discrete solutions involving separate drivers and amplifiers, reducing board space and component count.

Sensor And Detector Interfaces Replacement Considerations

The TUSS4470TRTJR is listed as a substitute for the TUSS4470TRTJT model. Both parts share the same core functionality and pinout. Verify package compatibility and ensure the specific reel quantity matches production requirements.