PGA450-Q1 is an Ultrasonic-Sensor Signal Conditioner

This post sponsored by Texas Instruments.

The PGA450-Q1 is a fully integrated interface device for ultrasonic transducers used in automotive park-assist, blind spot-detection, and object-detection applications.

The device incorporates the following system blocks: voltage regulators, a 12-bit SAR ADC, an 8-bit microcontroller, a digital bandpass filter, a DAC, dual NMOS low-side drivers, a low-noise amplifier, an oscillator, and a LIN 2.1 physical interface and protocol for interfacing. It also has a configurable burst generator and a digital signal envelope detect. The PGA450-Q1 features a watchdog timer, four-wire SPI for testability and programming, and 768 bytes of FIFO RAM, as well as 256 bytes of scratchpad RAM. The PGA450-Q1 has an 8-bit microcontroller and OTP memory for program storage for processing the echo signal and calculating the distance between the transducer and the object. This data is transmitted through the LIN 2.1 communication protocol. The LIN 2.1 physical layer is slave-only and does not implement the LIN wake-up feature. All other LIN 2.1 features can be implemented in the software.

By: Rachel Kalina, Hearst Business Media

For more information about this product, click here.
For detailed information about the tool mentioned above, click here.
To request a sample, click here.
To download a datasheet, click here.

To buy now at Mouser, click here.