PGA450-Q1 Automotive Ultrasonic Sensor Signal Conditioner
【產品特性】1. Cost Efficient: Provides for a single-chip cost optimized solution that is configurable for most any automotive park distance control system or similar object detection application.
2. Customizable: Provides for processing the transducer echo signals and for calculating the distance between the transducer and objects. 8-bit uC & program memory allow for full configurability to the customers specific end application.
【產品應用】-Automotive Park Distance Control
-Automotive Ultrasonic Park Assist
【文字介紹】The PGA450-Q1 is a fully integrated interface device for ultrasonic transducers used in automotive park distance or object detection applications. It incorporates these system blocks: voltage regulators, a 12-bit SAR ADC, an 8-bit microcontroller, a digital band-pass 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.
The PGA450-Q1 possesses 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 software.
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