This user’s guide describes the characteristics, operation, and use of the PGA450Q1EVM. An EVM description, GUI description, interface requirements, and complete schematic are included.
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The PGA450-Q1 is an interface device for ultrasonic transducers used in automotive parking assistance and blind spot detection applications. The device functions as the driver and receiver for a wide range of transducers with frequency ranges from 40 kHz to 70 kHz. The PGA450-Q1 device incorporates an analog front end (AFE) and a 8051W microprocessor core. The AFE includes voltage regulators, an amplifier, an ADC, an oscillator, and a temperature sensor. The PGA450-Q1 device also implements a LIN 2.1 physical layer for communication. For more details, see the device data sheet.