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PGA460
SLASEJ4C – APRIL 2017 – REVISED FEBRUARY 2023
PGA460 Ultrasonic Signal Processor and Transducer Driver
1 Features
• Fully integrated solution for ultrasonic sensing • Complimentary low-side drivers with configurable
current limit supporting both transformer based and direct drive topology for transducer excitation • Single transducer for both burst/listen or a transducer pair, one for burst and the other for listen operation • Low-noise receiver with programmable 6-point time-varying gain (32 to 90 dB) with DSP (BPF, demodulation) for echo envelope detection • Two presets of 12-point time-varying threshold for object detection • Timers to measure multiple echo distance and duration • Integrated temperature sensor • Record time for object detection up to 11 m • 128 bytes of RAM for
PGA460 Datasheet
