TDC-GP22 1K T&R,Analogue Front End IC, 2-Channel 16 bit SPI, 32-Pin QFN

The ScioSense ultrasonic flow converter is a 2-channel TDC with additional analogue elements like extended fire-pulse generator, zero-cross detection and analogue switches for simplifying the use in ultrasonic flow meter applications.

Analog frontend for ultrasonic flow meters
Chopper-stabilized low-offset comparator for zero crossing detection
Precise windowing for hit selection