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TDC-GP21
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Product Features
TDC-GP21 Ultrasonic Flow Converter
Time-to-digital converter with integrated analog front-end TDC-GP21 is a 2-channel TDC with additional analog elements like extended fire-pulse generator, zero-cross detection and analog switches for simplifying the use in ultrasonic flow meter applications. An optimized power managements of the various units brings down the operating current to a few µA at 2Hz measuring rate.
Features
- 2-channel TDC with 22ps resolution
- Analog frontend for ultrasonic flow meters
- Chopper-stabilized low-offset comparator for zero crossing detection
- Precise windowing for hit selection
- Temperature measuring unit for PT1000 sensors
- QFN32 package
Part Descriptions
Applications:
- Ultrasonic heat meters
- Ultrasonic gas meters
- Ultrasonic flow indicators
- Laser rangefinders
- Magnetostrictive sensors