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Analog converter TDC-GP21
powerdigitaltemperature

analog converter
analog converter
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Characteristics

Type
analog, power, digital, temperature, measuring, down
Bus
1 analog input
Applications
for electromagnetic flow meters
Other characteristics
2-channel

Description

TDC-GP21 Ultrasonic Flow Converter Time-to-digital converter with integrated analog front-end 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 Benefits - High precision - Low power - Few additional external component needed Product parameters Analog Frontend: Yes First Wave Detection: - Amplitude Measurement- Number of Hits3 Resolution [ps]22 Operating Supply Range: 2.5 to 3.6 Interface: SPI CPU: - Firmware: - Memory: - GPIO: - Ambient Temperature Range [°C]: -40 to +125 Package: QFN32 General Description 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.

Catalogs

TDC-GP21
TDC-GP21
91 Pages
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