UFC热、水、气的超声波流量计的测量芯片       产品包括TDC-GP21/GP22以及评估系统GP22-EVA-KIT和GP22-DEMO-KIT       应用在超声波热量表，超声波水表，工业流量计，超声波气表，超声波密度计

TDC-GP21 - Time-to-Digital Converter with integrated Analog Frontend

TDC-GP21 is next generation‘s upgrade for TDC-GP2. It offers pin-to-pin and functional compatibility, several feature improvements and an extended functionality. Analog elements like a chopper stabilized comparator and analog switches simplify external circuits of ultrasonic flow meters in a significant manner. In parallel, measurement quality is improved and operating current is reduced. The fire pulse generator is extended, a new low-power 32 kHz oscillator driver is implemented and the temperature measuring unit is further improved. All in all, the TDC-GP21 is perfectly suited to design ultra-compact and low-cost ultrasonic flow meters and heat meters.

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