Designs that specifically target an end application provide a much better head start to the system designer. This is certainly the case for the TDC-GP30-F01from ams AG, a provider of sensors and analog ICs. The single-chip solution for ultrasonic flow meter ICs is a complete hardware and firmware measurement solution for cold water meters. It includes a processor to compute water flow, volume and temperature measurements.
With a continuous current of just 8.5µA when making flow measurements at a rate of 8Hz, the chip can operate for up to 20 years on the energy available from a single AA lithium battery.
In addition to a full suite of hardware and software tools for design evaluation, development and characterization, the device also offers firmware functions such an error handling and power-saving modes when the flow rate is zero. As the final touch to make metering system implementation quick and easy, a demonstration kit is available as well.
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