TDC-GP30 Ultrasonic Flow Converter

Features

High performance and ultra-low power 32-Bit CPU with 4k NVRAM and 4k ROM
Up to 31 multi-hits for flow measurement yield the highest accuracy
Advanced high-precision analog part
Transducers can be connected directly to GP30, no external components required
Amplitude measurements of receiving signal for secure bubble, aging and empty spool piece detection
High update rates with very low power consumption (e.g. 6 µA@8Hz)

Benefits

Lowest power solution for ultrasonic water meters
On-chip firmware allows fastest time-to-market
Best measurement performance for leakage detection

Product properties

Analog Frontend

Yes

First Wave Detection

Yes

Amplitude Measurement

Yes

Number of Hits

Resolution [ps]

Operating Supply Range

2.5 to 3.6

Interface

SPI, UART, Pulse

CPU

32-bit

Firmware

Memory

4k NVRAM, 4k ROM

GPIO

Ambient Temperature Range [°C]

-40 to +125

Package

QFN32, QFN40

Applications

Ultrasonic water meters
Ultrasonic heat meters
Ultrasonic gas meters
Industrial flow indicators

Tools

Product name

Development Kit for TDC-GP30

Description

The GP30-DEV-KIT is a platform for a quick and easy start-up and evaluation of the TDC-GP30 ultrasonic flow converter (UFC).

Product name

Evaluation Kit for TDC-GP30, QFN40 package

Description

The GP30-EVA-KIT is designed as a platform for a quick and easy start-up and evaluation of the TDC-GP30 and TDC-GP30-F01 ultrasonic flow converters in QFN40 package. The evaluation kit offers user-friendly configuration and extensive testing of the devices, as well as data acquisition for calibration. For the variants in QFN32 package, we offer the smaller GP30-DEV-KIT and GP30-DEV-KIT-F01. All kits come with the PICOPROG interface box to connect to USB ports.

Documents

Technical Documents