Home / Products / Flow Sensing / TDC-GP22 Ultrasonic Flow Converter

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
Yes
Amplitude Measurement
-
Number of Hits
3
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

Applications

  • Ultrasonic water meters
  • Ultrasonic heat meters
  • Ultrasonic gas meters
  • Ultrasonic flow indicators
  • Laser rangefinders
  • Magnetostrictive sensors