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 properties
Applications
- Ultrasonic water meters
- Ultrasonic heat meters
- Ultrasonic gas meters
- Ultrasonic flow indicators
- Laser rangefinders
- Magnetostrictive sensors
Related Products

Product name
TDC-GP30 Ultrasonic Flow Converter
Description
TDC-GP30 is the next step in ultrasonic flow metering. It is a system on chip approach to perform all measurement tasks in one IC.

Product name
TDC-GP30-F01 Ultrasonic Flow Converter
Description
TDC-GP30-F01 is a complete ultrasonic flow metering solution, including the flow calculation.
Documents
Technical Documents

Title
Datasheet
Description
Document Version 0.9
Language
English

Title
Application Note
Description
Laser range finder
Language
English

Title
Application Note
Description
Water / heat metering
Language
English
Environmental Documents

Title
RoHS Certificate
Description
RoHS Certificate TDC-GP22
Language
English
Notifications

Title
Product Change Notification
Description
Change Notification_MOQ Amendment_PCAPx_TDC-GPx_PS09FN (issued 2017-Mar)
Language
English

Title
Product Change Notification
Description
CN13-2017 (PCAP0x, TDC-GPxx, PS09)
Language
English
Other Information

Title
Block Diagram
Description
TDC-GP22 Block Diagram
Language
English