Features
- 4 stop channels with 20 ns pulse-to-pulse spacing
2 combined channels with 5 ns pulse-to-pulse spacing - Maximum 1.5 MSPS via SPI
- Single shot accuracy 20 ps RMS resolution per channel, 10 ps RMS with high resolution option
- Unlimited measuring range 0s to 16s
- Differential reference clock input 2 MHz to 12.5 MHz, optional with quartz
- Inputs CMOS level, 16-stage FIFO per channel, readout with SPI, used also for configuration
- Automatic calibration to reference clock
- Supply voltage 3.3 V
- Power dissipation 60 mW, standby current 60 μA
- QFN40 package (6 mm × 6 mm)
Benefits
- Simple data post-processing thanks to calibrated results
- Event assignment thanks to reference clock
- Index simplifies coincidence measurements
- Easy pulse width measurements
- High efficiency thanks to high sample rate
- Compact design thanks to small package and low number of external components
- Reduced cooling thanks to low power consumption
Product properties
Applications
- Time-of-Flight Measurement
- Drones
- Laser Rangefinders
- LIDAR
Related Products

Product name
TDC-GPX2 Time-to-Digital Converter
Description
The TDC-GPX2 is the most powerful member in our TDC family. Highest measurement performance and highest data throughput.

Product name
AS6501 Time-to-Digital Converter
Description
The AS6501 is a high performance 2-channel time-to-digital converter (TDC) frontend device based and derived from TDCGPX2.
Documents
Technical Documents

Title
AS65xx Magnetostrictive Position Sensing
Description
Application Note
Language
English

Title
AS6500 DMA Package
Description
Application Note and source codes
Language
English

Title
AS65xx Laser Range Finder
Description
Application Note
Language
English

Title
Datasheet
Description
AS6500 4-Channel Time-to-Digital Converter
Language
English
Environmental Documents

Title
RoHS Certificate
Description
RoHS Certificate AS6500
Language
English
Other Information

Title
Block Diagram
Description
AS6500 Blockdiagram
Language
English

Title
Factsheet
Description
Knowing Position with High Accuracy
Language
English