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TDC-GPX multifunctional High-end Time-to-Digital Converter

4 different operation modes, 81 ps up to 10 ps resolution

I-Mode

  • 8 channels with 81 ps BIN
  • LVTTL inputs
  • 5.5 ns pulse-pair resolution with 32-fold multi-hit capability = 200 MHz peak rate
  • Trigger to rising or falling edge
  • Endless measurement range by internal retrigger of START
  • 10 MHz continuous rate per channel
  • 40 MHz continuous rate per chip

 

R-Mode

  • 2 channels with 27 ps BIN
  • Differential LVPECL inputs
  • Measurement range 0 ns up to > 10 µs
  • 5.5 ns pulse-pair resolution with 32-fold multi-hit capability 200 MHz peak rate
  • Trigger to rising or falling edge
  • Optional Quiet Mode (no ALU operation and Data-output during measurements)
  • 40 MHz continuous rate per channel
  • 40 MHz continous rate pe chip

 

M-Mode

  • 2 channels with 10 ps BIN
  • 70 ps peak-peak
  • Differential LVPECL inputs
  • Measurement range 0 ns to > 10 µs
  • Single hit per Start
  • Minimum pulsewidth 1.5 ns
  • Trigger to rising or falling edge
  • Quiet Mode (no ALU operation and Data-output during measurements)
  • 500 kHz continuous rate per channel

 

G-Mode

  • 2 channels with 41 ps BIN
  • Differential LVPECL inputs
  • Measurement range 0 ns to > 10 µs
  • 5.5 ns pulse-pair resolution between edges of equal slope with 32-fold multi-hit = 200 MHz peak rate
  • Pulsewidth measurement down to 1.5 ns
  • Trigger to rising and falling edge
  • Optional Quiet Mode (no ALU operation and Data-output during measurements)
  • 20 MHz continuous rate per channel
  • 40 MHz continuous rate per chip

Download / Misc.

Download datasheet as PDF (~815kB, Jan 07 )

 

Download application note "PLL regulation circuit" as PDF (~102kB, Oct 05)

 

Download application note "Reduced Decoupling" as PDF (~73kB, Feb 07)

 

(Click to enlarge)

Blockdiagram

 

General

> Resolution Adjust Mode

> 28 Bit or 2x16 Bit data bus

> -40°C ... +125°C Tj

> Package TQFP 100, TFBGA120