English German French Chinese Japanese
 
 

TDC-GPX: 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

Timings

Par.

Time (Condition)

Description


 

Min.

 

 

Max.

 


tph

 

1.5 ns

 

 

-

 

Positive pulse width

tpl

 

1.5 ns

 

 

-

 

Negative pulse width

tss

 

0 ns min
*5.2 ns

 

 

40 µs

 

Start to Stop

trr

 

5.5 ns (typ.)

 

Rising edge to rising edge

tff

 

5.5 ns (typ.)

 

Falling edge to falling edge

tva


 

182 ns

 

ALU start to data valid

 

 

* with StopDisStart =1

Resolution

BIN size
at 3.3V, 25°C:

Best
21ps

Typical
27ps

Worst
38ps

Standard deviation:

1.4 LSB +
2.8ps * dt/µs

 

 

R-Mode

(Click to enlarge)

Schematics

(Click to enlarge)

Input Circuit