F0601720Q Datasheet, PDF (4/9 Pages) Eudyna Devices Inc – High Speed GaAs LED Driver

GaAs LED Driver IC
♦ User’s Guide
(1) Application of Dly1 and Dly2
F0601720Q
The two terminals permit presettable compensation of pulse width distortion at input sig-
nals In1 and In2 by connecting to GND as shown in Table1.
Table 1.
Dly2
Presetting
open
GND
open
1ps
250ps
Dly1
GND
150ps
350ps
(2) Application of Tr1
The Tr1 terminal permits presettable voltage at Vbb by adjusting the valuable resistor (0
to 1kΩ) connected with GND as shown in Table2.
Table 2.
Terminal
Tr1
Vbb
Without control
open
3.8V ~ 4.1V
With control
0 ~ 1kΩ
3.72V (Recommended setting voltage)