iC-HG
3 A LASER SWITCH
Rev A2, Page 2/21
DESCRIPTION
Six channel Laser Switch iC-HG enables the spike- is selected with 30% VDD and LVDS slow switch
free switching of laser diodes with well-defined cur- mode with 70% VDD at input ELVDS.
rent pulses at frequencies ranging from DC to
200 MHz.
The laser diode can thus be turned on and off or
switched between different current levels (LDKx con-
The diode current is determined by the voltages at nected) defined by the voltages at CIx.
pins CIx.
Each channel can be operated up to 500 mA DC cur-
The six fast switches are controlled independently via rent depending on the heat dissipation.
TTL inputs. Input ELVDS = hi selects LVDS type in-
puts and three channel mode. TTL slow switch mode The integrated thermal shutdown feature protects the
iC-HG from damage by excessive temperature.
ICHAUS [ IC-HAUS GMBH ]
