Wednesday, October 8, 2014

Differential Ultra Fast Laser Diode Driver

Before we go on, let's do some recap. We discussed about MEMS enable medical innovation and power electronic components for materials handling.

First, we discussed about Mouser Electronics' MEMS which enable medical innovation. MEMS sensors give consumers great time using its advanced features. MEMS, Micro ElectroMechanical Systems, are now on almost all electronic equipments, from consumer electronics, to home appliance, and now even reinventing and improving medical equipments.

 
Second, we had power electronic components for materials handling. Power electronics may be small but these components help drive heavy machinery. Variety of drives can be found in lift trucks, and other materials handling equipment. They supply the mechanical energy to move the motors for hydraulic pump and propulsion, even used as auxiliary actuators for steering.

 
Now, we will be discussing about IXYS' differential ultra fast laser diode driver, the IXLD02. Technically, it is an ultra high-speed differential laser diode driver designed specifically to drive single junction laser diodes in a differential fashion. Theoretically, laser diode drivers work in two ways: 1) produce constant regulated voltage; 2) produce constant current drive though the laser diode load. It is a constant current source, linear, noiseless, and accurate, that delivers exactly the current to the laser diode that it needs to operate for a particular application.


The IXLD02 is an ultra high-speed differential laser diode driver designed specifically to drive single junction laser diodes. Complementary sink outputs are provided via a low inductance multi-pin topology. These two signals make their transitions at the same time with transition times in the picoseconds. This technique provides the highest possible slew rate across the diode.

These performance features are combines with frequency agility to a maximum operating frequency of 17 MHz, a minimum pulse width of <1.5 ns and rise and fall times of approximately 600 ps. In addition, the pulse width and the current programming can be modulated in real time to >10 MHz. The IXLD02 is assembled in a high power SO-28 surface mount package.


Features
  • Ultra Fast Pulsed Current Sink
  • 17 MHz maximum operating frequency
  • <1.5 ns Minimum Pulse Width
  • 600ps Rise and fall times
  • Pulse Width and Frequency agile
  • Real Time Electronic Programming of Current and Pulse Width
  • Low Inductance High Power Package Design
  • Simultaneous Frequency, Pulse Width and Amplitude Modulation

To learn more about IXYS' ULTRA-FAST LASER DIODE DRIVER, click on the link below:
http://www.eeweb.com/company-news/ixys/differential-ultra-fast-laser-diode-driver/

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