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Optoelectronics/Displays??

Laser driver array pair suits 10/40/100G apps

Posted: 18 Jun 2010 ?? ?Print Version ?Bookmark and Share

Keywords:laser diode? driver array? optical module?

Ensphere Solutions has released a pair of 10G laser diode driver arrays provides high performance and low cost in four-port (ESI-1014), and 12-port (ESI-1110) 10G, 40G and 100G long haul optical modules.

ESI-1014 and ESI-1110 driver arrays are able to support a wide variety of laser RC time constants, allowing them to drive both FP and DFB lasers. They are capable of supplying up to 100mA of bias and 50mA of modulation currents (per port). When used in a shunt configuration, they can dramatically reduce a design's overall power dissipation and PCB area by assuming the heavy burden of driving low impedance laser diodes while presenting a 50 load to the preceding driver. In addition, crosstalk between adjacent ports is less than -30dB.

Ensphere's laser diode drivers are implemented in a low power CMOS technology and only consume 100mW/port, including the power dissipated by the laser.

Both laser driver ICs are available as raw dies, in either flip-chip or die-bonding configurations. They are fully characterized over industrial temperature range.

Pricing is $5 per port in 10,000 units. Production quantities will be available at the end of August.

- Ismini Scouras
eeProductCenter





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