GigOptix Announces Availability of Single and Quad Channel Limiting 28Gbps DML Drivers

  • Solution Offers High Integration with Low Power Dissipation and Small Form Factor
  • Most Comprehensive, Best Performance 100G Datacom ICs Product Portfolio in the Industry

SAN JOSE, Calif. — (BUSINESS WIRE) — November 16, 2015GigOptix, Inc. (NYSE MKT: GIG), a lead designer, developer, and global supplier of a broad range of analog, digital, and mixed signal components to enable high-speed information streaming over the telecom networks, datacom infrastructure, and consumer electronics links, today announced its new, highly integrated, low power dissipation, with a small form factor single and quad channel Limiting 28Gbps Direct Modulated Laser (DML) driver chipset for 25Gbps and 100Gbps Ethernet datacenter and cloud computing applications. The single channel HXT42100 and the quad channel HXT42400 DML drivers enable the next generation of lower power 28Gbps SFP28+ and 100Gbps QSFP28+ Ethernet modules or Active Optical Cable (AOC) solutions, as well as providing 32GFC and 128GFC support for Fiber Channel Storage solutions.

The HXT42100 and HXT42400 DML drivers share the same architecture with a high level of integration, low power dissipation, and small form factor. The HXT42100 single channel driver footprint is sufficiently small to use within a TOSA (TO-can) solution. Both DML driver solutions support low voltage supply operation as low as 2.5V with modulation and bias currents of 50mA and 50mA respectively, enabling the next generation of low power modules, and can be driven with supply voltages up to 3.3V if higher modulation and bias currents are required. A single channel operating at 2.5V will dissipate less than 200mW of chip power. Neither of the two devices require any external Digital Analog Convertors (DAC) for operations.

A high level of integration is provided with both the HXT42100 and HXT42400 by incorporating the modulation, bias, and pulse shaping DAC into the devices with an integrated I2C interface for control, monitoring, fault, and status detection. The 1MHz I2C interface enables full control of additional functionality such as Signal Detect and Squelch, bandwidth adjust, mask-able fault and interrupt generation, internal temperature monitor selection, channel polarity inversion, and programmable CTLE input equalization.

“GigOptix is proud to announce our single and quad channel DML drivers as the latest addition to our datacom portfolio for the data center market supporting Ethernet and Fiber Channel protocols. Next to our market dominating 40Gbps short-reach (SR) and long reach (LR) ICs, and the 100Gbps SR ICs and CDR, the DML driver will substantially enhance our 100Gbps long-reach market penetration,” said Tom Kapucija, Datacom Marketing Director, GigOptix, Inc.

“Our new single and quad channel DML drivers provide industry leading integration, low power dissipation, and a small form factor. With integrated bias and modulation current control via our standard I2C interface, low power, and small form factor, TOSA TO-can form factor integration is now possible,” said Emad Afifi, GigOptix’s Senior Director of Engineering and the lead designer of these parts.

The HXT42100 and HXT42400 are sampling now and will be shipped in full production volumes in calendar Q2 of 2016. Please contact GigOptix at for sample availability and pricing information.

About GigOptix, Inc.

GigOptix, Inc. is a lead designer, developer, and global supplier of broad range of analog, digital, and mixed signal components to enable high speed information streaming over the telecom networks, datacom infrastructure, and consumer electronics links. Our ability to innovate and create differentiated products is based on deployment of various semiconductor technologies that span from III-V compounds to SiGe-BiCMOS and CMOS based device designs.

GigOptix’s product portfolio provides high speed solutions in markets such as fiber-optics telecom, wireless backhaul, datacom and consumer electronics, mil-aero, instrumentation, and medical equipment, for applications such as linecards and transponders, active optical cables and pluggables, point-to-point wireless radios, military warfare, avionics electronics, GPS systems, and diverse medical equipment, such as ultrasound imaging, X-Ray, MRI, CT Scan, and Defibrillators


GigOptix, Inc.
Tom Kapucija, +1 408-522-3128
Datacom Marketing Director
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Jim Fanucchi, +1 408-404-5400
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