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12 March 2014

MACOM launches low-power 4x28G TIAs for high-density, small-form-factor 100G modules

In stand #2203 at the Optical Fiber Communication (OFC 2014) in San Francisco (11-13 March), M/A-COM Technology Solutions Inc of Lowell, MA, USA (which makes semiconductors, components and subassemblies for analog, RF, microwave and millimeter-wave applications) has launched its latest family of ultra-low-power 4x28G transimpedance amplifiers (TIAs), which support data rates from 10.3Gbps to 28Gbps.

The devices have ultra-low power dissipation from a 3.3V supply and deliver what is claimed to be best-in-class sensitivity in a small bare-die layout, making them suitable for high-density optical module applications. They are offered in four different versions including the discrete channel M03002 and array channel M03100, M03101 and M03102( with input pitch sizes of 250μm, 500μm, and 750μm, respectively), offering flexibility for various optical modules and optical interconnect applications.

The additions to the TIA product line complement MACOM’s growing 100G product portfolio, which consists of what is claimed to be the industry’s lowest-power 4x28G laser driver and clock & data recovery devices (CDRs). The new TIAs improve optical sensitivity and dynamic range while adding key features such as an individual photodiode average receive current indicator and on-chip decoupling capacitors, reducing the overall cost of optical subassemblies.

“The TIA solution offered by MACOM is a critical component enabling low module power dissipation in next-generation 100G modules," comments Sheng Zhang, chief scientist at optical communication product maker Source Photonics Inc of Chatsworth, CA, USA. “By combining Source Photonics’ advanced optics with MACOM’s high-performance TIA solutions, we will be able to address the demanding 100G module requirements.”

The M03002, M03100, M03101 and M03102 devices can be used in conjunction with the M37040 and M37046 4x28G receive CDRs to form a complete ultra-low-power 100G module receiver chipset solutions. “We continue to expand our optical PMD [physical media device] product offering as a trusted source for 100G CFP2, CFP4 and QSFP modules,” says Angus Lai, product marketing director, High Performance Analog at MACOM. “Our newest family of TIAs offers superior sensitivity and ultra-low power dissipation. Along with our highly integrated 4x28G CDRs, they enable the best-in-class 100G module solutions,” he claims.

MACOM is highlighting the new TIAs alongside established PMD solutions that are now part of its portfolio following its acquisition earlier this year of Mindspeed Technologies Inc of Newport Beach, CA, USA (which designs network infrastructure semiconductors for communications applications). 100G module chipset solutions and live demonstrations are taking place in MACOM’s demonstration room (#631) at OFC.

See related items:

MACOM to showcase expanded portfolio of 100G products at OFC

MACOM to acquire Mindspeed for $272m

Tags: M/A-COM TIAs 100G optical modules Source Photonics Mindspeed

Visit: www.macomtech.com

Visit: www.sourcephotonics.com

Visit: www.mindspeed.com

Visit: www.ofcconference.org

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