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7 September 2016

MACOM launches transmitter/receiver solution for SFP28 short-reach applications

MACOM Technology Solutions Inc of Lowell, MA, USA (which makes semiconductors, components and subassemblies for analog RF, microwave, millimeter-wave and photonic applications) has launched the MATA-37644, a multi-rate 28G CDR (clock & data recovery) device with trans-impedance amplifier (TIA) and limiting amplifier (LA), and the MALD-37645, a multi-rate 28G CDR with vertical-cavity surface-emitting laser (VCSEL) driver and input equalizer. The companion devices offer a complete transmit and receive solution for 25G Ethernet, 32G Fiber Channel and CPRI applications.

The MATA-37644 and MALD-37645 are both available in die form for low-cost wire-bonding assembly and feature high-performance, reference-free CDRs that can be bypassed to support legacy or non-standard data rates. The CDRs re-time at 25-28.1Gb/s and 21-25.3Gb/s as well as divide-by-two data rates. The devices can be individually controlled through the 2-wire serial interface and consume ultra-low power, making them the suitable for small-form-factor SFP28 applications.

The MATA-37644 includes a high-sensitivity TIA with selectable bandwidth control to support legacy data rates, and an output driver with programmable output swing and 2-tap de-emphasis. The MALD-37645 provides programmable bias and modulation current, enabling interoperability with a variety of VCSEL lasers as well as an adaptive input equalizer to support flexible VSR connections to host ASICs.

"MACOM is delighted to offer these one-channel companion devices as a complete solution for SFP28 chip-on-board applications, including optical modules, active optical cables (AOCs) and on-board optical engines," says director of marketing Marek Tlalka. "Our new chipset expands MACOM's existing family of CDRs, laser drives and TIA products to emerging 25G Ethernet and 32G Fiber Channel data center and enterprise applications as well as to 24G CPRI telecom applications."

"MACOM's latest chipset solution is enabling the development of low-cost and low-power SFP28 short-reach optical modules," comments Charlie Wang, VP of research & development at Innolight Technology Corp of Suzhou, China, which designs and makes optical transceivers for the cloud computing market.

The MATA-37644 and MALD-37645 are being shown in private demonstrations in booth #1A32 at the 18th China International Optoelectronic Expo (CIOE 2016) in Shenzhen, China (6-9 September).

Tags: M/A-COM

Visit: www.macom.com/products/optoelectronics

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