MaxLinear Introduces MxL9162 64Gbaud Linear Transimpedance Amplifier for Next-Generation 400Gbps / 600Gbps Coherent Systems

MaxLinear Inc., a provider of radio frequency (RF) and mixed-signal integrated circuits for the connected home and wired and wireless infrastructure markets, introduced the MxL9162, a 64Gbaud linear coherent transimpedance amplifier (TIA) for next-generation 400Gbps/600Gbps dense wave division multiplexing (DWDM) coherent systems.

The MxL9162 features RF system performance including over 40GHz channel bandwidth, low total harmonic distortion (THD), input referred noise density, power dissipation and channel crosstalk. The device exceeds the high-performance requirements of next-generation 64Gbaud high bandwidth (HB) micro-intradyne coherent receiver (ICR) designs for long-haul, metro and datacenter interconnect applications.

The MxL9162 is a dual-channel TIA with a per-channel data rate of 64Gbaud. Its THD and channel signal-to-noise-ratio enable a higher order of signal modulation such as 64-QAM that is required to support 400Gbps/600Gbps single wavelength data rates. An integrated photo detector bias and SPI interface with integrated high-resolution DAC/ADC greatly simplifies the peripheral circuit design, reduces module bill-of-material cost and minimizes substrate real estate. Ultra-low input referred noise density and low power consumption make it the best option for next-generation HB micro-ICR designs.

Additionally, the integrated equalizer function with programmable gain peaking profile allows receiver sensitivity to be optimized with PDs and package designs from a wide range of manufacturers. The MxL9162 also supports the low differential output swings required for the next generation of low-power coherent DSPs.

Contact Information

MaxLinear, Inc..

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