MACOM M37046: Four channel 25G / 28G CDR with Integrated Limiting Amplifier

With Integrated Limiting Amplifier

The M37046 from MACOM is a four channel 25.78 Gbps / 28.05 Gbps CDR with integrated limiting amplifier for use as a receive device in optical modules.
Each channel includes a high-sensitivity limiting amplifier, a high performance CDR, and an output driver with programmable output swing and 2-tap de-emphasis. The M37046 is assembled in a 4x4.5mm chip scale package (CSP) and is powered from a single 1.8V supply delivering industry’s leading low power consumption. The device is controlled through a 2-wire serial interface.


Additional features are:


  • Supports -40 °C to +85 °C case temperature
  • Reference-free CDR
  • Extracted clock output fb/2, fb/8, fb/32 or fb/40 (Monitor clock)
  • Integrated PRBS Generator and Checker
  • Programmable LOS threshold


Application examples:


  • Optical Modules CFP-2, CFP-4, QSFP+
  • 100-Gigabit Ethernet 100GbE
  • Active Optical Cables


For further information please contact Joachim Strohschenk.

MACOM M37046: Four channel 25G / 28G CDR
MACOM M37046: Four channel 25G / 28G CDR
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