Optical module

Products and reference designs

Optical module

Block diagram

Overview

Integrated circuits and reference designs help you create a smaller and faster optical module design used in high-bandwidth data communication applications. Whether you are creating a 100-Gbps or 400-Gbps, small form-factor pluggable (SFP) module, SFP+ transceiver, XFP module, CFP, X2/XENPAK module or other advanced fiberoptic module, we have the right ingredients to help you deliver what is next in 5G.

Design requirements

Modern optical module designs often require:

  • Reduced power consumption to control and limit module temperature rise.
  • Dynamic and precise control of laser diodes to regulate output power.
  • Accurate photodiode-based light sensing and biasing.

Block diagram

Find products and reference designs for your system.

Datacom Optical Module

3.3V 3.3V RX RX xN xN TX TX xN xN xM xM xM xM Optical (Fiber) Optical (Fiber) Electrical Electrical M = number of optical lanes M = number of optical lanes N = Number of Electrical lanes N = Number of Electrical lanes Power Power DC/DC module DC/DC module Buck converter Buck converter LDO LDO Supervisor/reset Supervisor/reset Protection Protection Load switch Load switch Miscellaneous Miscellaneous Temp sense Temp sense FET FET Switch Switch Measurement feedback Measurement feedback ADC ADC MCU MCU MCU MCU Level translator Level translator Logic Logic I2C level shift I2C level shift SerDes, clock data recovery & laser driver SerDes, clock data recovery & laser driver Clock oscillator Clock oscillator VREF VREF De-serializer De-serializer Serializer Serializer Laser driver Laserdriver FET FET DAC DAC OPA OPA Clock data recovery (CDR) Clock data recovery (CDR) Clock data recovery (CDR) Clock data recovery (CDR) Photo diode bias Photo diode bias Boost or buck-boost Boost or buck-boost INA INA OPA OPA DAC DAC Externally modulated laser electro absorption bias Externally modulated laser electro absorption bias Inverting buck-boost Inverting buck-boost INA INA OPA OPA DAC DAC Transmitter optical sub assembly (TOSA) Transmitter optical sub assembly (TOSA) Laser (EML, DML or VCSEL) Laser(EML, DML or VCSEL) TEC TEC Buck-boost Buck-boost Receiver optical sub assembly (ROSA) Receiver optical sub assembly (ROSA) Photo diode (pin or APD) Photodiode(pin or APD) TIA TIA OPA OPA INA INA Boost Boost

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