Optical network terminal unit (ONT)

Products and reference designs

Optical network terminal unit (ONT)

Block diagram


Our integrated circuits and reference designs help you create optical network terminal (ONT) units that enable high-speed data connections for today's passive optical networks. Use the resources below to design a system with our most advanced microcontroller, interface and power delivery technologies.

Design requirements

Modern ONT units often require:

  • An RF transceiver with integrated microcontroller for 802.11 standard compliance.
  • Gigabit Ethernet link for high-speed data connections.
  • Efficient, low-standby Power over Ethernet (PoE) pass-through to power peripheral devices.

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Block diagram

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Technical documentation

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Type Title Date
Application note Programming Fun Lights With TI's TCA6507 30 Nov 2007
Analog Design Journal System telemetry: What, why and how? 30 Apr 2014
Application brief DACx1416 Delivers Optimized Solution to Mach Zehnder Modulator Biasing 29 Jun 2018
Application note Why, When, and How to use I2C Buffers 16 Jul 2018
Application note Digital Interfaces for Current Sensing Devices (Rev. A) PDF | HTML 08 May 2022
Application brief Integrating the Current Sensing Resistor (Rev. D) PDF | HTML 07 Apr 2023
Application note Choosing the Correct I2C Device for New Designs PDF | HTML 03 Jul 2018
Application brief High-Density DACs Offer Superior Noise And Accuracy for Laser Drive Applications 02 Oct 2018

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