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Inter-DC interconnect (long-haul, submarine)

Products and reference designs
Block diagram

Inter-DC interconnect (long-haul, submarine)

Block diagram

Overview

Our integrated circuits and reference designs help you create long-haul, inter-datacenter (DC) and submarine interconnect optical transport equipment with ultra-high bandwidth and low power consumption. Use the interactive system diagram below to design high-speed, long-haul optical equipment.

Design requirements

Modern inter-DC interconnect (long-haul, submarine) optical networking systems require:

  • High-speed and high-resolution data converters.
  • Best-in-class signal integrity.
  • Efficient DC/DC converters to power the latest-generation ASICs, FPGAs and CPUs.
Explore applications similar in function and design

Block diagram

Find products and reference designs for your system.

Inter-DC interconnect (long-haul, submarine)

Bus Converter (Optional) Bus Converter (Optional) eFuse eFuse Brick Power Module Brick Power Module AC AC HV DC Bus HV DC Bus -48V -48V GbE GbE OC-x OC-x FC FC SDI SDI Etc. Etc. CLIENT INTERFACE CLIENT INTERFACE JTAG JTAG 100G 100G 100G 100G 100G 100G 100G 100G N+1 PSU N+1 PSU DC/DC DC/DC IBV1 IBV1 Hot Swap Controller Hot Swap Controller AC/DC AC/DC IBV1 IBV1 I2C Digital Isolator I2C Digital Isolator ORing ORing FETs FETs IBV2 IBV2 POL Power (FPGA, ASIC, Merchant Si, Clocks, etc.) POL Power (FPGA, ASIC, Merchant Si, Clocks, etc.) Converter Converter LDO LDO Multiphase Controller Multiphase Controller Power Stage Power Stage Module Module CPU & Memory Power CPU & Memory Power Multiphase Controller Multiphase Controller Power Stage Power Stage Converter Converter DDR Termination DDR Termination Buck/Boost Buck/Boost Sequencing & Monitoring Sequencing & Monitoring Logic Logic Power On Reset Power On Reset Sequencer Sequencer MCU MCU Client Side Client Side FPGA / ASIC FPGA /ASIC Switch Fabric Switch Fabric SFP/XFP SFP/XFP SFP/XFP SFP/XFP SFP/XFP SFP/XFP SFP/XFP SFP/XFP SFP/XFP SFP/XFP eFuse eFuse PHY PHY Network Synchronizer Network Synchronizer Clock Buffer Clock Buffer Level Shift Level Shift Retimer/Redriver Retimer/Redriver ESD ESD Logic Logic Retimer Retimer I2C/SPI Functions I2C/SPI Functions DDR Memory DDR Memory Processor Processor SPI MUX SPIMUX INA INA Line Side (1 ROADM, 4x100G Optical Connections) Line Side (1 ROADM, 4x100G Optical Connections) LINE INTERFACE (OPTICAL) LINE INTERFACE (OPTICAL) Processor Processor Clock Buffer Clock Buffer Temp Sense Temp Sense MCU MCU Retimer/Redriver Retimer/Redriver ESD ESD Level Shift Level Shift I2C/SPI Functions I2C/SPI Functions DDR Memory DDR Memory OPA OPA OPA OPA INA INA DRV DRV TEC TEC MUX MUX Network Synchronizer Network Synchronizer RF Synthesizer RF Synthesizer FPGA / ASIC / DSP FPGA /ASIC / DSP DAC DAC ADC ADC eFuse eFuse CFP2-ACO Optical Module (DP-QPSK w/ Mach Zehnder Modulation) CFP2-ACO Optical Module(DP-QPSK w/ Mach Zehnder Modulation) CFP2-ACO Optical Module (DP-QPSK w/ Mach Zehnder Modulation) CFP2-ACO Optical Module(DP-QPSK w/ Mach Zehnder Modulation) CFP2-ACO Optical Module (DP-QPSK w/ Mach Zehnder Modulation) CFP2-ACO Optical Module(DP-QPSK w/ Mach Zehnder Modulation) I2C/SPI Functions I2C/SPI Functions CFP2-ACO Optical Module (DP-QPSK w/ Mach Zehnder Modulation) CFP2-ACO Optical Module(DP-QPSK w/ Mach Zehnder Modulation) Controller Card Controller Card FPGA / ASIC / CPU FPGA /ASIC / CPU Processor Processor DDR Memory DDR Memory Level Shift Level Shift Logic Logic I2C/SPI Functions I2C/SPI Functions Network Synchronizer Network Synchronizer Clock Buffer Clock Buffer SPI MUX SPIMUX Oscillator Oscillator Erbium Doped Fiber Amplifier (EDFA) Erbium Doped Fiber Amplifier (EDFA) Logic Logic FPGA / ASIC / DSP FPGA /ASIC / DSP Processor Processor Level Shift Level Shift DDR Memory DDR Memory DRV DRV TEC TEC LOG LOG REF REF ADC ADC DAC DAC OPA OPA Laser Diode Laser Diode Output Output ADC ADC LOG LOG Temp Sense Temp Sense REF REF Fan Control Fan Control Temp Sense Temp Sense eFuse eFuse Digital Isolator Digital Isolator MCU MCU I2C/SPI Functions I2C/SPI Functions LED Driver LED Driver LED Driver LED Driver Shift Register Shift Register Logic Logic Front Port Controller Front Port Controller IO (JTAG, RS232, RS485, USB, Bluetooth) IO (JTAG, RS232, RS485, USB, Bluetooth) Zigbee/Bluetooth Low Energy Zigbee/Bluetooth Low Energy ESD ESD Buffer Buffer Current Limit Switch Current Limit Switch USB Signal Conditioner USB Signal Conditioner ESD ESD RS-485 RS-485 RS-232 RS-232 JTAG MUX JTAG MUX

Technical documentation

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Type Title Date
Application brief DACx1416 Delivers Optimized Solution to Mach Zehnder Modulator Biasing 29 Jun 2018
Application note How to use the LMK05318 as a jitter cleaner 27 Feb 2019
Application note Transimpedance Considerations for High-Speed Operational Amplifiers 20 Nov 2009
Application note A Reference Design for DWDM Pump Lasers (Rev. A) 17 Mar 2005
White paper Overcurrent protection enables more efficient and reliable systems 16 May 2016
Application note TI Network Synchronizer Clock Value Adds in Communications and Industrial Applic 12 Apr 2018
Application note Supported synchronization modes for TI network synchronizers (Rev. A) 11 May 2022
Application note Understanding clocking needs for high-speed 56G PAM-4 serial links (Rev. A) 11 May 2022
Analog Design Journal Understanding thermal-resistance specification of DC/DC convert. w/ MOSFETs 08 Jan 2018
Application brief High-Density DACs Offer Superior Noise And Accuracy for Laser Drive Applications 02 Oct 2018

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