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Product details

Parameters

Type CDR and transceiver Data rate (Max) (Gbps) 10 Features 2-wire digital interface control, APC loop, CDR bypass modes, Optical and electrcial loopback modes, Pin compatible to the ONET1130EP, TX input equalizer ICC (Typ) (mA) 200 Imod (mA) 150 ICC (Max) (mA) 200 DJ (Typ) (ps) 4 Operating temperature range (C) -40 to 100 open-in-new Find other Optical networking ICs

Package | Pins | Size

VQFN (RSM) 32 16 mm² 4 x 4 open-in-new Find other Optical networking ICs

Features

  • Modulator Driver with Minimum Output Amplitude up to 2 Vpp Single-Ended and Bias Current up to 150 mA Source
  • Supports Externally Modulated Lasers Including the Electro-Absorption Modulator Lasers (EML) and the Mach-Zahnder Modulator (MZM) Based lasers
  • Integrated CDR with 9.80 – 11.7 Gbps Reference-Free Operation
  • Two-Wire Digital Interface with Integrated DACs and ADC for Control and Diagnostic Management
  • Output Polarity Select
  • Programmable Jitter Transfer Bandwidth to Adjust CDR Bandwidth
  • CDR Bypass Mode for Low Data Rate Operation
  • Automatic Power Control (APC) Loop with Selectable Monitor PD Range
  • Programmable Transmit Input Equalizer
  • Transmitter Cross-Point Adjust and De-Emphasis
  • Includes Laser Safety Features
  • Power Supply Monitor and Temperature Sensor
  • Single 2.5 V Supply
  • –40°C to 100°C Operation
  • Surface Mount 4 mm × 4 mm 32-Pin QFN Package with 0.4 mm Pitch
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Description

The ONET1131EC is a 2.5-V EML modulator driver with transmit clock and data recovery (CDR) designed to operate between 9.8 Gbps and 11.7 Gbps without the need for a reference clock. CDR bypass mode can be used for operation at lower data rates and a two-wire serial interface allows digital control of features like output polarity select and input equalization.

The transmit path consists of an adjustable input equalizer for equalization of up to 300 mm (12 inches) of microstrip or stripline transmission line of FR4 printed circuit boards, a multi-rate CDR and an output modulator driver. Output waveform control, in the form of cross-point adjustment and de-emphasis, is available to improve the optical eye mask margin. The device provides bias current for the laser and an integrated automatic power control (APC) loop to compensate for variations in average optical power over voltage, temperature and time.

The ONET1131EC contains internal analog to digital and digital to analog converters to support transceiver management and eliminate the need for special purpose microcontrollers.

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Technical documentation

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Type Title Date
* Datasheet ONET1131EC Externally Modulated Laser Driver With Integrated Clock and Data Recovery (CDR) datasheet (Rev. A) Sep. 30, 2016
User guide ONET1131EC EVM User's Guide Oct. 10, 2016

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VQFN (RSM) 32 View options

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