PHY1040
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PHY1040

125Mbps to 1.25Gbps VCSEL/Laser Driver and Postamplifier

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Low-Cost Programmable 1.25G Transceiver

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Part Details
Part Models 2
1ku List Price
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Features
  • Common Anode VCSEL Driver Output Stage with 32mA max Modulation Drive and 20mA Bias Current
  • Continuous-Mode Laser Driver with Up to 80mA Modulation and 90mA Bias Current
  • Closed or Open-Loop Bias Mode with Temperature Lookup Table
  • Temperature-Compensated Modulation Current
  • Limiting Amplifier with Programmable Lowpass Filter and Output Swing
  • Device Settings Stored in External 2k EEPROM
Additional Details
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The PHY1040-01 is a continuous-mode VCSEL/laser driver and limiting amplifier for use within fiber optic modules for SFP and SFF applications. Used with the PHY1095-01 transimpedance amplifier and a low-cost serial EEPROM or microcontroller, the device forms a complete SFP module solution. The transmit section integrates a modulator output stage optimized as a laser or VCSEL driver in common anode configurations.

The bias current can be controlled either by a fast-settling APC loop or in open-loop mode, which uses a temperature lookup table. The receiver includes a limiting amplifier with programmable bandwidth. A signal-detect/loss-of-signal function is implemented using the input-signal modulation amplitude with user-selectable threshold and hysteresis.

Operating with a 3.3V supply and rated from the -40°C to +95°C ambient operating temperature range, the PHY1040-01 is housed in a 32-pin, 5mm x 5mm, RoHS-compliant QFN package.

Applications

  • Fast Ethernet
  • Gigabit Ethernet
  • OC-3
Part Models 2
1ku List Price
price unavailable

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
PHY1040-01QT-BR
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  • HTML
PHY1040-01QT-RR
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Software & Part Ecosystem

Software & Part Ecosystem

Tools & Simulations

Tools & Simulations 1

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