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VL1503


VL1503 is a highly-integrated 10Gb/s VCSEL driver (VD), limiting amplifier (LA) for fiber channel and SFP+ applications. VL1503 also integrates an 8051-core MCU, ADC, Temperature Sensor, and an internal 1M-bit self-programmable flash memory for realizing


Features

  • 10Gbps VCSEL driver up to 24mA modulation current and 24mA bias current

  • Closed or open loop bias mode

  • Laser safety feature included

  • 10Gbps limiting amplifier

  • Adjustable LA LOS threshold

  • Digitally adjustable LA output voltage from 200 mV to 850 mV

  • Selectable LA output pre-emphasis

  • Adjustable LA output cross point

  • Low power consumption

  • Internal squelching function to disable LA output

  • Output polarity control

  • Integrated 8051-Core MCU

  • Integrated 1M-bit flash memory and 16K bytes SRAM

  • I2C slave interface

  • JTAG (IEEE std.1149.1) interface

  • Integrated 12-bit ADC

  • Integrated temperature sensor

  • Single +3.3V supply

  • 5mm×5mm 32-Pin QFN package


Applications

  • 10G Ethernet

  • SFP+ optical receiver modules

  • Fiber channel

  • SONET OC-192


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