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T0820 Datasheet 4 CHANNEL LASER DRIVER

Manufacturer: Atmel (now Microchip Technology)

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General Description

The T0820 is a laser diode driver for the operation of a grounded laser diode for writable optical drives.

It includes four channels for four different optical power levels which are controlled by a separate IC.

The read channel generates a continuous output level whereas channels 2 to 4 are provided as write channels with very fast switching speeds.

Key Features

  • Current-controlled Output Current Source with 4 Input Channels.
  • Low-power Consumption.
  • Output Current up to 150 mA, Read Channel and Channel 2.
  • Output Current up to 200 mA, Channel 3 and Channel 4.
  • Total Output Current to 300 mA.
  • Rise Time 1.0 ns, Fall Time 1.1 ns.
  • On-chip RF Oscillator.
  • Control Frequency and Swings by Use of 2 External Resistors.
  • Oscillator Frequency Range from 200 MHz to 600 MHz.
  • Oscilla.

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