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AD9662 - 3-Channel Laser Diode Driver

General Description

The AD9662 is a laser diode driver for high performance CD and DVD recordable drives.

Key Features

  • Current-controlled current source with 3 input channels Output current for Channel 3.
  • 315 mA Output current for other channels.
  • 210 mA Rise time/fall time of 0.8 ns On-chip oscillator Single 5 V power supply (±10%) Low output overshoot Low power consumption.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FEATURES Current-controlled current source with 3 input channels Output current for Channel 3—315 mA Output current for other channels—210 mA Rise time/fall time of 0.8 ns On-chip oscillator Single 5 V power supply (±10%) Low output overshoot Low power consumption APPLICATIONS CD-RW drives DVD-RW, DVD+RW, MO drives Laser diode current switching GENERAL DESCRIPTION The AD9662 is a laser diode driver for high performance CD and DVD recordable drives. It includes three channels for three different optical power levels: the read channel generates a continuous output power level, whereas Channel 2 and Channel 3 are used as write channels having 0.8 ns rise/fall times. All channel currents are summed at the IOUT pin.