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AN8725FH - Semiconductor laser power controller

Description

Note) Description on notations of "Category" in the following list: IN : Input pin I/O : Input/output pin (pull-down with 100 k Ω) IND : Input pin (pull-down with 100 kΩ) PS : Power supply/GND pin INU : Input pin (pull-up with 100 kΩ) MSC : Parts connecting pin, etc.

Features

  • Digital setting of playback current, peak current, bias current and abnormal light emitting level.
  • Peak current and bias current can be modulated by the external signal.
  • Driving current set-up (digital set-up) For playback: 8-bit + 4-bit (0 mA to 80 mA) 5-bit + 4-bit (0 mA to 150 mA) For peak: 4-bit + 8-bit (0 mA to 150 mA) For bias: 4-bit + 8-bit (0 mA to 150 mA).
  • Laser output light monitoring circuit built-in.
  • Abnormal light emitting detecting fun.

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Datasheet Details

Part number AN8725FH
Manufacturer Panasonic
File Size 197.34 KB
Description Semiconductor laser power controller
Datasheet download datasheet AN8725FH Datasheet

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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ICs for Optical Disk Drive AN8725FH Semiconductor laser power control IC s Overview The AN8725FH is a laser driver IC that can set a laser emitting level to a maximum precision in recording and playback of an optical recording equipment such as PD, and can modulate a laser light in tune with the external signal. 14.00±0.20 12.00±0.20 60 61 41 40 (1.25) 12.00±0.20 14.00±0.20 21 0.90±0.10 1.95±0.20 1 (1.25) 0.50 20 0.18 +0.10 –0.05 Unit: mm s Features • Digital setting of playback current, peak current, bias current and abnormal light emitting level • Peak current and bias current can be modulated by the external signal.