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CXA2640ER - 3-Channel 2-LD Driver

General Description

The CXA2640ER is a laser driver IC capable of driving two high output lasers (CD/DVD) for writeable optical discs.

Key Features

  • CD maximum drive current: 300mA DVD maximum drive current: 250mA.
  • Capable of generating three-value write waveform through control of one read channel and two write channels.
  • Rise/Fall times = 1ns.
  • Read Channel: ×100.
  • Write Channel: ×840 (CD), ×400 (DVD).
  • Read channel has extensive low-noise design 1.5nA/√Hz (@20MHz, ILD = 35mA, IMOD = 40mAp-p).
  • Internal high frequency modulator circuit Frequency variable range: 200 to 600MHz Maximu.

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www.DataSheet4U.com CXA2640ER 3-Channel 2-LD Driver for Optical Disc Drive Description The CXA2640ER is a laser driver IC capable of driving two high output lasers (CD/DVD) for writeable optical discs. Features • CD maximum drive current: 300mA DVD maximum drive current: 250mA • Capable of generating three-value write waveform through control of one read channel and two write channels • Rise/Fall times = 1ns • Read Channel: ×100 • Write Channel: ×840 (CD), ×400 (DVD) • Read channel has extensive low-noise design 1.5nA/√Hz (@20MHz, ILD = 35mA, IMOD = 40mAp-p) • Internal high frequency modulator circuit Frequency variable range: 200 to 600MHz Maximum modulator current amplitude: 100mAp-p Can be set separately for CD and DVD.