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CXA2640ER Fiches technique(PDF) 1 Page - Sony Corporation

No de pièce CXA2640ER
Description  3-Channel 2-LD Driver for Optical Disc Drive
Download  17 Pages
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Fabricant  SONY [Sony Corporation]
Site Internet  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXA2640ER Fiches technique(HTML) 1 Page - Sony Corporation

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E02223A3Z
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
CXA2640ER
24 pin VQFN (Plastic)
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.
• Timing input for generating write waveform can be
adapted to both differential input (LVDS/LVPECL)
and single end input (3.3V CMOS/TTL).
• Single 5V power supply
Applications
CD-R, CD-RW, DVD-R, DVD+RW, DVD-RW and
DVD-RAM for high-speed writeable optical disc
drives
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
Vcc
5.5
V
• Storage temperature
Tstg
–65 to +150
°C
• Allowable power dissipation
PD
TBD
Operating Conditions
• Supply voltage
Vcc
4.5 to 5.5
V
• Operating temperature Topr
–10 to +75
°C


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