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參數(shù)資料
| 型號： | CXA2640ER |
| 廠商： | Sony Corporation |
| 英文描述： | 3-Channel 2-LD Driver for Optical Disc Drive |
| 中文描述： | 3通道2激光器的光盤驅(qū)動器驅(qū)動程序 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 166K |
| 代理商： | CXA2640ER |
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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
Storage temperature
Allowable power dissipation
Vcc
Tstg
5.5
V
–65 to +150
°C
P
D
TBD
Operating Conditions
Supply voltage
Operating temperature Topr
Vcc
4.5 to 5.5
–10 to +75
V
°C
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