Datasheet > EL6280C

EL6280C

更新时间： 2024-11-20 23:14:47

品牌	Logo	应用领域
ELANTEC		驱动器放大器 PC
页数	文件大小	规格书
2页	140K
描述
Dual Laser Driver with APC Amp

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EL6280C 数据手册

EL6280C - Product Brief

Dual Laser Driver with APC Amp

Features

General Description

• Read + 3Write Channel laser

driver with oscillator and fast I/V

amplifier plus a separate ROM

laser driver with oscillator

The EL6280C is a combination read + 3 write level laser driver and IV

amplifier, with an extra read + oscillator ROM channel for use in dual-

laser ‘Combo’ drivers. A separate (amplitude and frequency) oscilla-

tor modulates the selected output for laser noise reduction during read

or write. All these functions are provided in a 24 lead QSOP package.

• 200V/µs I/V amplifier

• 100X gain, 100mA low noise read

channel

• 200X gain, 200mA write channel

plus two 100X gain, 100mA write

channels

• 500MHz, 100mA_P-POscillator

• Write Rise/Fall times = 0.8ns

• Single +5V supply

The CD pin when high selects the CD (write) laser. Positive current

supplied to the IIN lines, through a user selected resistor, allow the full

scale range of each amplifier to be matched to the full scale range of

the users control DACs. When the write laser is selected, and the

WEN pins are switched low, the respective current is summed to the

output with 1ns rise and fall times. Write channel 2 has 200mA output

capability with an 200X gain amplifier.

The 100mA_P-P(max) oscillator is switched on and off by the OSCEN

line. The CD line allows the oscillator to operate at different ampli-

tudes and frequencies for each laser.

Applications

• Combo CD-RW + DVD-ROM

• CD-RW to 16X

• CD-R to 32X

The entire chip is powered down when ENABLE is low. The user can

define the gain of the I/V amplifier. With a slew rate of 200V/µs, the

I/V amplifier can normally settle to 1% within 30ns.

• Writable Optical Disk Drives

Connection Diagram

Ordering Information

Part No.

EL6280CU

EL6280CL

Temp. Range

Package

QSOP-24

LPP-24

Outline #

MDP0040

MDP0046

VOUT

VREF

IINR

IIN2

PDIN 24

0°C to +70°C

VDD 23

VDD 22

IIN2

RF1

19 VCC

IOUT1 21

GND 20

18 IOUT1

17 GND

RF1

IIN3

IIN4

RF2

IIN3

GND 19

16 GND

IIN4

RAMP1 18

RAMP2 17

ENABLE 16

OSCEN 15

IOUT2 14

VDD 13

15 RAMP1

14 RAMP2

13 ENABLE

RF2

WEN2

10 CD

11 WEN3

12 WEN4

Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these

specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.

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与EL6280C相关器件

型号	品牌	获取价格	描述	数据表
EL6280CL	ELANTEC	获取价格	Dual Laser Driver with APC Amp
EL6280CU	ELANTEC	获取价格	Dual Laser Driver with APC Amp
EL6281	ELANTEC	获取价格	4-Channel Laser Driver with APC Amp
EL6281C	ELANTEC	获取价格	4-Channel Laser Driver with APC Amp
EL6281CL	ELANTEC	获取价格	4-Channel Laser Driver with APC Amp
EL6281CU	ELANTEC	获取价格	4-Channel Laser Driver with APC Amp
EL6283C	ELANTEC	获取价格	3-Channel Laser Diode Driver w/Oscillator & APC Amplifier
EL6283CU	ELANTEC	获取价格	3-Channel Laser Diode Driver w/Oscillator & APC Amplifier
EL6286C	ELANTEC	获取价格	4-Ch Laser Diode Driver + Oscillator
EL6286CU	ELANTEC	获取价格	4-Ch Laser Diode Driver + Oscillator

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