Datasheet > 驱动程序和接口 > 其他接口集成电路> EL6275CU

EL6275CU

更新时间： 2024-11-17 23:14:47

品牌	Logo	应用领域
ELANTEC		振荡器驱动器驱动程序和接口二极管激光二极管接口集成电路光电二极管局域网
页数	文件大小	规格书
2页	138K
描述
4-Channel Laser Diode Driver Oscillator

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EL6275CU 技术参数

生命周期：	Transferred	包装说明：	QSOP-16
Reach Compliance Code：	unknown	风险等级：	5.68
Is Samacsys：	N	接口集成电路类型：	INTERFACE CIRCUIT
JESD-30 代码：	R-PDSO-G16	长度：	4.9022 mm
功能数量：	1	端子数量：	16
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	座面最大高度：	1.7272 mm
最大供电电压：	5.5 V	最小供电电压：	4.5 V
标称供电电压：	5 V	表面贴装：	YES
温度等级：	COMMERCIAL	端子形式：	GULL WING
端子节距：	0.635 mm	端子位置：	DUAL
宽度：	3.9116 mm	Base Number Matches：	1

EL6275CU 数据手册

EL6275C - Product Brief

4-Channel Laser Diode Driver + Oscillator

Features

General Description

• Shrink-Small Outline Package

The EL6275C is a four channel laser diode current amplifier that pro-

vides controlled current to a grounded laser diode. Channels 2, 3, and

4 should be used as the write channels, with switching speeds of

approximately three nanosecond rise/fall time. All four channels are

summed together at the I_OUToutput, allowing the user to create multi-

level waveforms in order to optimize laser diode performance. The

level of the output current is set by an analog voltage applied to an

external resistor which converts the voltage into a current at the I_INpin

(virtually ground). The current seen at this pin is then amplified to

• Voltage-controlled output current

source requiring one external set

resistor per channel

• Current-controlled output current

source

• Rise time = 3.0ns

• Fall time = 3.5ns

• On-chip oscillator with frequency

and amplitude control by use of

external resistors to ground

become a current source at pin I_OUT

An on-chip 500MHz oscillator is provided to allow output current

modulation when in any mode. This is turned on when the OSCEN pin

is held high. Complete control of amplitude and frequency is set by

two external resistors connected to ground at pins RFREQ and RAMP

(see graphs in this data sheet for further explanation).

• Oscillator to 500MHz

• Oscillator to 100mA pk/pk

• Single +5V supply (±10%)

• Current amplification = 100

• Disable feature for power-up

protection and power savings

• TTL/CMOS control signals

Output current pulses are enabled when an ‘L’ signal is applied to the

OUTEN pin. No output current flows when OUTEN is ‘H’ and addi-

tional laser diode protection is provided since the OUTEN input will

float high when open. Complete I_OUTshutoff is also achieved by hold-

ing the ENABLE pin low, which will override all other control pins.

Applications

• CD-RW applications

• Writable optical drives

• Laser diode current switching

The external resistors allow the user to accurately and independently

set each amplifier transconductance by applying a voltage to each

resistor, without restriction on the voltage range, thus ensuring broad

voltage DAC compatibility. Alternatively, the I_INpin can be biased

from a current DAC or other current source.

Ordering Information

Connection Diagram

Part No

Package

Tape & Reel

Outline #

EL6275CU

QSOP-16

MDP0040

IINR

VCC 16

VCC 15

IIN2

RFREQ

IIN3

IOUT 14

GND 13

IIN4

RAMP 12

ENABLE 11

OSCEN 10

OUTEN2

OUTEN3

OUTEN4

VCC

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EL6275CU相关器件

型号	品牌	获取价格	描述	数据表
EL6276C	ELANTEC	获取价格	4-Ch Laser Diode Driver Oscillator
EL6276CU	ELANTEC	获取价格	4-Ch Laser Diode Driver Oscillator
EL6277C	ELANTEC	获取价格	3-Channel Laser Diode Driver Oscillator
EL6277CU	ELANTEC	获取价格	3-Channel Laser Diode Driver Oscillator
EL6279C	ELANTEC	获取价格	4-Ch Laser Diode Driver Oscillator
EL6279CU	ELANTEC	获取价格	4-Ch Laser Diode Driver Oscillator
EL6280C	ELANTEC	获取价格	Dual Laser Driver with APC Amp
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

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