Datasheet > EL6839CLZ-T7

EL6839CLZ-T7

更新时间： 2024-09-23 21:54:35

品牌	Logo	应用领域
英特矽尔 - INTERSIL		振荡器驱动器
页数	文件大小	规格书
2页	103K
描述
Dual 4-Channel Driver with Oscillator and LVDS

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EL6839CLZ-T7 数据手册

EL6839

Data Sheet

July 15, 2004

FN7227.2

PRELIMINARY

Dual 4-Channel Driver with Oscillator and

LVDS

Features

• Two channels for CD or DVD

The EL6839 is a high performance,

dual output, laser driver for writeable

DVD drives. The ENA pin enables the

• Voltage-controlled output current source requiring one

external set resistor per channel

• LVDS interface

• Rise time = 0.8ns

• Fall time = 0.8ns

• Channel 2 to 250mA max

• Channel 3 to 150mA max

• Channel 4 to 100mA max

• External 100Ω LVDS termination

• On chip oscillator with frequency and amplitude control by

use of external resistors to ground

chip, while the SEL1 pin selects the I

pin. Various

OUT

waveforms can be generated where the amplitude is

determined by the currents flowing into I , I , I , and

INR IN2 IN3

. The timing is determined by the signals at WEN2-

IN4

WEN2B, WEN3-WEN3B, and WEN4-WEN4B. The oscillator

is enabled when OSEN is high. The amplified I current of

INR

the selected channel is enabled when the ENA pin is high.

The total output current is the sum of the read current, the

enabled write currents, and the oscillator current when

enabled.

• Oscillator frequency to 600MHz

Usually a voltage DAC will drive a resistor that is in series

with the I

, I , I , and I

input. The resistor allows

• Oscillator amplitude to 100mA

INR IN2 IN3

IN4

P-P

the user to optimize the current gain for each channel.

• Single +5V supply (±10%)

• Chip ENAs for power savings

• Pb-free available

WEN2-WEN2B, WEN3-WEN3B and WEN4-WEN4B are

LVDS input pins with 100Ω external termination. Output write

current pulses are enabled when a high is applied to the

WEN2-WEN2B, WEN3-WEN3B, or WEN4-WEN4B pin. The

write current will flow to the selected output. When SEL1 is

Applications

• Super combo drives

• DVD drives

high I

is selected. WENRB enables read and oscillator

OUT1

current when low.

The RF oscillators frequency is determined by R

FREQ1

, and its amplitude by R

or R .

AMP2

FREQ2

AMP1

Ordering Information

PART

NUMBER

EL6839CL

TEMP. RANGE

32-Pin QFN

PACKAGE

PKG. DWG. #

MDP0046

7”

13”

EL6839CL-T7

EL6839CL-T13

Get FULL DATASHEET

EL6839CLZ

(See Note)

32-Pin QFN

(Pb-free)

EL6839CLZ-T7

(See Note)

32-Pin QFN

(Pb-free)

7”

MDP0046

EL6839CLZ-

T13 (See Note)

32-Pin QFN

(Pb-free)

13”

NOTE: Intersil Pb-free products employ special Pb-free material

sets; molding compounds/die attach materials and 100% matte tin

plate termination finish, which is compatible with both SnPb and

Pb-free soldering operations. Intersil Pb-free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed

the Pb-free requirements of IPC/JEDEC J Std-020B.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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