el6934 Intersil Corporation, el6934 Datasheet

el6934

Manufacturer Part Number

el6934

Description

Laser Diode Driver With Waveform Generator

Manufacturer

Intersil Corporation

Datasheet

1.EL6934.pdf (2 pages)

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Download datasheet (88Kb)

Laser Diode Driver with Waveform

Generator

It accomplishes this by incorporating a waveform generator

wherein the diode currents and timing details can be

programmed before operation. The data input circuitry

inspects the NRZ serial data waveform and generates

programmed waveforms in recognition of 3, 4, 5, or 6 or

more clock periods of space changing to 3, 4, 5, or 6 or more

clock periods of mark, and vice versa.

The architecture allows reprogramming of the timers to

support different media, Blue, DVD, or CD standards, and

different speeds. The programming is accomplished through

a serial interface port. Two outputs are provided to support

dual-laser multi-standard optical heads. The clock and NRZ

inputs can be either standard CMOS or LVDS, selectable

through a program bit.

The EL6934 requires 2.5V and 5V supplies, with all the

logical interface operating on the 2.5V supply.

Ordering Information

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.

EL6934CLZ

(Note)

EL6934CLZ-T7

(Note)

EL6934CLZ-T13

(Note)

PART NUMBER

32-Pin QFN

PACKAGE

(Pb-Free)

The EL6934 is a highly integrated

laser diode driver designed to support

multi-standard writable optical drives.

TAPE &

REEL

Data Sheet

13”

7”

PKG. DWG. #

MDP0046

1-888-INTERSIL or 321-724-7143

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

Features

• Complete programmable laser diode driver

• 450mA maximum total output

• 10-bit x 10-bit multiplying DAC output provides 10-bit full

• 60 psec timer resolution

• Two laser outputs allows read/write DVD and CD

• Programmable waveform values support CD-R, CD-RW,

• Two analog inputs support slope and read APC

• HFM oscillator programmable to 100mA

• PLL allows reduced-frequency clock on flex cable

• Separate serial input works up to 100MHz

• Programmable HFM offset when HFM is off

Applications

• Combination DVD writable and CD writable drives

• DVD camcorders

• DVD video recorders

scale adjustment and 10-bit resolution at any full scale

output

combinations

DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, and

Blue

to 500MHz

GET FULL DATASHEET

March 17, 2004

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

Intersil (and design) is a registered trademark of Intersil Americas Inc.

P-P

EL6934

from 100MHz

FN7407

Related parts for el6934

el6934 Summary of contents

Page 1

... Two outputs are provided to support dual-laser multi-standard optical heads. The clock and NRZ inputs can be either standard CMOS or LVDS, selectable through a program bit. The EL6934 requires 2.5V and 5V supplies, with all the logical interface operating on the 2.5V supply. Ordering Information TAPE & ...

Page 2

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 2 EL6934 ...

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