EL6935BCLZ Intersil Corporation, EL6935BCLZ Datasheet

EL6935BCLZ

Manufacturer Part Number

EL6935BCLZ

Description

Manufacturer

Intersil Corporation

Datasheets

1.EL6935B.pdf (2 pages)

2.EL6935BCL.pdf (2 pages)

Specifications of EL6935BCLZ

Case

QFN

Date_code

07+

Current page: 1 of 2
Download datasheet (83Kb)

Laser Diode Driver w/ Waveform Generator

The EL6935B is a highly integrated laser diode driver

designed to support multi-standard writable optical drives. It

accomplishes this by incorporating a waveform generator

wherein the diode currents and timing details can be

programmed before operation. The generator 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 part also has an IV

amplifier with concurrent read and write sampling. The gains

of the IV amplifier are programmable, eliminating the need

for external potentiometers.

The flexible architecture supports different media and

speeds for Blue, DVD, and CD standards. The programming

is accomplished through a serial interface port. The clock

and NRZ inputs can be either standard CMOS or LVDS,

selectable through a program bit.

The EL6935B operates on a 5V supply for the analog circuits

and a 2.5V supply for the digital circuits.

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.

EL6935BCL

EL6935BCL-T7

EL6935BCL-T13

EL6935BCLZ

(Note)

EL6935BCLZ-T7

(Note)

EL6935BCLZ-T13

(Note)

PART NUMBER

38-Pin QFN

PACKAGE

(Pb-Free)

TAPE &

Data Sheet

REEL

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

• Completely programmable laser diode driver

• 500mA maximum total output

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

• 55psec 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

• Dual sampled IV amplifier with programmable sample and

• Programmable DC output when HFM is off

• Pb-free available

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

gain selects

October 4, 2004

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

Get FULL DATASHEET

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

EL6935B

P-P

from 100MHz

FN7409.2

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