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Part: EL6900CL
Category:
Description: Laser Diode Driver, Blu-ray Compliant, With Waveform Generator, 8x8 DAC
Company: Intersil Corporation
Datasheet: Download EL6900CL datasheet File size : 84 kB
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Datasheet text preview:
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EL6900C
Laser Diode Driver with Waveform Generator
EL6900C
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PRODUCT BRIEF
Features
· Complete programmable laser diode driver · 350mA maximum total output · 8bit x 8bit multiplying DAC output provides 8bit full scale adjustment and 8bit resolution at any full scale output · 120ps timer resolution · Blu-Ray Disc standard · Two analog inputs support slope and read APC · HFM oscillator programmable to 100mAP-P from 100MHz to 500MHz · PLL allows reduced-frequency clock on flex cable · Separate serial input works up to 25MHz · Dual sampled IV amplifier with programmable sample select and gain select · Programmable HFM offset when HFM is off
General Description
The EL6900C is a highly integrated laser diode driver designed to supp o r t Blu-Ray writable optical drives. It accomplishes this by incorporating a waveform generator wherein the diode currents and timing details can be programmed before operation. The data input circ u i t r y inspects the NRZ serial data waveform and generates programmed waveforms in recognition of 2, 3, 4, or 5 or more clock periods of space changing to 2, 3, 4, or 5 or more clock periods of mark, and vice versa. The part also has an IV amplifier with concurr e n t read and write sampling. The gains of the IV amplifier are programmable, eliminating the need for external potentiometers. The architecture allows reprogramming of all output waveform parameters. 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 EL6900C operates on a 5V supply for the analog circuits and a 3.3V supply for the digital circuits.
Connection Diagram
35 RGAINB 32 RGAINA 31 PDIN 30 VREF 29 VSO 28 IOUT1 27 IOUT1 26 GND Thermal Pad GND 7 25 VSO 24 VSO 23 IOUT2 34 VOUTB 33 VOUTA 38 SDIO 36 VSH 37 SEN
Applications
· Blu-Ray ultra-density optical (UDO) drives · Blu-Ray consumer HDTV video recorders
SCLK 1 MON1 2 RWB 3 NRZ 4 NRZB 5
Ordering Information
Part No EL6900CL Package 38-Pin LPP Tape & Reel Outline # MDP0046
GND 6
CLKB 8 CLK 9 VSL 10 VSL 11 VSA 12 LGB 13 RFREQ 14 IAPC 15 ISLOPE 16 PGND 17 GND 18 MON2 19
September 5, 2002
22 IOUT2 21 VSO 20 RSET
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-ELANTEC or 408-945-1323 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Elantec ® is a registered trademark of Elantec Semiconductor, Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved
EL6900C
Laser Diode Driver with Waveform Generator
EL6900C
PRODUCT BRIEF
Effective May 15, 2002, Elantec, a leader in high performance analog products, is now a part of Intersil Corporation. All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation's quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. 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
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Sales Office Headquarters
September 5,
NORTH AMERICA Intersil Corporation 7585 Irvine Center Drive Suite 100 Irvine, CA 92618 TEL: 949-341-7000 FAX: 949-341-7123
Elantec 675 Trade Zone Blvd. Milpitas, CA 95035 TEL: 408-945-1323 800: 888-ELANTEC FAX: 408-945-9305
EUROPE Intersil Europe Sarl Avenue William Fraisse 3 1006 Lausanne Switzerland TEL: +41-21-6140560 FAX: +41-21-6140579
ASIA Intersil Corporation Unit 1804 18/F Guangdong Water Bldg. 83 Austin Road TST, Kowloon Hong Kong TEL: +852-2723-6339 FAX: +852-2730-1433
Printed in U.S.A.
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