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EL6900CL-T13 Datasheet(PDF) 1 Page - Intersil Corporation |
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EL6900CL-T13 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 2 page 1 ® FN7275 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. Copyright © Intersil Americas Inc. 2003-2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. All other trademarks mentioned are the property of their respective owners. EL6900 Laser Diode Driver with Waveform Generator The EL6900 is a highly integrated laser diode driver designed to support 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 circuitry 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 concurrent 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 EL6900 operates on a 5V supply for the analog circuits and a 3.3V supply for the digital circuits. Features • Complete programmable laser diode driver • 350mA maximum total output • 8-bit x 8-bit multiplying DAC output provides 8-bit full scale adjustment and 8-bit 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 Applications • Blu-Ray ultra-density optical (UDO) drives • Blu-Ray consumer HDTV video recorders Pinout EL6900 (38-PIN QFN) TOP VIEW Ordering Information PART NUMBER PACKAGE TAPE & REEL PKG. DWG. # EL6900CL 38-Pin QFN - MDP0046 EL6900CL-T7 38-Pin QFN 7” MDP0046 EL6900CL-T13 38-Pin QFN 13” MDP0046 31 30 29 28 27 26 25 1 2 3 4 5 6 7 THERMAL PAD SCLK MON1 RWB NRZ NRZB GND GND PDIN VREF VSO IOUT1 IOUT1 GND VSO 8 9 24 23 VSO IOUT2 CLKB CLK 10 11 12 22 21 20 VSL VSL VSA IOUT2 VSO RSET Data Sheet July 15, 2004 Get FULL DATASHEET |
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