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| (R) EL6833 Data Sheet July 15, 2004 FN7350.1 Dual 4-Channel Driver with Oscillator & LVDS The EL6833 is a high performance, dual output, laser driver for writeable `super-combo' CD - DVD drives. The ENA pin enables the chip, while the SEL1 pin selects the IOUT pin. Various waveforms can be generated where the amplitude is determined by the currents flowing into IINR, IIN2, IIN3, and IIN4. The timing is determined by the signals at WEN2-WEN2B, WEN3-WEN3B, and WEN4-WEN4B. The oscillator is enabled when OSEN-OSENB is high. The amplified IINR current of 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. Usually a voltage DAC will drive a resistor that is in series with the IINR, IIN2, IIN3 and IIN4 input. The resistor allows the user to optimize the current gain for each channel. Output write current pulses are enabled when a high is applied to the WEN2-WEN2B, WEN3-WEN3B, or WENWEN4B pin. The write current will flow to the selected output. When SEL1 is high IOUT1 is selected. WENRB enables read and oscillator current when low. The RF oscillators frequency is determined by RFREQ1 or RFREQ2, and its amplitude by RAMP1 or RAMP2. Features * Two channels for CD or DVD * Voltage-controlled output current source requiring one external set resistor per channel * Rise time = 0.8ns * Fall time = 0.8ns * DVD - Channel 2 to 240mA max * DVD - Channel 3 to 170mA max * DVD - Channel 4 to 100mA max * CD - Channel 2 to 350mA max * CD - Channel 3 to 250mA max * On chip oscillator with frequency and amplitude control by use of external resistors to ground * Oscillator frequency to 600MHz * Oscillator amplitude to 100mAP-P * Single +5V supply (10%) * Chip ENAs for power savings * External LVDS termination * Pb-free available Applications * Super combo drives Ordering Information PART NUMBER EL6833CL EL6833CL-T7 EL6833CL-T13 EL6833CLZ (Note) EL6833CLZ-T7 (Note) EL6833CLZ-T13 (Note) PACKAGE 32-Pin QFN 32-Pin QFN 32-Pin QFN 32-Pin QFN (Pb-Free) 32-Pin QFN (Pb-Free) 32-Pin QFN (Pb-Free) TAPE & REEL 7" 13" 7" 13" PKG. DWG. # MDP0046 MDP0046 MDP0046 MDP0046 MDP0046 MDP0046 Get FULL DATASHEET NOTE: Intersil Lead-Free products employ special lead-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which is compatible with both SnPb and lead-free soldering operations. Intersil Lead-Free products are MSL classified at lead-free peak reflow temperatures that meet or exceed the lead-free requirements of IPC/JEDEC J Std-020B. 1 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 (c) Intersil Americas Inc. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. All other trademarks mentioned are the property of their respective owners. EL6833 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 2 |
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