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EL4543IL Datasheet(PDF) 1 Page - Intersil Corporation |
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EL4543IL Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 17 page 1 ® FN7325.9 EL4543 Triple Differential Twisted-Pair Driver with Common-Mode Sync Encoding The EL4543 is a high bandwidth triple differential amplifier with integrated encoding of video sync signals. The inputs are suitable for handling high speed video or other communications signals in either single-ended or differential form, and the common-mode input range extends all the way to the negative rail enabling ground-referenced signalling in single supply applications. The high bandwidth enables differential signalling onto standard twisted-pair or coax with very low harmonic distortion, while internal feedback ensures balanced gain and phase at the outputs reducing radiated EMI and harmonics. Embedded logic encodes standard video horizontal and vertical sync signals onto the common mode of the twisted pair(s), transmitting this additional information without the requirement for additional buffers or transmission lines. The EL4543 enables significant system cost savings when compared with discrete line driver alternatives. The EL4543 is available in a 24 Ld QSOP package and is specified for operation over the -40°C to +85°C temperature range. Features • Fully differential inputs, outputs, and feedback • 350MHz -3dB bandwidth • 1200V/µs slew rate • -75dB distortion at 5MHz • Single 5V to 12V operation • 50mA minimum output current • Low power - 36mA total typical supply current • Pb-free plus anneal available (RoHS compliant) Applications • Twisted-pair drivers • Differential line drivers • VGA over twisted-pair • Transmission of analog signals in a noisy environment TABLE 1. SYNC SIGNAL ENCODING HV COMMON MODE A (RED) COMMON MODE B (GREEN) COMMON MODE C (BLUE) Low High 3.0 2.0 2.5 Low Low 2.5 3.0 2.0 High Low 2.0 3.0 2.5 High High 2.5 2.0 3.0 TABLE 2. INPUT LOGIC THRESHOLD (+5V SUPPLY) VLO, max 0.8V VHI, min 2V Ordering Information PART NUMBER PART MARKING TAPE & REEL PACKAGE PKG. DWG. # EL4543IU EL4543IU - 24 Ld QSOP MDP0040 EL4543IU-T7 EL4543IU 7” 24 Ld QSOP MDP0040 EL4543IU-T13 EL4543IU 13” 24 Ld QSOP MDP0040 EL4543IUZ (See Note) EL4543IUZ - 24 Ld QSOP (Pb-free) MDP0040 EL4543IUZ-T7 (See Note) EL4543IUZ 7” 24 Ld QSOP (Pb-free) MDP0040 EL4543IUZ-T13 (See Note) EL4543IUZ 13” 24 Ld QSOP (Pb-free) MDP0040 EL4543IL 4543IL - 20 Ld 4x4 QFN* MDP0046 EL4543IL-T7 4543IL 7” 20 Ld 4x4 QFN* MDP0046 EL4543IL-T13 4543IL 13” 20 Ld 4x4 QFN* MDP0046 EL4543ILZ (See Note) 4543ILZ - 20 Ld 4x4 QFN* (Pb-free) MDP0046 EL4543ILZ-T7 (See Note) 4543ILZ 7” 20 Ld 4x4 QFN* (Pb-free) MDP0046 EL4543ILZ-T13 (See Note) 4543ILZ 13” 20 Ld 4x4 QFN* (Pb-free) MDP0046 NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and 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-020. *20 Ld 4x4 QFN, exposed pad 2.7 x 2.7mm Data Sheet January 5, 2007 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2004-2007. All Rights Reserved. All other trademarks mentioned are the property of their respective owners . |
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