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EL1503ACM Datasheet(PDF) 1 Page - Intersil Corporation |
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EL1503ACM Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 17 page 1 ® FN7039.2 EL1503A High Power Differential Line Driver The EL1503A ADSL Line Driver contains two wideband high-voltage drivers which are ideally suited for both ADSL and HDSL2 applications. They can supply a 39.2VP-P signal into a 22 Ω load while exhibiting very low distortion. The EL1503A also has a number of power saving features. The IADJ pin can be used to set the maximum supply current and the C0 and C1 pins can be used to digitally vary the supply current to one of four modes. These modes include full power, low power, terminate only and power down. The EL1503A uses current-feedback type amplifiers, which achieve a high slew rate while consuming moderate power. They retain their frequency response over a wide range of externally set gains. The EL1503A operates on ±5V to ±12V supplies and consumes only 12.5mA per amplifier. The device is supplied in a thermally-enhanced 20 Ld SOIC (0.300”) and the small footprint (4x5mm) 24 Ld QFN packages. Center pins on each side of the 20 Ld and 16 Ld packages are used as ground connections and heat spreaders. The QFN package has the potential for a low θJA (<40°C/W) and dissipates heat by means of a thermal pad that is soldered onto the PCB. All package options are specified for operation over the full -40°C to +85°C temperature range. Features • High power ADSL driver •39.2VP-P differential output drive into 22Ω •42.4VP-P differential output drive into 65Ω • Driver 2nd/3rd harmonics of -66dBc/-72dBc at 2VP-P into 100Ω differential • Supply current of 12.5mA per amplifier • Supply current control • Power saving modes • Standard surface-mount packages • Ultra-small QFN package • Pb-free plus anneal available (RoHS compliant) Applications • ADSL line drivers • HDSL2 line drivers • Video distribution amplifiers Pinouts EL1503A (24 LD QFN) TOP VIEW EL1503A [20 LD SOIC (0.300”)] TOP VIEW *GND pins are heat spreaders 19 18 17 16 15 14 13 1 2 3 4 5 6 7 THERMAL PAD NC NC VS- NC NC NC GND NC NC VS+ NC NC NC GND 1 2 3 4 16 15 14 13 5 6 7 12 11 9 8 10 20 19 18 17 POWER CONTROL LOGIC A B VIN-A VOUTA VS- GND* GND* GND* GND* VIN+A C1 C0 VIN-B VS+ GND* GND* IADJ VOUTB GND* GND* VIN+B NC Data Sheet March 26, 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. 2002, 2003, 2005, 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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