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| EL1508C - Product Brief EL1508C - Product Brief Differential DSL Line Driver Features * 450mA output drive capability * 43.6VP-P differential output drive into 100 * 2nd/3rd harmonics of -85dBc/ -75dBc * MTPR of -70dB * Operates down to 3mA per amplifier supply current * Power control features * Pin-compatible with EL1503C General Description The EL1508C is designed for driving full rate ADSL signals in both CO and CPE applications at very low power dissipation. The high drive capability of 450mA makes this driver ideal for both CAP and DMT designs. It contains two wideband, high-voltage, current mode feedback amplifiers with a number of power dissipation reduction features. These drivers achieve an MTPR distortion measurement of better than 70dB, while consuming typically 6mA of total supply current. This supply current can be set using a resistor on the IADJ pin. Two other pins (C0 & C1) can also be used to adjust supply current to one of four pre-set modes (full-I S , 2/3-IS , 1/3-IS , and full power-down). The EL1508C operates on 5V to 12V supplies and retains its bandwidth and linearity over the complete supply range. The device is supplied in a thermally-enhanced 20-pin SO (0.300"), a thermally-enhanced 16-pin SO (0.150"), and the small footprint (4x5mm) 24-pin LPP packages. The EL1508C is specified for operation over the full -40C to +85C temperature range. Applications * * * * ADSL line driver HDSL line driver Video distribution amplifier Video twisted-pair line driver Ordering Information Part No EL1508CS EL1508CM EL1508CL Package 16-Pin SO (0.150") 20-Pin SO (0.300") 24-Pin LPP Tape & Reel Outline # MDP0027 MDP0027 Pin Configurations 24 VOUTA 20 VOUTB 19 NC 18 NC 17 VS+ Thermal Pad 16 NC 15 NC 14 NC 23 VIN-A 21 VIN-B MDP0046 NC 1 NC 2 VS- 3 NC 4 NC 5 NC 6 GND 7 C0 10 IADJ 11 VIN+B 12 VIN+A 8 C1 9 22 NC November 29, 2001 13 GND 24-Pin LPP Top View Pin Configurations continues on Page 3 Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a "controlled document". Current revisions, if any, to these specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation. (c) 2001 Elantec Semiconductor, Inc. EL1508C - Product Brief EL1508C - Product Brief Differential DSL Line Driver General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the circuitry or specifications contained herein at any time without notice. Elantec, Inc. assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. WARNING - Life Support Policy November 29, 2001 Elantec Semiconductor, Inc. 675 Trade Zone Blvd. Milpitas, CA 95035 Telephone: (408) 945-1323 (888) ELANTEC Fax: (408) 945-9305 European Office: +44-118-977-6020 Japan Technical Center: +81-45-682-5820 2 Elantec, Inc. products are not authorized for and should not be used within Life Support Systems without the specific written consent of Elantec, Inc. Life Support systems are equipment intended to support or sustain life and whose failure to perform when properly used in accordance with instructions provided can be reasonably expected to result in significant personal injury or death. Users contemplating application of Elantec, Inc. Products in Life Support Systems are requested to contact Elantec, Inc. factory headquarters to establish suitable terms & conditions for these applications. Elantec, Inc.'s warranty is limited to replacement of defective components and does not cover injury to persons or property or other consequential damages. Printed in U.S.A. |
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