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| (R) EL1526 Data Sheet May 13, 2004 FN7405 Dual Channel Differential DSL Line Driver for Centillium Maximus CO Chipsets The EL1526 is to be used with Centillium's Maximus CO chipset for very high performance ADSL applications. The line driver supports use of ADSL downstream spectrum up to 3.75MHz, beyond traditional 1.1MHz range. For the extended spectrum, payload rates up to 50Mbps is achievable in conjunction of High-Bit-Loading (HBL) feature of Maximus CO chipset. This feature allows DMT tones to carry higher than 15 bits per tone, resulting in higher performance ADSL services. The EL1526 is an integral part of the signal chain for HBL. The driver has been optimized for flat gain response and reduced harmonic distortion and noise in the bands of interest to improve the overall signal to noise in the system. A unique internal compensation circuit eliminates the need for external common mode snubber filters in active termination applications. These drivers achieve a total harmonic distortion (THD) measurement of typically -64dB @ 2.2MHz, while consuming typically 5mA per DSL channel 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-IS, 3/4-IS, 1/2-IS, and full power-down). The EL1526 operates on 5V to 12V supplies and retains its bandwidth and linearity over the complete supply range. The device is supplied in the small footprint (4x5mm) 24-pin QFN package and is specified for operation over the full -40C to +85C temperature range. Features * 450mA output drive capability * 44.1VP-P differential output drive into 100 * -85dBc THD @ 1MHz 2VP-P * High slew rate of 500V/s * Bandwidth - 46MHz * Current control pins * Channel separation - 80dB @ 500kHz - 75dB @ 1MHz Applications * ADSL line drivers for Centillium Maximus CO chipsets Ordering Information PART NUMBER EL1526IL EL1526IL-T7 EL1526IL-T13 PACKAGE 24-Pin QFN 24-Pin QFN 24-Pin QFN TAPE & REEL 7" 13" PKG. DWG. # MDP0046 MDP0046 MDP0046 Get FULL DATASHEET 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. EL1526 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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