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| (R) ISL1539 Data Sheet February 12, 2007 FN7516.2 Dual Channel Differential VDSL2 Line Driver The ISL1539 is to be used for high performance long reach and high speed applications, including ADSL2, ADSL2+, and VDSL2 20dBm. The ISL1539 is an integral part of the signal chain. 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. These drivers achieve a total harmonic distortion (THD) measurement of typically -60dB MTPR @ 1.1MHz, while consuming typically 10mA per DSL channel of total supply current. This supply current can be set using a resistor on the IADJ pin. Two other pins (C0 and 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 ISL1539 operates on 5V to 15V supplies and retains its bandwidth and linearity over the complete supply range. The device is supplied in the small footprint (4mmx5mm) 24 Ld 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 1200V/s differential * Bandwidth - 80MHz @ AV = 10 * Current control pins * Channel separation - 80dB @ 500kHz - 75dB @ 1MHz - 60dB @ 4MHz * Pb-free plus anneal available (RoHS compliant) Applications * VDSL2 20dBm * ADSL2++ Get Full Datasheet ISL1539 (24 LD QFN) TOP VIEW 20 VOUTA 19 VINA18 VINB17 VOUTB THERMAL PAD 16 NC/SHIELD 15 VOUTC 14 VINC13 VINDVS- 10 VS+ 11 VOUTD 12 C1CD 8 C0CD 9 24 C1AB 23 C0AB Pinouts ISL1539 (24 LD HTSSOP) TOP VIEW VS- 1 C0AB 2 C1AB 3 VINA+ 4 VINB+ 5 GND 6 IADJ 7 VINC+ 8 VIND+ 9 C1CD 10 C0CD 11 VS- 12 THERMAL PAD 24 VS+ 23 VOUTA 22 VINA21 VINB20 VOUTB 19 NC 18 NC 17 VOUTC 16 VINC15 VIND14 VOUTD 13 VS+ VINA+ 1 VINB+ 2 GND 3 IADJ 4 NC 5 VINC+ 6 VIND+ 7 1 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 (c) Intersil Americas Inc. 2006-2007. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. 21 VS+ 22 VS- ISL1539 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 FN7516.2 February 12, 2007 |
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