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ISL1534
Data Sheet March 28, 2007 FN6465.0
Dual Channel Fixed Gain Differential DSL Line Driver
The ISL1534 is a dual channel differential amplifier designed for driving full rate ADSL2+ signals at very low power dissipation. The high drive capability of 450mA makes this driver ideal for DMT designs. It contains two pairs of wideband, high-voltage, current mode feedback amplifiers designed on Intersil's HS30 Bipolar SOI process for low power consumption in DSL systems. The amplifiers have an internal fixed gain, which helps eliminate both feedback and gain resistors reducing board size and cost. These drivers achieve an MTPR distortion measurement of better than 70dB, 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 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). C0 and C1 inputs are design to pull high initially. Floating these inputs will put the device in disable mode. This is contrary to EL1528 where C0 and C1 inputs pull low initially and is in the enable state when C0 and C1 pins are floated. The device is supplied in a thermally-enhanced small footprint (4mmx5mm) 24 Ld QFN packages. The ISL1534 is specified for operation over the full -40C to +85C temperature range. The ISL1534 provides larger output swing at heavy loads, higher slew rate, and higher bandwidth while maintaining pin-to-pin drop-in compatibility with the ISL1532A. The ISL1534 integrates 50k pull-up resistors on C0 and C1 pins.
Features
* 450mA output drive capability * 44.4VP-P differential output drive into 100 * 5V to 15V supply operation * Internal fixed gain and biasing network * Reduces BOM by 7 resistors and 1 capacitor per channel * MTPR of -70dB * Low differential input offset * Channel separation - 80dB @ 500kHz - 75dB @ 1MHz * Direct pin-to-pin replacement for ISL1532A * Pb-free plus anneal available (RoHS compliant)
Applications
* Dual channel ADSL2+ line drivers * SHDSL line drivers
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Ordering Information
PART NUMBER (NOTE) ISL1534IRZ ISL1534IRZ-T13 ISL1534IVEZ ISL1534IVEZ-T13 PART MARKING 1534 IRZ 1534 IRZ 1534 IVEZ 1534 IVEZ TAPE AND REEL 13" 13" PACKAGE (Pb-free) 24 Ld QFN (4mmx5mm) 24 Ld QFN (4mmx5mm) 20 Ld HTSSOP (4.4mm) 20 Ld HTSSOP (4.4mm) PKG. DWG. # MDP0046 MDP0046 MDP0048 MDP0048
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.
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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. 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners
ISL1534
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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