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ISL1540
Data Sheet September 11, 2006 FN6113.0
-52V Dual Channel Differential DSL Line Driver
The ISL1540 is a -52V dual channel differential amplifier designed for driving full rate ADSL signals at very low power dissipation. The high supply voltage allows operation from a single standard -52V negative battery supply. It contains two pairs of wideband, high voltage, current mode feedback amplifiers optimized for lower power consumption and highest performance in ADSL and ADSL2+ systems. The line drivers have fixed gain AV = 48 with integrated feedback and gain resistors. Its output clamping circuit eliminates the requirement for the Zener protection diodes. These drivers achieve an MTPR distortion measurement of better than 70dB while consuming typically 3mA per DSL channel of total supply current. The ISL1540 is supplied in a thermally-enhanced 8mm x 8mm 32 Ld QFN package and is specified for operating over the full -40C to +85C temperature range.
Features
* 100mA output current driving capability * Operates from a single -40V to -60V power supply * 800mW per channel total power dissipation * MTPR of -70dB * 96VP-P differential output swing * Fixed gain, integrated gain resistors * Current control pins * Output clamp for lightning and surge protection * Channel separation - 75dB @ 1MHz * Pb-free plus anneal available (RoHS compliant)
Applications
* Dual port ADSL and ADSL2+ line drivers * HDSL, HDSL2, HDSL 4 and SHDSL line drivers * DSLAM, DLC, MDU/MTU line drivers
Ordering Information
PART NUMBER ISL1540IRZ (See Note) ISL1540IRZ-T7 (See Note) ISL1540IRZ-T13 (See Note) TAPE & REEL PACKAGE 32 Ld QFN (8mm x 8mm) (Pb-free) 32 Ld QFN (8mm x 8mm) (Pb-free) 32 Ld QFN (8mm x 8mm) (Pb-free) PKG. DWG. # MDP0046
* Performance upgrade to Le87213 and Le87213A
Pinout
ISL1540 [32 Ld QFN (8mm x 8mm)] TOP VIEW
32 OUTA 29 OUTB 27 OUTC 31 VBAT
7"
MDP0046
28 NC
26 NC
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.
NC 1 NC 2 NC 3 NC 4 NC 5 INA 6 INB 7 THERMAL PAD
25 NC 24 OUTD 23 NC 22 NC 21 NC 20 NC 19 NC 18 IND 17 INC ENCD 16
13"
MDP0046
MONAB 10
ENAB 11
NC 12
GND 13
VCC 14
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. All Rights Reserved. All other trademarks mentioned are the property of their respective owners.
MONCD 15
NC 9
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NC 8
30 GND
ISL1540
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
FN6113.0 September 11, 2006

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