ISL1534
®
Data Sheet
October 15, 2008
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 consuming typically 4mA 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 -40°C to +85°C
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.
Get Full Datasheet
FN6465.1
Features
• 450mA output drive capability
• 44.4VP-P differential output drive into 100Ω
• ±5V to ±15V supply operation
• Internal fixed gain and biasing network
• Reduces BOM by 7 resistors and 1 capacitor per channel
• Low differential input offset
• Channel separation
- 80dB @ 500kHz
- 75dB @ 1MHz
• Direct pin-to-pin replacement for ISL1532A
• Pb-free (RoHS compliant)
Applications
• Dual channel ADSL2+ line drivers
• SHDSL line drivers
Ordering Information
PART NUMBER
(Note)
PART
MARKING
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL1534IRZ
1534 IRZ
24 Ld QFN
(4mmx5mm)
MDP0046
ISL1534IRZ-T13*
1534 IRZ
24 Ld QFN
(4mmx5mm)
MDP0046
ISL1534IVEZ
1534 IVEZ
20 Ld HTSSOP
(4.4mm)
MDP0048
ISL1534IVEZ-T13* 1534 IVEZ
20 Ld HTSSOP
(4.4mm)
MDP0048
*Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets, molding compounds/die attach
materials, and 100% matte tin plate plus anneal (e3 termination
finish, which is 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.
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 Intersil Americas Inc. 2007, 2008. 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
October 15, 2008
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