Semtech Brings ESD Protection to High-Speed Applications
30 Abril 2007 - 7:00AM
Business Wire
Semtech Corp. (Nasdaq:SMTC), a leading supplier of analog and
mixed-signal semiconductors, today announced two new additions to
Semtech�s RailClamp� family of low capacitance protection devices
that provide system designers a new option for adding critical
power protection to high-speed lines without the high clamping
voltage and high capacitance limitations of competing solutions.
RClamp�1502B and RClamp�2402B are designed with an ultra-low
capacitance of 0.6pF to protect high-speed data lines without
signal attenuation. The devices also have low clamping voltages to
reduce stress on the protected IC that are very susceptible to ESD
and CDE threats. The RClamp1502B protects two 15V lines and the
RClamp2402B protects two 24V lines. Both devices protect two lines
and are targeted for interfaces operating up to 1GHz, such as IEEE
1394 (FireWire), high-power USB, or ADSL input/output lines. Both
devices are housed in a small SC-75 package with a flow-through
design that maintains signal integrity on high-speed lines. The new
RClamp devices are distinguished from standard steering diode
solutions by their integrated TVS diodes, low clamping voltage that
protects the downstream IC, and their small 1.6 x 1.6 x 0.75 mm
footprint. Both devices meet IEC 61000 immunity requirements for
electrostatic discharge (ESD) and electrical fast transient (EFT)
protection. Both the RClamp1502B and the RClamp2402B can be
configured to protect two unidirectional lines or one bidirectional
line. �Designers are turning their attention to high speed design
to boost the performance of their products, which is opening up new
needs for protection on these circuits,� said Tom Dugan, Semtech's
Director of Marketing for Protection Products. �We�ve taken the
best technology from our RClamp family � the low-capacitance, and
low clamping voltage � and put it into devices that are optimized
to give these designers a high performing, space- and
cost-efficient protection solution for their high speed
interfaces.� The broad array of Semtech�s RClamp protection devices
give designers a one-stop catalog for all of their low-capacitance
protection needs. The family ranges from two lines to eight lines
in a variety of packages and for a variety of applications
including Gigabit Ethernet, T1/E1, FireWire, USB and others. Key
Features of the RClamp1502B and RClamp2402B Protects two
unidirectional or one bi-directional I/O line Line-to-line
capacitance of 0.6pF typical Operating voltages: 15V (RClamp1502B)
and 24V (RClamp2402B) ESD protection to the IEC 61000-4-2 (+15kV
air, +8kV contact) standard EFT protection to the IEC 61000-4-4 40A
(5/50ns) standard RoHS/WEEE Compliant Pricing and Availability The
RClamp2402B (order code: RClamp2402B.TCT) and the RClamp1502B
(order code: RClamp1502B.TCT) are both available immediately in
production quantities. The RClamp2402B is priced at $0.29 each in
1,000-piece lots. The RClamp1502B is priced at $0.26 each in
1,000-piece lots. Semtech offers comprehensive design assistance,
including field- and factory-based support. Data sheets, volume
pricing, and delivery quotes, as well as evaluation kits and
samples, are available by contacting salesinfo@semtech.com. About
Semtech Semtech Corporation is a leading supplier of high-quality
analog and mixed-signal semiconductor products. The company is
dedicated to providing customers with proprietary solutions and
breakthrough technology in power management, protection, advanced
communications, human interface, test & measurement, and
wireless connectivity products. Publicly traded since 1967, Semtech
is listed on the NASDAQ National Market under the symbol SMTC. For
more information, contact Semtech Corp. at 200 Flynn Road,
Camarillo, CA 93012-8790; phone (805) 498-2111; email to
info@semtech.com; or visit its web site at www.semtech.com.
Semtech, the Semtech logo, RailClamp and RClamp are marks of
Semtech Corporation.
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