-- Drives up to 3 watts mono output power -- Low EMI fully-integrated CMOS design -- Optimized for low system cost
IRVINE, Calif., Dec. 16, 2004 (PRIMEZONE) -- Microsemi Corporation (Nasdaq:MSCC), a leading manufacturer of high performance analog/mixed signal integrated circuits, announced today that its LX1701(tm) Class-D audio amplifier was recognized as the #1 analog integrated circuit introduced during the third quarter of 2004 in a survey of 1,000 readers of EE Times magazine and its eeProductCenter website.
Microsemi's latest audio circuit was ranked first among nine analog designs chosen by EE Times editors to compete in their peer-to-peer survey called "Ultimate Products." Readers from the EE Times engineering community rate each product on its "technical significance" and "likelihood of use." Readers also gave the LX1701 a #1 ranking for "Usability." Microsemi's #1 rank makes it a finalist for EE Times "Ultimate Product of the Year" to be awarded March 9, 2005 during the Embedded Systems Conference at the Moscone Center, San Francisco.
The LX1701 amplifier is a CMOS design targeted for LCD TVs, desktop monitors, cell phones, PDA's and other handheld or portable audio applications. It can drive up to 3 watts of mono output into 2 Ohm speakers, or 2 watts output into 4 Ohm speakers, providing full 20Hz to 20kHz high audio fidelity, with a total harmonic distortion (THD) of less than 1%.
"We optimized the LX1701 amplifier for low voltage, low power operation and minimum system cost," said Paul Bibeau, Vice President and General Manager of Microsemi's Integrated Products Group.
"What makes the LX1701 stand above the competition is exceptionally low EMI performance that allows the LX1701 to reside on circuit boards close to interference-sensitive circuits such as audio and video receivers. For many applications, only one additional component will be required-with no output filters or AC coupling capacitors needed. We believe this is the easiest, most space-conserving and lowest-cost way to add quality sound to our target applications," he added.
A very low quiescent current consumption of 2 milli-amps results from a proprietary output modulation design that also enables filter-less operation in many applications.A wide 1.8 to 6.0 supply voltage range allows the LX1701 to be used at almost all power supply or battery conditions.
The LX1701 is delivered in a low profile, surface-mountable 16-pin lead-free MLPQ package measuring only 4mm square and 1 mm high. It is available for immediate sampling and delivery, with 10K quantity pricing at $0.88. Complete technical information is available on the Microsemi web site, www.Microsemi.com. Samples and evaluation boards can be requested through this site, from Microsemi sales representatives or through Microsemi's distribution sales channel.
About Microsemi
Microsemi is a leading designer, manufacturer and marketer of high performance analog and mixed-signal integrated circuits and high reliability semiconductors. The company's semiconductors manage and control or regulate power, protect against transient voltage spikes and transmit, receive and amplify signals.
Microsemi's products include individual components as well as integrated circuit solutions that enhance customer designs by improving performance and reliability, battery optimization, reducing size or protecting circuits. The principal markets the company serves include implanted medical, military/aerospace and satellite, notebook computers and monitors, automotive and mobile connectivity applications.
More information may be obtained by contacting the company directly or by visiting its web site at http://www.microsemi.com.
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Investor Inquiries: David R. Sonksen, Microsemi Corporation, Irvine, CA (949) 221-7101.
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