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National Semiconductor Wins Electronic Products Magazine Product of the Year Award For Second Consecutive Year

LM4562 34V High-Fidelity Audio Op Amp Drops Distortion Rate to 0.00003 Percent, Sets New Level of Performance For High-End Professional Audio Applications

Jan 31, 2007

January 31, 2007 - Electronic Products magazine honored the LM4562 34V, dual audio operational amplifier from National Semiconductor (NYSE: NSM) as a product of the year in its annual Product of the Year awards. This is the second consecutive year National has won this award. In 2006, the editors selected the LMH1251, the industry’s first video converter for high-definition video to RGB computer video.

For more than 30 years, Electronic Products, a leading trade publication for electronic design engineers, has recognized the most significant technical achievements in the electronics community. The editors evaluated thousands of products launched in 2006 on the basis of innovative design, significant advancement in technology or application and substantial achievement in price and performance. The January edition features this year’s winners.

“This award recognizes National’s continued innovation in audio amplifiers,” said Mike Polacek, vice president of the Amplifier Division and acting vice president of the Audio Division. “As part of our new high-performance audio family, the LM4562 sets a new standard for sound quality in high-end, professional and high-quality consumer audio markets.”

About the LM4562 Dual Audio Op Amp
Introduced in September 2006, the LM4562’s 0.00003 percent THD+N exceeds the performance achieved by the hand-built audiophile discrete methodologies used for the last 50 years. The LM4562 also has a wide, 55 MHz gain bandwidth, a 10 MHz power bandwidth, the highest power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR) as well as a very low, 60 MHz 1/f noise corner frequency.

The high-performance audio op amp family includes various package options as well as the LME49710 single op amp and a quad op amp to be introduced in early spring 2007. Many other performance audio products are also in development. These devices are manufactured in Arlington, Texas, and assembled and tested in Melaka, Malaysia.  

Note to editors:  To view a high-resolution downloadable photo of National’s LM4562, visit National's photo gallery.

Product Information

The LM4562’s standard SOIC package is priced at $2.35 each and the DIP package is priced at $2.65 each in 1,000-unit quantities. The metal can package is priced at $9.95 each in 100-unit quantities.  Lead-free package options that are compliant with the European Restriction on the use of Certain Hazardous Substances (RoHS) directive are also available. More information, easy-to-order samples and evaluation boards are available at



About National Semiconductor

National Semiconductor, the industry's premier analog company, creates high-value analog devices and subsystems.  National's leading-edge products include power management circuits, display drivers, audio and operational amplifiers, interface products and data conversion solutions. National's key analog markets include wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial, and test and measurement applications. Headquartered in Santa Clara, Calif., National reported sales of $2.16 billion for fiscal 2006, which ended May 28, 2006.  Additional company and product information is available at