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| SAN DIEGO--(BUSINESS
WIRE)--Dec. 16, 1999--Today AKM Semiconductor introduced the AK4527, a new audio codec
with two analog input channels (A-to-D) and six analog output channels (D-to-A). All channels are 24-bit with a sampling rate of up to 96kHz. The device is therefore ideal for applications such as home theater or car stereo. The A-to-D channels use enhanced dual-bit sigma-delta architecture with 64X over-sampling. The dynamic range is 102dB. There is a linear phase anti-aliasing filter and a digital high pass filter for offset cancellation. The six D-to-A channels use a new multi-bit sigma-delta architecture with 128X over-sampling. The dynamic range in this direction is 106dB. Each channel has an individually controllable attenuation of 256 0.5dB steps. The AK4527 also has a soft mute feature. According to Ahmad Nowbakht, AKM Semiconductor Applications Engineer, ``This part brings a new performance level to multi channel codecs.'' This part is ideal for applications with compressed audio such as AC-3®, DTS® or other multi channel standards. It could be used in DVD players, DVD-RAM drives, or home audio receivers along with many other multi channel audio systems. The AK4527 is packaged in a small 44-pin LQFP, 10mm x 10mm, package with the same pinout as AKM's previous two-input six-output codecs such as the AK4526A. Its operating temperature range is specified as -45C to +85C. Prototype quantities are available now. This codec is priced at $6.12 in 5K quantities. For more information or editorial contacts about this product, call Richard Kulavik at AKM toll free at 888/256-7364, or visit our Web site at http://www.akm.com. About AKM Semiconductor AKM Semiconductor (AKMS) is a wholly owned subsidiary of Asahi Kasei Microsystems Co, (AKM), Tokyo, Japan. AKMS, located in San Jose and San Diego, Calif., offers sales, marketing and design support for North American customers. AKM designs and manufactures CMOS mixed signal integrated circuits for applications including audio, multimedia, data storage and telecommunications.
Contact: AKM Semiconductor
Richard Kulavik, 408/436-8580
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