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Analog Devices Press Release - July 2, 2009 | ||||||
Analog Devices Introduces Ultra-Low-Noise Amplifier Features Selectable Gain and Broad BandwidthADI’s AD8432 dual ultra-low-noise amplifier is designed for high channel count, wide-bandwidth communications and medical applications. July 2, 2009 -- NORWOOD, Mass.--(EON: Enhanced Online News)-- Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal processing applications and leading provider of amplifier technology, introduced today the only dual, ultra-low-noise amplifier available with selectable gain and active impedance matching. The AD8432 amplifier provides superior noise performance, lower per-channel cost and nearly three times the bandwidth of competing products.  The combination of selectable gain and low noise enables the amplifier to detect and resolve low-level input signals. Active impedance matching reduces signal reflection by matching signal-source and amplifier-input impedances without compromising input-noise performance. By using the pin-strapping options, designers can select four gains: G = 4, 8, 12 and 16. At a gain of four, the amplifier’s 200-MHz bandwidth is nearly three times that of competing devices, while a 0.85-nV/√Hz input referred voltage noise figure offers best-in-class noise performance.ADI designed the AD8432 for communications-infrastructure and medical-ultrasound applications that require up to 200 MHz of bandwidth combined with a high channel count and variable gains. The common die and symmetrical design ensure precise phase matching between channels. A single-ended-input amplifier, the AD8432 operates on a single 5-V supply and provides a differential output optimized to drive ADI’s AD8333 and AD8339 I/Q demodulators and phase shifters in medical ultrasound CW Doppler applications as well as a wide range of ADCs (analog-to-digital converters), such as ADI’s AD7679 18-bit, 570-kSPS (kilo samples per second) PulSAR® converter and AD7952 14-bit, 1-MSPS (mega samples per second) PulSAR converter. The AD8432 packaging features an exposed paddle that provides a low thermal-resistance path to the PCB (printed circuit board), which enables more efficient heat transfer and increases reliability. Availability and Pricing Product Sample Availability Temperature Range Price Each Per 1,000 Packaging AD8432 NOW −40°C to +85°C $1.99 4mm x 4mm 24-Lead LFCSP To order a sample or evaluation boards, click here. For more information, visit http://www.analog.com/pr/AD8432. For more product information on amplifiers, visit http://www.analog.com/en/amplifiers-and-comparators/products/index.html. Follow ADI on Twitter at http://www.twitter.com/ADI_News About Analog Devices, Inc. Innovation, performance, and excellence are the cultural pillars on which Analog Devices has built one of the longest standing, highest growth companies within the technology sector. Acknowledged throughout the industry as the world leader in data conversion and signal conditioning technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. Celebrating over 40 years as a leading global manufacturer of high-performance integrated circuits used in analog and digital signal processing applications, Analog Devices is headquartered in Norwood, Massachusetts, with design and manufacturing facilities throughout the world. Analog Devices' common stock is listed on the New York Stock Exchange under the ticker “ADI” and is included in the S&P 500 Index. For more information on ADI's most recent product releases, visit our Press Release home page. Contacts Analog Devices, Inc. Bob Olson 781-937-1666 bob.olson@analog.com or Porter Novelli Andrew MacLellan 617-897-8270 andrew.maclellan@porternovelli.com Posted 7/2/2009 | ||||||
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