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Analog Devices Press Release - June 14, 2010

Analog Devices' RMS Detector Accurately Measures Large Crest Factor Signals in 3G and 4G Devices

- With industry’s smallest footprint, Analog Devices’ ADL5505 TruPwr RMS detector allows optimization of the linear power amplifier’s performance to increase efficiency and battery life.

Visit Analog Devices
 
NORWOOD, Mass.--(BUSINESS WIRE)-- Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications and leading provider of RF integrated circuits, is introducing a TruPwr® RF power detector for 3G and 4G mobile terminals. The ADL5505 TruPwr RF power detector is a highly accurate, easy-to-use device for determining the RMS (root mean square) power of complex waveforms. It can be used for power measurements of both simple and complex waveforms and is particularly useful for measuring high crest factor (high peak-to-RMS ratio) signals, such as W-CDMA, CDMA2000, WiMAX, WLAN and LTE waveforms. It is also effective for optimizing the performance of linear power amplifiers. Furthermore, with industry-leading specifications and the smallest footprint at a mere .8 mm x .8 mm, the ADL5505 power detector eliminates the need for look-up tables and correction factors for large and changing crest factors, significantly increasing efficiency, battery life and signal quality while reducing bill of materials cost.

ADL5505 Key Features and Benefits
  • Excellent temperature stability across a 30 dB range and near 0 dB measurement error across temperature over the top portion of the dynamic range.
  • Effective in high-frequency receiver and transmitter signal chains from 450 MHz to 6000 MHz.
  • Requires only a single supply between 2.5 V and 3.3 V, the detector draws less than 1.8 mA.
  • RMS output is a linear-responding dc voltage with a conversion gain of 1.86 V/V RMS at 900 MHz.
  • On-chip modulation filter provides sufficient averaging for most waveforms.

Pricing, Availability and Complementary Products
The ADL5505 is available now in a 0.8 mm x 0.8 mm WLCSP package and is priced at $2.50 per unit in 1,000-unit quantities. In addition to the RMS power detectors, ADI has a wide range of products used within mobile terminals, including MEMs accelerometers, audio amplifiers, HDMI interfaces, lens driver components, power management, and audio switches.

ADI’s RF IC Portfolio Covers Entire RF Signal Chain
Using a unique combination of design skills, system understanding and process technologies, Analog Devices offers the broadest portfolio of RF ICs covering the entire RF signal chain from industry-leading high-performance RF function blocks to highly integrated WiMAX and short-range, single-chip transceiver solutions. The RF function blocks include DDS and PLL synthesizers; TruPwr RMS power detectors and logarithmic amplifiers; X-Amp® VGAs; power amplifiers, LNAs and other RF amplifiers, mixers and direct conversion modulator and demodulator products. These products are supported by a wide range of free design tools to ease the development of RF systems. For more information, visit: http://www.analog.com/RF.


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 industry-wide as the world leader in data-conversion and signal-conditioning technologies, 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 for 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. http://www.analog.com

Follow ADI on Twitter at http://www.twitter.com/ADI_News.



Contact


Analog Devices, Inc.
Colleen Cronin
781-937-1622
Colleen.cronin@analog.com








Posted 6/15/2010
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