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Analog Devices’ D/A Converter Reduces Cable Head-End Signal Chain Footprint

January 13, 2012 Press Release

-- 11-bit AD9737A 2.5-GSPS D/A converter increases number of QAM channels supported per D/A converter
   by up to 20 times
.

Visit Analog Devices

January 13, 2012

NORWOOD, Mass.--(BUSINESS WIRE)-- Analog Devices, Inc. (ADI), the data converter market share leader, today introduced an 11-bit D/A converter that enables cable television and broadband operators to synthesize the entire cable spectrum up to 1 GHz into a single RF port, while consuming a maximum of 1.1 W of power. The AD9737A 2.5-GSPS D/A converter’s wide bandwidth and dynamic range enable cable infrastructure designers to increase QAM (quadrature amplitude modulation) channel density by 20 times over present cable modem implementations, enabling improved next-generation services such as interactive television, high-definition broadcasts and new specialty channels.

View the AD9737A D/A converter product page, order samples, and download the data sheet: http://www.analog.com/AD9737A.

Get support at ADI’s EngineerZone™ online technical support community: http://ez.analog.com/community/data_converters/high-speed_dacs.

AD9737A D/A Converter Features and Benefits:
  • Low noise and intermodulation distortion enable high quality synthesis of wideband signals up to 1 GHz, reducing the number of transmit DACs required in the typical cable plant.
  • Operates from 1.8-V and 3.3-V supplies for a total power consumption of 1.1 W maximum.
  • Dual-port interface with double-data-rate LVDS data receivers supports the maximum conversion rate of 2.5 GSPS.
  • Proprietary switching technique enhances dynamic performance.
  • Output current is programmable from 8.7 mA to 31.7 mA adding flexibility in interface options.
  • Not subject to US data converter export restrictions.
Pricing, Availability and Complementary Products



Complementary components include ADI’s ADCLK914 clock/data buffer that drives the clock input of the AD9737A D/A converter with a 2 V differential swing that achieves jitter performance of 110 fs.

Data Converters: Bridging the Analog and Digital Worlds More designers turn to Analog Devices than any other supplier for the high-performance conversion technology required to bridge the analog and digital worlds in today’s myriad electronic systems. With the industry’s leading portfolio of A/D Converters (analog-to-digital converters) and D/A Converters (digital-to-analog converters), Analog Devices’ converter products feature the right combination of sampling rates, accuracy, and reduced noise, power, price, and package size required in industrial and instrumentation, medical equipment, automotive systems, communications infrastructure, and consumer electronics. Online evaluation tools help customers quickly validate, select, and design in the optimal data converters to reduce design complexity, development schedules, and bill-of-material costs. To view ADI’s A/D converter selection guide, visit www.analog.com/ADCsearch. For A/D converters drivers, visit www.analog.com/ADCdrivers. To view ADI’s D/A converters selection guide, visit www.analog.com/DACsearch.

About Analog Devices

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 technology, Analog Devices serves over 60,000 customers, representing virtually all types of electronic equipment. 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.

Subscribe to ADI’s News Feed.

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


Contacts
Analog Devices
Howard Wisniowski
781-937-1517
howard.wisniowski@analog.com




Date Posted  2/14/2012

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