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Bob Olson ,

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Low-Power 14-bit A/D Converters Enable High-Performance, Multi-Channel Data Acquisition in Compact Package

8- and 16-channel A/D converters address space constraints in industrial, medical and communications designs.

Jan 14 2014 - Norwood, MA
  • Analog Devices, Inc. (NASDAQ: ADI) introduced today two 14-bit A/D converters that provide the lowest power in the smallest package size in their class. In industrial ultra-sound and instrumentation, healthcare imaging, military countermeasure and communications receiver applications, the 16-channel, 65-MSPS AD9249 and the 8-channel, 125-MSPS AD9681 A/D converters meet designer needs for high-performance, multi-channel data acquisition at low power where a small package size is crucial to the overall design.


    The AD9249 integrates 16 A/D converter channels into a single package and dissipates 58 mW of power per channel at 65 MSPS, which reduces thermal concerns in high-channel-count designs. The 8-channel AD9681 dissipates 110 mW per channel at 125 MSPS. Both converters are available in a compact 10-mm x 10-mm package, feature on-chip sample-and-hold circuit and achieve a spurious free dynamic range greater than 90dBc and signal-to-noise ratio of 74 dBFS or better.



    In addition to low power and a small footprint, the AD9249 and AD9681 A/D converters are easy to use with data clock outputs (DCO±1, DCO±2) that operate at frequencies of up to 500 MHZ and 455 MHz respectively and support double-data-rate operation. They require a single 1.8 V power supply and an LVPECL-/ CMOS-/LVDS-compatible sample rate clock for full performance operation. No external reference or driver components are required for many applications.


    Pricing and Availability


    Product Sample Availability/Full Production  Channel Count  Power Dissipation(Per Channel) Price Each Per 1,000  Package 
    AD9249 Now 16 58 mW @ 65 MSPS $113.86  10 mm x 10 mm 144-ball CSP-BGA
    AD9681 Now 8 110 mW @ 125 MSPS $197.20 10 mm x 10 mm 144-ball CSP-BGA
    AD9249-65EBZ Evaluation Board Now 16 58 mW @ 65 MSPS $395 10 mm x 10 mm 144-ball CSP-BGA
    AD9681-125EBZ Evaluation Board Now 8 110 mW @ 125 MSPS $395 10 mm x 10 mm 144-ball CSP-BGA


  • 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 is included in the S&P 500 Index.
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