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Low-power 14-bit A/D converters for multi-channel data acquisition

Low-power 14-bit A/D converters for multi-channel data acquisition

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By eeNews Europe



Joining the 16-channel, 65-MSPS AD9249 (details; here) is Analog Devices’ 8-channel, 125-MSPS AD9681. For industrial ultra-sound and instrumentation, healthcare imaging, military countermeasure and communications receiver applications, the converters meet needs for high-performance, multi-channel data acquisition at low power where a small package size is crucial to the overall design.

The 8-channel AD9681 dissipates 110 mW per channel at 125 MSPS: other specifications mirror those of the 9249. Both converters are available in a compact 10-mm x 10-mm package, feature on-chip sample-and-hold circuitry and achieve a spurious free dynamic range greater than 90 dBc and signal-to-noise ratio of 74 dBFS or better.

Analog Devices; www.analog.com/AD9681

Evaluation boards: www.analog.com/en/evaluation/EVAL-AD9681/eb.html and www.analog.com/en/evaluation/EVAL-AD9249/eb.html

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