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The AD515J/K/L are a family of FET-input electrometer op amps in the hermetically-sealed TO-99 package with an external guard connection. Maximum bias current (+25°C) is exceptionally low (75fA for AD515L, 150fA (K), 300fA (J)). Read full article
Dave designed medical electronic equipment before joining Analog Devices in 1972 as an IC designer. Over the years, he has been involved in analog chip design, wafer fabrication engineering, and new product development and management. Dave has been instrumental in bringing to market many new products and platforms focused on innovation and enabling new application areas. For many years, Dave led ADI’s technical support team. He earned both his BSEE and MSEE from Massachusetts Institute of Technology. For many years David led ADI's technical support team, and he is currently the Director of Technical Marketing.