Transcription of Femtoampere Input Bias Current Electrometer Amplifier Data ...
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Femtoampere Input bias Current Electrometer Amplifier Data Sheet ADA4530-1 Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, Box 9106, Norwood, MA 02062-9106, Tel: 2015 2017 Analog Devices, Inc. All rights reserved. Technical Support FEATURES Low Input bias Current 20 fA maximum at TA = 25 C (guaranteed at production test) 20 fA maximum at 40 C < TA < +85 C 250 fA maximum at 40 C < TA < +125 C (guaranteed at production test) Low offset voltage: 50 V maximum over specified CMRR range Offset voltage drift: V/ C typical, V/ C maximum Integrated guard buffer with 100 V maximum offset Low voltage noise density: 14 nV/ Hz at 10 kHz Wide bandwidth: 2 MHz unity-gain crossover Supply voltage: V to 16 V ( V to 8 V) Operating temperature: 40 C to +125 C Long-term offset voltage drift (10,000 hours): V typical Temperature hysteresis: V typical APPLICATIONS Laboratory and analytica
Low input bias current ±20 fA maximum at T A = 25°C (guaranteed at production test) ±20 fA maximum at −40°C < T. A < +85°C . ±250 fA maximum at −40°C < T. A < +125°C (guaranteed at production test) Low offset voltage: 50 µV maximum over specified CMRR range . Offset voltage drift: ±0.13 µV/ °C typical, ±0.5 µV/°C maximum
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