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AD8622 Fiches technique(PDF) 1 Page - Analog Devices |
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AD8622 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 4 page Dual, Low Power, Low Noise, Low Bias Current Precision Rail-to-Rail Output Op Amp Preliminary Technical Data AD8622 Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2008 Analog Devices, Inc. All rights reserved. FEATURES Very low offset voltage: 50 μV B-grade maximum 100 μV A-grade maximum Low Bias Current: 200 pA 200 μA supply current Rail-to-rail output swing Low input offset drift: 0.8 μV/°C maximum Low voltage noise at low power 12 nV/√Hz Operating Temperature: −40°C to +125°C ±2.5 V to ±18 V operation APPLICATIONS Portable Precision instrumentation Process Control Inputs Laser diode control loops Strain gage amplifiers Medical instrumentation Thermocouple amplifiers PIN CONFIGURATIONS Figure 1. 8-Lead SOIC or MSOP GENERAL DESCRIPTION The AD8622 is a dual low power (330 μA max over temperature and supply), precision, rail-to-rail operational amplifiers. The AD8622 is designed on ADI’s iPOLARTM process implementing bias cancellation circuits to guarantee low bias current over temperature. ADI’s proprietary iPolar process is an advanced bipolar technology implementing vertical junction isolation with lateral trench isolation, allowing for low noise performance amplifiers in smaller die size at faster speed and lower power. These operational amplifiers offer ultralow offset, drift, and voltage noise combined with very low input bias currents over the full operating temperature range. Operation is fully specified from ±5 V to ±15 V. With typical offset voltage of only 10 μV, offset drift of 0.2 μV/°C, and noise of only TBD μV p-p (0.1 Hz to 10 Hz), these is perfectly suited for applications where large error sources cannot be tolerated. Many systems can take advantage of the low bias current, low noise, dc precision, and rail- to-rail output swing provided by the devices to maximize SNR and dynamic range for low power operation. OUTA 1 -INA 2 +INA 3 V- 4 V+ 8 OUTB 7 -INB 6 +INB 5 AD8622 TOP VIEW OUTA 1 -INA 2 +INA 3 V- 4 V+ 8 OUTB 7 -INB 6 +INB 5 AD8622 TOP VIEW |
Numéro de pièce similaire - AD8622 |
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Description similaire - AD8622 |
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