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AD8677 데이터시트(PDF) 1 Page - Analog Devices |
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AD8677 데이터시트(HTML) 1 Page - Analog Devices |
1 / 16 page 130 μV Maximum Offset Voltage Op Amp in TSOT AD8677 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 © 2005 Analog Devices, Inc. All rights reserved. FEATURES PIN CONFIGURATIONS AD8677 TOP VIEW (Not to Scale) 1 2 3 OUT V– +IN 5 4 V+ –IN Low offset voltage: 130 μV max Input offset drift: 1.5 μV/°C max Low noise: 0.25 μV p-p High gain, CMRR and PSRR: 115 dB min Low supply current: 1.1 mA Figure 1. 5-Lead TSOT (UJ-5) Wide supply voltage range: ±4 V to ±18 V operation NC = NO CONNECT AD8677 TOP VIEW (Not to Scale) 1 2 3 4 NULL –IN +IN V– 8 7 6 5 NULL V+ OUT NC APPLICATIONS Medical and industrial instrumentation Sensors and controls Thermocouple RTDs Figure 2. 8-Lead SOIC_N (R-8) Strain bridges Shunt current measurements Precision filters GENERAL DESCRIPTION The AD8677 is the next generation of precision, ultralow offset amplifiers. It builds on the high performance of the OP07 and integrates lower power (1.1 mA typical), lower input bias current (±1 nA maximum), and higher CMRR/PSRR (130 dB) in the small TSOT package. Operation is fully specified from ±5 V to ±15 V supply. The AD8677 provides higher accuracy than industry-standard OP07-type amplifiers due to Analog Devices’ iPolar™ process, which supports enhanced performance in a smaller footprint. These performance enhancements include wider output swing, lower power, and higher CMRR (common-mode rejection ratio) and PSRR (power supply rejection ratio). The AD8677 maintains stability of offsets and gain virtually regardless of variations in time or temperature. Excellent linearity and gain accuracy can be maintained at high closed-loop gains. The AD8677 is fully specified over the extended industrial tem- perature range of −40°C to +125°C. The AD8677 amplifier is available in the tiny, 5-lead TSOT and the popular 8-lead, narrow SOIC lead-free packages. |
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