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AD8552ARU Datasheet(PDF) 1 Page - Analog Devices |
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AD8552ARU Datasheet(HTML) 1 Page - Analog Devices |
1 / 24 page Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers AD8551/AD8552/AD8554 Rev. C 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 ©1999–2007 Analog Devices, Inc. All rights reserved. FEATURES Low offset voltage: 1 μV Input offset drift: 0.005 μV/°C Rail-to-rail input and output swing 5 V/2.7 V single-supply operation High gain, CMRR, PSRR: 130 dB Ultralow input bias current: 20 pA Low supply current: 700 μA/op amp Overload recovery time: 50 μs No external capacitors required APPLICATIONS Temperature sensors Pressure sensors Precision current sensing Strain gage amplifiers Medical instrumentation Thermocouple amplifiers GENERAL DESCRIPTION This family of amplifiers has ultralow offset, drift, and bias current. The AD8551, AD8552, and AD8554 are single, dual, and quad amplifiers featuring rail-to-rail input and output swings. All are guaranteed to operate from 2.7 V to 5 V with a single supply. The AD855x family provides the benefits previously found only in expensive auto-zeroing or chopper-stabilized amplifiers. Using Analog Devices, Inc. topology, these new zero-drift amplifiers combine low cost with high accuracy. No external capacitors are required. With an offset voltage of only 1 μV and drift of 0.005 μV/°C, the AD855x are perfectly suited for applications in which error sources cannot be tolerated. Temperature, position and pressure sensors, medical equipment, and strain gage amplifiers benefit greatly from nearly zero drift over their operating temperature range. The rail-to-rail input and output swings provided by the AD855x family make both high-side and low-side sensing easy. The AD855x family is specified for the extended industrial/auto motive temperature range (−40°C to +125°C). The AD8551 single amplifier is available in 8-lead MSOP and 8-lead narrow SOIC packages. The AD8552 dual amplifier is available in 8-lead narrow SOIC and 8-lead TSSOP surface-mount packages. The AD8554 quad is available in 14-lead narrow SOIC and 14-lead TSSOP packages. PIN CONFIGURATIONS –IN A +IN A V– V+ OUT A NC NC NC = NO CONNECT NC 18 AD8551 45 Figure 1. 8-Lead MSOP (RM Suffix) –IN A V– +IN A V+ OUT A NC NC NC NC = NO CONNECT AD8551 1 2 3 4 8 7 6 5 Figure 2. 8-Lead SOIC (R Suffix) –IN A +IN A V– OUT B –IN B +IN B OUT A V+ 18 AD8552 45 Figure 3. 8-Lead TSSOP (RU Suffix) –IN A V– +IN A OUT B –IN B V+ +IN B OUT A AD8552 1 2 3 4 8 7 6 5 Figure 4. 8-Lead SOIC (R Suffix) OUT A –IN A +IN A V+ –IN D +IN D V– OUT D +IN B –IN B OUT B –IN C OUT C +IN C AD8554 114 78 Figure 5. 14-Lead TSSOP (RU Suffix) 14 13 12 11 10 9 8 1 2 3 4 5 6 7 –IN A +IN A V+ +IN B –IN B OUT B OUT D –IN D +IN D V– +IN C –IN C OUT C OUT A AD8554 Figure 6. 14-Lead SOIC (R Suffix) |
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