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AD8541ART-R2 Datasheet(PDF) 1 Page - Analog Devices |
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AD8541ART-R2 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page General-Purpose CMOS Rail-to-Rail Amplifiers AD8541/AD8542/AD8544 Rev. F 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 ©2008 Analog Devices, Inc. All rights reserved. FEATURES Single-supply operation: 2.7 V to 5.5 V Low supply current: 45 μA/amplifier Wide bandwidth: 1 MHz No phase reversal Low input currents: 4 pA Unity gain stable Rail-to-rail input and output APPLICATIONS ASIC input or output amplifiers Sensor interfaces Piezoelectric transducer amplifiers Medical instrumentation Mobile communications Audio outputs Portable systems GENERAL DESCRIPTION The AD8541/AD8542/AD8544 are single, dual, and quad rail- to-rail input and output, single-supply amplifiers featuring very low supply current and 1 MHz bandwidth. All are guaranteed to operate from a 2.7 V single supply as well as a 5 V supply. These parts provide 1 MHz bandwidth at a low current consumption of 45 μA per amplifier. Very low input bias currents enable the AD8541/AD8542/AD8544 to be used for integrators, photodiode amplifiers, piezoelectric sensors, and other applications with high source impedance. The supply current is only 45 μA per amplifier, ideal for battery operation. Rail-to-rail inputs and outputs are useful to designers buffering ASICs in single-supply systems. The AD8541/AD8542/AD8544 are optimized to maintain high gains at lower supply voltages, making them useful for active filters and gain stages. The AD8541/AD8542/AD8544 are specified over the extended industrial temperature range (–40°C to +125°C). The AD8541 is available in 5-lead SOT-23, 5-lead SC70, and 8-lead SOIC packages. The AD8542 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead TSSOP surface-mount packages. The AD8544 is available in 14-lead narrow SOIC and 14-lead TSSOP surface- mount packages. All MSOP, SC70, and SOT versions are available in tape and reel only. PIN CONFIGURATIONS 1 2 3 5 4 –IN A +IN A V+ OUT A AD8541 V– Figure 1. 5-Lead SC70 and 5-Lead SOT-23 (KS and RJ Suffixes) NC –IN A +IN A V– V+ OUT A NC NC 1 2 3 4 8 7 6 5 AD8541 NC = NO CONNECT Figure 2. 8-Lead SOIC (R Suffix) AD8542 1 2 3 4 8 7 6 5 OUT A –IN A +IN A V– +IN B –IN B OUT B V+ Figure 3. 8-Lead SOIC, 8-Lead MSOP, and 8-Lead TSSOP (R, RM, and RU Suffixes) AD8544 1 2 3 4 14 13 12 11 OUT A –IN A +IN A V+ V– +IN D –IN D OUT D 5 6 7 10 9 8 +IN B –IN B OUT B OUT C –IN C +IN C Figure 4. 14-Lead SOIC and 14-Lead TSSOP (R and RU Suffixes) |
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