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AD8648 Fiches technique(PDF) 1 Page - Analog Devices |
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AD8648 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 12 page Low Cost, 24 MHz, Rail-to-Rail, Quad Amplifiers AD8648 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Low offset voltage: 2.5 mV max Single-supply operation: 2.7 V to 5.5 V Low noise: 6 nV/√Hz Wide bandwidth: 24 MHz Slew rate: 12 V/μs High output current: 150 mA No phase reversal Low input bias current: 1 pA Low supply current: 2 mA max Unity-gain stable APPLICATIONS Barcode scanners Battery-powered instrumentation Multipole filters Sensors ASIC input or output amplifiers Audio Photodiode amplification PIN CONFIGURATIONS 1 2 3 4 5 6 7 AD8648 –IN A +IN A V+ OUT B –IN B +IN B OUT A 14 13 12 11 10 9 8 –IN D +IN D V– OUT C –IN C +IN C OUT D TOP VIEW (Not to Scale) 1 2 3 4 5 6 7 AD8648 14 13 12 11 10 9 8 TOP VIEW (Not to Scale) Figure 1. 14-Lead TSSOP (RU-14) OUT A 1 –IN A 2 +IN A 3 V+ 4 OUT D 14 –IN D 13 +IN D 12 V– 11 +IN B 5 +IN C 10 –IN B 6 –IN C 9 OUT B 7 OUT C 8 AD8648 TOP VIEW (Not to Scale) 1 2 3 4 14 13 12 11 5 10 6 9 7 8 AD8648 TOP VIEW (Not to Scale) Figure 2. 14-Lead SOIC (R-14) GENERAL DESCRIPTION The AD8648 is a quad, rail-to-rail, input and output, single- supply amplifier featuring low offset voltage, wide signal bandwidth, and low input voltage and current noise. The combination of 24 MHz bandwidth, low offset, low noise, and very low input bias current makes these amplifiers useful in a wide variety of applications. Filters, integrators, photodiode amplifiers, and high impedance sensors all benefit from the combination of performance features. AC applications benefit from the wide bandwidth and low distortion. The AD8648 family offers high output drive capability, which is excellent for audio line drivers and other low impedance applications. Applications for the part include portable and low powered instrumentation, audio amplification for portable devices, portable phone headsets, bar code scanners, and multipole filters. The ability to swing rail to rail at both the input and output enables designers to buffer CMOS ADCs, DACs, ASICs, and other wide output swing devices in single-supply systems. |
Numéro de pièce similaire - AD8648 |
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Description similaire - AD8648 |
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