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ADA4084-2ARZ Datasheet(PDF) 1 Page - Analog Devices |
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ADA4084-2ARZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 35 page 30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Amplifiers Data Sheet ADA4084-1/ADA4084-2/ADA4084-4 Rev. H Document Feedback 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 ©2011–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Rail-to-rail input/output Low power: 0.625 mA typical per amplifier at ±15 V Gain bandwidth product: 15.9 MHz at AV = 100 typical Unity-gain crossover: 9.9 MHz typical −3 dB closed-loop bandwidth: 13.9 MHz typical at ±15 V Low offset voltage: 100 μV maximum (SOIC) Unity-gain stable High slew rate: 4.6 V/μs typical Low noise: 3.9 nV/√Hz typical at 1 kHz APPLICATIONS Battery-powered instrumentation High-side and low-side sensing Power supply control and protection Telecommunications Digital-to-analog converter (DAC) output amplifiers Analog-to-digital converter (ADC) input buffers PIN CONNECTION DIAGRAM NOTES 1. FOR THE LFCSP PACKAGE, THE EXPOSED PAD MUST BE CONNECTED TO V–. 3 +IN A 4 V– 1 OUT A 2 –IN A 6–IN B 5+IN B 8V+ 7OUT B ADA4084-2 Figure 1. ADA4084-2, 8-Lead LFCSP (CP) See the Pin Configurations and Function Descriptions section for additional pin configurations and information about the pin functions. GENERAL DESCRIPTION The ADA4084-1 (single), ADA4084-2 (dual), and ADA4084-4 (quad) are single-supply, 10 MHz bandwidth amplifiers featuring rail-to-rail inputs and outputs. They are guaranteed to operate from +3 V to +30 V (or ±1.5 V to ±15 V). These amplifiers are well suited for single-supply applications requiring both ac and precision dc performance. The combination of wide bandwidth, low noise, and precision makes the ADA4084-1, ADA4084-2, and ADA4084-4 useful in a wide variety of applications, including filters and instrumentation. Other applications for these amplifiers include portable telecom- munications equipment, power supply control and protection, and use as amplifiers or buffers for transducers with wide output ranges. Sensors requiring a rail-to-rail input amplifier include Hall effect, piezoelectric, and resistive transducers. The ability to swing rail to rail at both the input and output enables designers to build multistage filters in single-supply systems and to maintain high signal-to-noise ratios. The ADA4084-1, ADA4084-2, and ADA4084-4 are specified over the industrial temperature range of −40°C to +125°C. The single ADA4084-1 is available in the 5-lead SOT-23 and 8-lead SOIC; the dual ADA4084-2 is available in the 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP surface-mount packages; and the ADA4084-4 is offered in the 14-lead TSSOP and 16-lead LFCSP. The ADA4084-1, ADA4084-2, and ADA4084-4 are members of a growing series of high voltage, low noise op amps offered by Analog Devices, Inc. (see Table 1). Table 1. Low Noise Op Amps Single Dual Quad Voltage Noise AD8597 AD8599 1.1 nV/Hz ADA4004-1 ADA4004-2 ADA4004-4 1.8 nV/Hz AD8675 AD8676 2.8 nV/Hz rail-to-rail output AD8671 AD8672 AD8674 2.8 nV/Hz OP27, OP37 3.2 nV/Hz ADA4084-1 ADA4084-2 ADA4084-4 3.9 nV/Hz rail-to-rail input/output |
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