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ADA4528-2ARMZ Datasheet(PDF) 1 Page - Analog Devices |
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ADA4528-2ARMZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 28 page Precision, Ultralow Noise, RRIO, Zero-Drift Op Amp Data Sheet ADA4528-1/ADA4528-2 Rev. D Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2011–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Low offset voltage: 2.5 µV maximum Low offset voltage drift: 0.015 μV/°C maximum Low noise 5.6 nV/√Hz at f = 1 kHz, AV = +100 97 nV p-p at f = 0.1 Hz to 10 Hz, AV = +100 Open-loop gain: 130 dB minimum CMRR: 135 dB minimum PSRR: 130 dB minimum Unity-gain crossover: 4 MHz Gain bandwidth product: 3 MHz at AV = +100 −3 dB closed-loop bandwidth: 6.2 MHz Single-supply operation: 2.2 V to 5.5 V Dual-supply operation: ±1.1 V to ±2.75 V Rail-to-rail input and output Unity-gain stable APPLICATIONS Thermocouple/thermopile Load cell and bridge transducers Precision instrumentation Electronic scales Medical instrumentation Handheld test equipment GENERAL DESCRIPTION The ADA4528-1/ADA4528-2 are ultralow noise, zero-drift operational amplifiers featuring rail-to-rail input and output swing. With an offset voltage of 2.5 μV, offset voltage drift of 0.015 μV/°C, and typical noise of 97 nV p-p (0.1 Hz to 10 Hz, AV = +100), the ADA4528-1/ADA4528-2 are well suited for applications in which error sources cannot be tolerated. The ADA4528-1/ADA4528-2 have a wide operating supply range of 2.2 V to 5.5 V, high gain, and excellent CMRR and PSRR specifications, which make it ideal for applications that require precision amplification of low level signals, such as position and pressure sensors, strain gages, and medical instrumentation. The ADA4528-1/ADA4528-2 are specified over the extended industrial temperature range (−40°C to +125°C). The ADA4528-1 and ADA4528-2 are available in 8-lead MSOP and 8-lead LFCSP packages. For more information about the ADA4528-1/ADA4528-2, see the AN-1114 Application Note, Lowest Noise Zero-Drift Amplifier Has 5.6 nV/√Hz Voltage Noise Density. PIN CONNECTION DIAGRAMS NIC 1 –IN 2 +IN 3 V– 4 NIC 8 V+ 7 OUT 6 NIC 5 NOTES 1. NIC = NO INTERNAL CONNECTION. ADA4528-1 TOP VIEW (Not to Scale) Figure 1. ADA4528-1 Pin Configuration, 8-Lead MSOP ADA4528-1 TOP VIEW (Not to Scale) 3 +IN 4 V– 1 NIC 2 –IN 6 OUT 5 NIC 8 NIC 7 V+ NOTES 1. NIC = NO INTERNAL CONNECTION. 2. CONNECT THE EXPOSED PAD TO V– OR LEAVE IT UNCONNECTED. Figure 2. ADA4528-1 Pin Configuration, 8-Lead LFCSP For ADA4528-2 pin connections and for more information about the pin connections for these products, see the Pin Configurations and Function Descriptions section. 1 10 100 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) VSY = 5V VCM = VSY/2 AV = 1 Figure 3. Voltage Noise Density vs. Frequency Table 1. Analog Devices, Inc., Zero-Drift Op Amp Portfolio1 Type Ultralow Noise Micropower (<20 µA) Low Power (<1 mA) 16 V Operating Voltage 30 V Operating Voltage Single ADA4528-1 ADA4051-1 AD8628 AD8638 ADA4638-1 AD8538 Dual ADA4528-2 ADA4051-2 AD8629 AD8639 AD8539 Quad AD8630 1 See www.analog.com for the latest selection of zero-drift operational amplifiers. |
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