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ADA4522-1ARZ Datasheet(PDF) 1 Page - Analog Devices |
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ADA4522-1ARZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 32 page 55 V, EMI Enhanced, Zero Drift, Ultralow Noise, Rail-to-Rail Output Operational Amplifiers Data Sheet ADA4522-1/ADA4522-2/ADA4522-4 Rev. E 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 ©2015–2016 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Low offset voltage: 5 µV maximum Extremely low offset voltage drift: 22 nV/°C maximum Low voltage noise density: 5.8 nV/√Hz typical 117 nV p-p typical from 0.1 Hz to 10 Hz Low input bias current: 50 pA typical Unity-gain crossover: 3 MHz typical Single-supply operation: input voltage range includes ground and rail-to-rail output Wide range of operating voltages Single-supply operation: 4.5 V to 55 V Dual-supply operation: ±2.25 V to ±27.5 V Integrated EMI filters Unity-gain stable APPLICATIONS Inductance, capacitance, and resistance (LCR) meter/megohmmeter front-end amplifiers Load cell and bridge transducers Magnetic force balance scales High precision shunt current sensing Thermocouple/resistance temperature detector (RTD) sensors Programmable logic controller (PLC) input and output amplifiers GENERAL DESCRIPTION The ADA4522-1/ADA4522-2/ADA4522-4 are single/dual/quad channel, zero drift op amps with low noise and power, ground sensing inputs, and rail-to-rail output, optimized for total accuracy over time, temperature, and voltage conditions. The wide operating voltage and temperature ranges, as well as the high open-loop gain and very low dc and ac errors make the devices well suited for amplifying very small input signals and for accurately reproducing larger signals in a wide variety of applications. The ADA4522-1/ADA4522-2/ADA4522-4 performance is specified at 5.0 V, 30 V, and 55 V power supply voltages. These devices operate over the range of 4.5 V to 55 V, and are excellent for applications using single-ended supplies of 5 V, 10 V, 12 V, and 30 V, or for applications using higher single supplies and dual supplies of ±2.5 V, ±5 V, and ±15 V. The ADA4522-1/ ADA4522-2/ADA4522-4 use on-chip filtering to achieve high immunity to electromagnetic interference (EMI). The ADA4522-1/ADA4522-2/ADA4522-4 are fully specified over the extended industrial temperature range of −40°C to +125°C and are available in 8-lead MSOP, 8-lead SOIC, 14-lead SOIC, and 14-lead TSSOP packages. PIN CONNECTION DIAGRAM OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 ADA4522-2 TOP VIEW (Not to Scale) Figure 1. 8-Lead MSOP (RM Suffix) and 8-Lead SOIC (R Suffix) Pin Configuration For the ADA4522-1 and ADA4522-4 pin connections and for more information about the pin connections for these products, see the Pin Configurations and Function Descriptions section. 100 10 1 0.1 10 100k 1M 10k 1k 100 FREQUENCY (Hz) AV = 100 5V 30V 55V Figure 2. Voltage Noise Density vs. Frequency, VSY = ±15 V Table 1. Zero Drift Op Amps (<0.1 µV/°C) Supply Voltage 5 V 16 V 30 V 55 V Single ADA4528-1 AD8638 ADA4638-1 ADA4522-1 AD8628 AD8538 ADA4051-1 Dual ADA4528-2 AD8639 ADA4522-2 AD8629 AD8539 ADA4051-2 Quad AD8630 ADA4522-4 |
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