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ADA4522-4ARUZ-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADA4522-4ARUZ-R7 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 48 page  Data Sheet ADA4522-1/ADA4522-2/ADA4522-4 55 V, EMI Enhanced, Zero Drift, Ultralow Noise, Rail-to-Rail Output Operational Amplifiers Rev I; 3/25 DOCUMENT FEEDBACK TECHNICAL SUPPORT One Analog Way, Wilmington, MA 01887 -2356, U.S.A. Tel: 781.329.4700 ©2024 Analog Devices, Inc. All rights reserved. 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 AEC-Q100 qualified for automotive applications 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 Automotive sensors On-board chargers (OBC) and DC-DC converters Battery management systems (BMS) Traction inverter 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. Figure 1. Voltage Noise Density vs. Frequency, VSY= 5 V, 30 V, 55 V 100 10 1 0.1 10 100k 1M 10k 1k 100 FREQUENCY (Hz) AV = 100 5V 30V 55V |
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