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AD8211YRJZ-R21 Datasheet(PDF) 1 Page - Analog Devices |
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AD8211YRJZ-R21 Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page High Voltage Current Shunt Monitor AD8211 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 ©2007 Analog Devices, Inc. All rights reserved. FEATURES ±4000 V HBM ESD High common-mode voltage range −2 V to +65 V operating −3 V to +68 V survival Buffered output voltage Wide operating temperature range 5-lead SOT: −40°C to +125°C Excellent ac and dc performance 5 μV/°C typical offset drift −13 ppm/°C typical gain drift 120 dB typical CMRR at dc APPLICATIONS High-side current sensing Motor controls Transmission controls Engine management Suspension controls Vehicle dynamic controls DC-to-dc converters FUNCTIONAL BLOCK DIAGRAM VIN+ V+ OUT G = +20 AD8211 A1 PROPRIETARY OFFSET CIRCUITRY VIN– GND Figure 1. GENERAL DESCRIPTION The AD8211 is a high voltage, precision current shunt amplifier. It features a set gain of 20 V/V, with a typical ±0.5% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. Excellent common- mode rejection from −2 V to +65 V is independent of the 5 V supply. The AD8211 performs unidirectional current measure- ments across a shunt resistor in a variety of industrial and automotive applications, such as motor control, solenoid control, or battery management. Special circuitry is devoted to output linearity being maintained throughout the input differential voltage range of 0 mV to 250 mV, regardless of the common-mode voltage present. The AD8211 has an operating temperature range of −40°C to +125°C and is offered in a small 5-lead SOT package. |
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