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AD8572AR 数据表(PDF) 1 Page - Analog Devices |
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AD8572AR 数据表(HTML) 1 Page - Analog Devices |
1 / 19 page REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD8571/AD8572/AD8574 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifiers 8-Lead SOIC (R Suffix) 1 2 3 4 8 7 6 5 AD8571 IN A V +IN A V+ OUT A NC NC NC NC = NO CONNECT 1 2 3 4 8 7 6 5 AD8572 IN A V +IN A OUT B IN B V+ +IN B OUT A 14-Lead SOIC (R Suffix) 14 13 12 11 10 9 8 1 2 3 4 5 6 7 IN A +IN A V+ +IN B IN B OUT B OUT D IN D +IN D V +IN C IN C OUT C OUT A AD8574 FEATURES Low Offset Voltage: 1 V Input Offset Drift: 0.005 V/ C Rail-to-Rail Input and Output Swing 5 V/2.7 V Single-Supply Operation High Gain, CMRR, PSRR: 130 dB Ultralow Input Bias Current: 20 pA Low Supply Current: 750 A/Op Amp Overload Recovery Time: 50 s No External Capacitors Required APPLICATIONS Temperature Sensors Pressure Sensors Precision Current Sensing Strain Gage Amplifiers Medical Instrumentation Thermocouple Amplifiers GENERAL DESCRIPTION This new family of amplifiers has ultralow offset, drift and bias current. The AD8571, AD8572 and AD8574 are single, dual and quad amplifiers featuring rail-to-rail input and output swings. All are guaranteed to operate from 2.7 V to 5 V single supply. The AD857x family provides the benefits previously found only in expensive autozeroing or chopper-stabilized amplifiers. Using Analog Devices’ new topology these new zero-drift amplifiers combine low cost with high accuracy. (No external capacitors are required.) In addition, using a patented spread-spectrum autozero technique, the AD857x family virtually eliminates the intermodulation effects from interaction of the chopping function with the signal frequency in ac applications. With an offset voltage of only 1 µV and drift of 0.005 µV/°C, the AD8571 is perfectly suited for applications where error sources cannot be tolerated. Position, and pressure sensors, medical equipment, and strain gage amplifiers benefit greatly from nearly zero drift over their operating temperature range. Many more systems require the rail-to-rail input and output swings provided by the AD857x family. The AD857x family is specified for the extended industrial/automotive (–40 °C to +125°C) temperature range. The AD8571 single is available in 8-lead MSOP and narrow 8-lead SOIC packages. The AD8572 dual amplifier is available in 8-lead narrow SO and 8-lead TSSOP surface mount packages. The AD8574 quad is available in narrow 14-lead SOIC and 14-lead TSSOP packages. 8-Lead MSOP (RM Suffix) IN A IN A V V+ OUT A NC 1 45 8 AD8571 NC NC = NO CONNECT NC 8-Lead TSSOP (RU Suffix) IN A +IN A V OUT B IN B +IN B V+ 1 4 5 8 AD8572 OUT A 14-Lead TSSOP (RU Suffix) OUT A IN A IN A V IN D IN D V OUT D N B IN B OUT B IN C OUT C IN C AD8574 1 14 78 PIN CONFIGURATIONS 8-Lead SOIC (R Suffix) |
类似零件编号 - AD8572AR |
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类似说明 - AD8572AR |
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