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ADR293TRU-EP Scheda tecnica(PDF) 1 Page - Analog Devices |
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ADR293TRU-EP Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 12 page Low Noise, Micropower 5.0 V Precision Voltage Reference ADR293-EP Rev. 0 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 www.analog.com Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved. FEATURES 6.0 V to 15 V supply range Supply current: 15 μA maximum Low noise: 15 μV p-p typical (0.1 Hz to 10 Hz) High output current: 5 mA Pin-compatible with the REF02/REF19x ENHANCED PRODUCT FEATURES Supports defense and aerospace applications (AQEC standard) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Enhanced product change notification Qualification data available on request APPLICATIONS Portable instrumentation Precision reference for 5 V systems ADC and DAC reference Solar-powered applications PIN CONFIGURATION TOP VIEW (Not to Scale) 1 2 3 4 ADR293-EP VIN NC GND NC 8 7 6 5 NC VOUT NC NC NC = NO CONNECT Figure 1. 8-Lead TSSOP (RU-8) GENERAL DESCRIPTION The ADR293-EP is a low noise, micropower precision voltage reference that utilizes an XFET® (eXtra implanted junction FET) reference circuit. The XFET architecture offers significant performance improvements over traditional band gap and buried Zener-based references. Improvements include one quarter the voltage noise output of band gap references operating at the same current, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long- term stability. The ADR293-EP is a series voltage reference providing stable and accurate output voltage from a 6.0 V supply. Quiescent current is only 15 μA maximum, making this device ideal for battery powered instrumentation. The temperature coefficient is 30 ppm/°C maximum over the military temperature range, and the initial error is only 0.2% at 25°C. Line regulation and load regulation are typically 70 ppm/V and 30 ppm/mA, respectively, maintaining the reference’s overall high performance. The ADR293-EP is specified over the military temperature range of –55°C to +125°C. This device is available in an 8-lead TSSOP package. Additional applications information is available in the ADR293 data sheet. |
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