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ADR1581BRTZ-R21 데이터시트(PDF) 1 Page - Analog Devices |
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ADR1581BRTZ-R21 데이터시트(HTML) 1 Page - Analog Devices |
1 / 12 page 1.25 V Micropower, Precision Shunt Voltage Reference ADR1581 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. PIN CONFIGURATION FEATURES Wide operating range: 60 μA to 10 mA NC = NO CONNECT TOP VIEW V+ 1 V– 2 NC (OR V–) 3 ADR1581 Initial accuracy: ±0.12% maximum Temperature drift: ±50 ppm/°C maximum Output impedance: 0.5 Ω maximum Wideband noise (10 Hz to 10 kHz): 20 μV rms Operating temperature range: −40°C to +85°C High ESD rating Figure 1. SOT-23 4 kV human body model 0 2 4 6 8 10 12 14 16 18 20 TEMPERATURE DRIFT (ppm/°C) –20 –10 0 10 20 400 V machine model Compact, surface-mount SOT-23 package APPLICATIONS Portable, battery-powered equipment Cellular phones, notebook computers, PDAs, GPSs, and DMMs Computer workstations Suitable for use with a wide range of video RAMDACs Smart industrial transmitters PCMCIA cards Automotive 3 V/5 V, 8-bit to 12-bit data converters GENERAL DESCRIPTION Figure 2. Reverse Voltage Temperature Drift Distribution The ADR15811 is a low cost, 2-terminal (shunt), precision band gap reference. It provides an accurate 1.250 V output for input currents between 60 μA and 10 mA. 0 10 20 30 40 50 60 70 80 90 100 OUTPUT ERROR (mV) –5 –4 –3 –2 –1 0 1 2 3 4 5 The superior accuracy and stability of the ADR1581 is made possible by the precise matching and thermal tracking of on- chip components. Proprietary curvature correction design techniques have been used to minimize the nonlinearities in the voltage output temperature characteristics. The ADR1581 is stable with any value of capacitive load. The low minimum operating current makes the ADR1581 ideal for use in battery-powered 3 V or 5 V systems. However, the wide operating current range means that the ADR1581 is extremely versatile and suitable for use in a wide variety of high current applications. Figure 3. Reverse Voltage Error Distribution The ADR1581 is available in two grades, A and B, both of which are provided in the SOT-23 package. Both grades are specified over the industrial temperature range of −40°C to +85°C. 1 Protected by U.S. Patent No. 5,969,657. |
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