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ADR127AUJZ-R21 Datasheet(PDF) 1 Page - Analog Devices |
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ADR127AUJZ-R21 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page Precision, Micropower LDO Voltage References in TSOT ADR121/ADR125/ADR127 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2006–2008 Analog Devices, Inc. All rights reserved. FEATURES Initial accuracy A grade: ±0.24% B grade: ±0.12% Maximum temperature coefficient A grade: 25 ppm/°C B grade: 9 ppm/°C Low dropout: 300 mV for ADR121/ADR125 High output current: +5 mA/−2 mA Low typical operating current: 85 μA Input range: 2.7 V to 18 V for ADR127 Temperature range: −40°C to +125°C Tiny TSOT (UJ-6) package APPLICATIONS Battery-powered instrumentation Portable medical equipment Data acquisition systems Automotive PIN CONFIGURATION NC1 1 GND 2 VIN 3 NC1 6 VOUT 4 NC1 1 MUST BE LEFT FLOATING 5 NC = NO CONNECT ADR12x TOP VIEW (Not to Scale) Figure 1. GENERAL DESCRIPTION The ADR121/ADR125/ADR127 are a family of micropower, high precision, series mode, band gap references with sink and source capability. The parts feature high accuracy and low power consumption in a tiny package. The ADR12x design includes a patented temperature-drift curvature correction technique that minimizes the nonlinearities in the output voltage vs. temperature characteristics. The ADR12x is a low dropout voltage reference, requiring only 300 mV for the ADR121/ADR125 and 1.45 V for the ADR127 above the nominal output voltage on the input to provide a stable output voltage. This low dropout performance, coupled with the low 85 μA operating current, makes the ADR12x ideal for battery-powered applications. Available in an extended industrial temperature range of −40°C to +125°C, the ADR121/ADR125/ADR127 are housed in the tiny TSOT (UJ-6) package. |
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