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ADR4520ARZ-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADR4520ARZ-R7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 32 page Ultralow Noise, High Accuracy Voltage References Data Sheet ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550 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 ©2012 Analog Devices, Inc. All rights reserved. FEATURES Maximum temperature coefficient (TCVOUT): 2 ppm/°C Output noise (0.1 Hz to 10 Hz) Less than 1 μV p-p at VOUT of 2.048 V typical Initial output voltage error: ±0.02% (maximum) Input voltage range: 3 V to 15 V Operating temperature: −40°C to +125°C Output current: +10 mA source/−10 mA sink Low quiescent current: 950 μA (maximum) Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V) 8-lead SOIC package APPLICATIONS Precision data acquisition systems High resolution data converters High precision measurement devices Industrial instrumentation Medical devices Automotive battery monitoring PIN CONFIGURATION Figure 1. 8-Lead SOIC GENERAL DESCRIPTION The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ ADR4550 devices are high precision, low power, low noise voltage references featuring ±0.02% maximum initial error, excellent temperature stability, and low output noise. This family of voltage references uses an innovative core topology to achieve high accuracy while offering industry-leading temperature stability and noise performance. The low, thermally induced output voltage hysteresis and low long-term output voltage drift of the devices also improve system accuracy over time and temperature variations. A maximum operating current of 950 μA and a maximum low dropout voltage of 300 mV allow the devices to function very well in portable equipment. The ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ ADR4550 series of references is provided in an 8-lead SOIC package and is available in a wide range of output voltages, all of which are specified over the extended industrial temperature range of −40°C to +125°C. Table 1. Selection Guide Model Output Voltage (V) ADR4520 2.048 ADR4525 2.5 ADR4530 3.0 ADR4533 3.3 ADR4540 4.096 ADR4550 5.0 Table 2. Voltage Reference Choices from Analog Devices VOUT (V) Low Cost/ Low Power Micropower Ultralow Noise High Voltage, High Performance 2.048 ADR360 REF191 ADR430 ADR3420 ADR440 2.5 ADR3425 ADR291 ADR431 ADR03 AD1582 REF192 ADR441 AD780 ADR361 5.0 ADR3450 ADR293 ADR435 ADR02 AD1585 REF195 ADR445 AD586 ADR365 NC 1 VIN 2 NC 3 GND 4 TP 8 NC 7 VOUT 6 NC 5 NOTES 1. NC = NO CONNECT. 2. TP = TEST PIN. DO NOT CONNECT. ADR4520/ADR4525/ ADR4530/ADR4533/ ADR4540/ADR4550 TOP VIEW (Not to Scale) |
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