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ADR512ART-REEL7 Fiches technique(PDF) 1 Page - Analog Devices |
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ADR512ART-REEL7 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 8 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 that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. ADR512 1.2 V Precision Low Noise Shunt Voltage Reference FEATURES Precision 1.200 V Voltage Reference Ultracompact 3 mm 3 mm SOT-23 Package No External Capacitor Required Low Output Noise: 4 V p-p (0.1 Hz to 10 Hz) Initial Accuracy: 0.3% Max Temperature Coefficient: 60 ppm/ C Max Operating Current Range: 100 A to 10 mA Output Impedance: 0.3 Max Temperature Range: –40 C to +85 C APPLICATIONS Precision Data Acquisition Systems Battery-Powered Equipment: Cellular Phone, Notebook Computer, PDA, and GPS 3 V/5 V, 8-/12-Bit Data Converters Portable Medical Instruments Industrial Process Control Systems Precision Instruments GENERAL DESCRIPTION Designed for space critical applications, the ADR512 is a low voltage (1.200 V), precision shunt-mode voltage reference in the ultracompact (3 mm 3 mm) SOT-23 package. The ADR512 features low temperature drift (60 ppm/ C), high accuracy ( 0.30%), and ultralow noise (4 V p-p) performance. The ADR512’s advanced design eliminates the need for an external capacitor, yet it is stable with any capacitive load. The minimum operating current increases from a scant 100 A to a maximum of 10 mA. This low operating current and ease of use make the ADR512 ideally suited for handheld battery-powered applications. PIN CONFIGURATION 3-Lead SOT-23 1 3 2 V+ V– ADR512 TRIM/NC A TRIM terminal is available on the ADR512 to provide adjust- ment of the output voltage over 0.5% without affecting the temperature coefficient of the device. This feature provides users with the flexibility to trim out any system errors. VS RBIAS IQ IL VOUT = 1.2V COUT (OPTIONAL) IL + IQ VS – VOUT IL + IQ RBIAS = ADR512 Figure 1. Typical Operating Circuit ADR512 Output Initial Temperature Voltage Accuracy Coefficient Model (VO) (mV) (%) (ppm/ C) ADR512ART-REEL7 1.200 3.5 0.3 60 |
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