Datasheet ADR293 (Analog Devices)

ПроизводительAnalog Devices
ОписаниеLow Noise, Micropower 5.0 V Precision Voltage Reference
Страниц / Страница12 / 1 — Low Noise, Micropower. 5.0 V Precision Voltage Reference. ADR293. …
ВерсияD
Формат / Размер файлаPDF / 261 Кб
Язык документаанглийский

Low Noise, Micropower. 5.0 V Precision Voltage Reference. ADR293. FEATURES. PIN CONFIGURATIONS. 6.0 V to 15 V supply range. NC 1

Datasheet ADR293 Analog Devices, Версия: D

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Low Noise, Micropower 5.0 V Precision Voltage Reference ADR293 FEATURES PIN CONFIGURATIONS 6.0 V to 15 V supply range NC 1 8 NC Supply current: 15 μA maximum V ADR293 IN 2 7 NC TOP VIEW Low noise: 15 μV p-p typical (0.1 Hz to 10 Hz) NC 3 6 VOUT (Not to Scale) High output current: 5 mA GND 4 5 NC
1 00 4-
Temperature range: −40°C to +125°C NC = NO CONNECT
16 00
Pin-compatible with the REF02/REF19x
Figure 1. 8-Lead Narrow Body SOIC (R-8)
APPLICATIONS Portable instrumentation NC 1 8 NC Precision reference for 5 V systems V 2 IN ADR293 7 NC ADC and DAC reference TOP VIEW NC 3 (Not to Scale) 6 VOUT Solar-powered applications GND 4 5 NC
02 0
Loop-current powered instruments
4- 16
NC = NO CONNECT
00 Figure 2. 8-Lead TSSOP (RU-8)
GENERAL DESCRIPTION
The ADR293 is a low noise, micropower precision voltage 15 ppm/°C, and 25 ppm/°C maximum. Line regulation and load reference that utilizes an XFET® (eXtra implanted junction FET) regulation are typically 30 ppm/V and 30 ppm/mA, respectively, reference circuit. The XFET architecture offers significant maintaining the reference’s overall high performance. performance improvements over traditional band gap and The ADR293 is specified over the extended industrial buried Zener-based references. Improvements include one temperature range of –40°C to +125°C. This device is available quarter the voltage noise output of band gap references in the 8-lead SOIC and 8-lead TSSOP packages. operating at the same current, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-
Table 1. ADR29x Products
term stability.
Temperature Output Initial Coefficient
The ADR293 is a series voltage reference providing stable and
Device Voltage (V) Accuracy (%) (ppm/°C max)
accurate output voltage from a 6.0 V supply. Quiescent current ADR291 2.500 0.08, 0.12, 0.24 8, 15, 25 is only 15 μA maximum, making this device ideal for battery ADR292 4.096 0.07, 0.10, 0.15 8, 15, 25 powered instrumentation. Three electrical grades are available ADR293 5.000 0.06, 0.12, 0.20 8, 15, 25 offering initial output accuracy of ±3 mV, ±6 mV, and ±10 mV. Temperature coefficients for the three grades are 8 ppm/°C,
Rev. D 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2001-2011 Analog Devices, Inc. All rights reserved.
Document Outline FEATURES APPLICATIONS PIN CONFIGURATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION DEVICE POWER DISSIPATION CONSIDERATIONS BASIC VOLTAGE REFERENCE CONNECTIONS NOISE PERFORMANCE TURN-ON TIME APPLICATIONS KELVIN CONNECTIONS VOLTAGE REGULATOR FOR PORTABLE EQUIPMENT OUTLINE DIMENSIONS ORDERING GUIDE