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ADR293GT9-REEL 데이터시트(PDF) 1 Page - Analog Devices |
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ADR293GT9-REEL 데이터시트(HTML) 1 Page - Analog Devices |
1 / 11 page PIN CONFIGURATIONS 8-Lead Narrow Body SO (R Suffix) 1 2 3 4 8 7 6 5 TOP VIEW (Not to Scale) ADR293 VOUT VIN GND NC NC NC NC NC NC = NO CONNECT 8-Lead TSSOP (RU Suffix) 1 2 3 4 8 7 6 5 TOP VIEW (Not to Scale) ADR293 VOUT VIN GND NC NC NC NC NC NC = NO CONNECT 3-Lead TO-92 (T9 Suffix) PIN 1 VIN PIN 2 GND PIN 3 VOUT BOTTOM VIEW 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a Low Noise Micropower Precision Voltage Reference ADR293 FEATURES Voltage Output 5.0 V 6.0 V to 15 V Supply Range Supply Current 15 A Max Initial Accuracy 3 mV Max Temperature Coefficient 8 ppm/ C Max Low Noise 15 V p–p Typ (0.1 Hz to 10 Hz) High Output Current 5 mA Min Temperature Range 40 C to 125 C REF02/REF19x Pinout APPLICATIONS Portable Instrumentation Precision Reference for 5 V Systems A/D and D/A Converter Reference Solar Powered Applications Loop-Current Powered Instruments GENERAL DESCRIPTION The ADR293 is a low noise, micropower precision voltage reference that utilizes an XFET™ (eXtra implanted junction FET) reference circuit. The new XFET architecture offers sig- nificant performance improvements over traditional bandgap and Zener-based references. Improvements include: one quarter the voltage noise output of bandgap references operating at the same current, very low and ultralinear temperature drift, low thermal hysteresis and excellent long-term stability. The ADR293 is a series voltage reference providing stable and accurate output voltage from a 6.0 V supply. Quiescent current is only 15 µA max, making this device ideal for battery powered instrumentation. Three electrical grades are available offering initial output accuracy of ±3 mV, ±6 mV, and ±10 mV. Tem- perature coefficients for the three grades are 8 ppm/ °C, 15 ppm/°C and 25 ppm/ °C max. Line regulation and load regulation are typi- cally 30 ppm/V and 30 ppm/mA, maintaining the reference’s over- all high performance. The ADR293 is specified over the extended industrial tempera- ture range of –40 °C to +125°C. This device is available in the 8-lead SOIC, 8-lead TSSOP and the TO-92 package. XFET is a trademark of Analog Devices, Inc. Part Number Nominal Output Voltage (V) ADR290 2.048 ADR291 2.500 ADR292 4.096 ADR293 5.000 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1998 |
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