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ADR293

Analog Devices
Part Number ADR293
Manufacturer Analog Devices
Description Low Noise Micropower Precision Voltage Reference
Published Mar 23, 2005
Detailed Description a FEATURES Voltage Output 5.0 V 6.0 V to 15 V Supply Range Supply Current 15 ␮ A Max Initial Accuracy ؎ 3 mV Max Tempera...
Datasheet PDF File ADR293 PDF File

ADR293
ADR293

Overview
a 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 Low Noise Micropower Precision Voltage Reference ADR293 PIN CONFIGURATIONS 8-Lead Narrow Body SO (R Suffix) NC 1 VIN 2 8 NC 7 NC TOP VIEW NC 3 (Not to Scale) 6 VOUT 5 NC ADR293 GND 4 NC = NO CONNECT 8-Lead TSSOP (RU Suffix) NC 1 VIN 2 8 NC 7 NC TOP VIEW (Not to Scale) 6 VOUT 3 NC 5 NC ADR293 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 significant 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.
Temperature coefficients for the three grades are 8 ppm/°C, 15 ppm/°C and 25 ppm/°C max.
Line regulation and load regulation are typically 30 ppm/V and 30 ppm/mA, maintaining the reference’s overall high performance.
The ADR293 is specified over the extended industrial temperature range of –40°C to +125°C.
This device is available in the 8-lead SOIC, 8-lead TSSOP and the TO-92 package.
GND 4 NC = NO CONNECT 3-Lead TO-92 (T9 Suffix) PIN 1 VIN ...


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