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REF43
+2.5 V Low Power Precision
Voltage Reference
FEATURES
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PIN CONFIGURATION
GENERAL DESCRIPTION
The REF43 is a low power precision reference providing a stable 2.5 V output independent of variations in supply voltage,load conditions or ambient temperature. It is suitable as a reference level for 8-, 10- and 12-bit data acquisition systems,or wherever a stable, known voltage is required.
SIMPLIFIED SCHEMATIC
ORDERING GUIDE
Number of Initial Temperature Package Package Part per
Temperature Model
Accuracy Coefficient Description Option Reel/Tray
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Range REF43FZ 0.06%10ppm/∞C 8-Pin Hermetic DIP Q-848–40∞C to +85∞C REF43GZ 0.10%25ppm/∞C 8-Pin Hermetic DIP Q-848–40∞C to +85∞C REF43GP 0.10%25ppm/∞C 8-Pin Plastic DIP N-850–40∞C to +85∞C REF43GS
0.10%25ppm/∞C 8-Pin SOIC R-898–40∞C to +85∞C REF43GS-REEL 0.10%25ppm/∞C 8-Pin SOIC R-82,500–40∞C to +85∞C REF43GS-REEL70.10%25ppm/∞C 8-Pin SOIC R-81,000–40∞C to +85∞C REF43GSZ *
0.10%25ppm/∞C 8-Pin SOIC R-898–40∞C to +85∞C REF43GSZ-REEL7*0.10%25ppm/∞C
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1,000–40∞C to +85∞C
REF43NBC
0.20%
Die
221
*Z = Pb-free part.
Tight output tolerances and low thermal drift are assured by zener-zap trimming of both output voltage and its temperature coefficient. A unique curvature correction circuit reduces the thermal curvature which is characteristic of many previous bandgap references.
TEMP
陈蕃下榻V IN
V OUT
TRIM
GROUND
REF43 CAUTION
ESD (electrostatic discharge) nsitive device. Electrostatic charges as high as 4000V readily accumulate on the human body and test equipment and can discharge without detection. Although th
e REF43 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
红楼梦情节to avoid performance degradation or loss of functionality.
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DICE CHARACTERISTICS
DIE SIZE 0.085 ؋ 0.062 inch, 5270 sq. mils
(2.16 ؋ 1.57 mm, 3.39 sq. mm)
2.3.4A.4B.5.6A.6B.*PADS 4A AND 4B MUST BOTH BE BONDED TO GROUND.‡VOUT FORCE AND SENSE ARE TYPICALLY BONDED TOGETHER AT THE LOAD.
VIN
TEMPERATURE OUT GROUND *GROUND *TRIM
VOUT FO2. VIN VOUT SENSE‡
REV. D REF43
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Typical Performance Characteristics–
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REF43
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