ADR391A AD [Analog Devices], ADR391A Datasheet
ADR391A
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ADR391A Summary of contents
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... Trademarks and registered trademarks are the property of their respective owners. Micropower, Low Noise Precision Voltage References with Shutdown ADR391/ADR392/ADR395 V OUT (SENSE) Table 1. Output Model Voltage (V ADR391B 2.5 ADR391A 2.5 ADR392B 4.096 ADR392A 4.096 ADR395B 5.0 ADR395A 5.0 The ADR39x family of micropower, low dropout voltage references provides a stable output voltage from a minimum supply of 300 mV above the output ...
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ADR391/ADR392/ADR395 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 Pin Configuration ............................................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 ADR391 Electrical Characteristics ............................................. 3 ADR392 Electrical Characteristics ............................................. 4 ADR395 Electrical Characteristics ............................................. 5 ...
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SPECIFICATIONS ADR391 ELECTRICAL CHARACTERISTICS 25°C, unless otherwise noted Table 2. Parameter Symbol OUTPUT VOLTAGE V O INITIAL ACCURACY V OERR TEMPERATURE COEFFICIENT TCV SUPPLY VOLTAGE HEADROOM V IN LINE ...
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ADR391/ADR392/ADR395 ADR392 ELECTRICAL CHARACTERISTICS 25°C, unless otherwise noted Table 3. Parameter Symbol OUTPUT VOLTAGE V O INITIAL ACCURACY V OERR TEMPERATURE COEFFICIENT TCV SUPPLY VOLTAGE HEADROOM V IN LINE ...
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ADR395 ELECTRICAL CHARACTERISTICS 25°C, unless otherwise noted Table 4. Parameter Symbol OUTPUT VOLTAGE V O INITIAL ACCURACY V OERR TEMPERATURE COEFFICIENT TCV SUPPLY VOLTAGE HEADROOM V IN LINE REGULATION ...
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ADR391/ADR392/ADR395 ABSOLUTE MAXIMUM RATINGS At 25°C, unless otherwise noted. Table 5. Parameter Supply Voltage Output Short-Circuit Duration to GND Storage Temperature Range Operating Temperature Range Junction Temperature Range Lead Temperature (Soldering, 60 sec) Stresses above those listed under Absolute Maximum ...
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TYPICAL PERFORMANCE CHARACTERISTICS 2.506 2.504 SAMPLE 1 2.502 2.500 2.498 2.496 2.494 –40 –5 30 TEMPERATURE (°C) Figure 2. ADR391 Output Voltage (V OUT 4.100 4.098 SAMPLE 3 4.096 SAMPLE 2 4.094 SAMPLE 1 4.092 4.090 4.088 – ...
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ADR391/ADR392/ADR395 180 I = 0mA TO 5mA L 160 V IN 140 120 100 80 –40 – TEMPERATURE (° C) Figure 8. ADR391 Load Regulation vs. Temperature 0mA TO 5mA ...
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LOAD CURRENT (mA) Figure 14. ADR391 Minimum Input Voltage (V IN 4.8 +125 °C 4.6 +25°C 4.4 –40°C 4.2 4.0 3 LOAD CURRENT (mA) Figure 15. ...
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ADR391/ADR392/ADR395 TIME (10µs/DIV) Figure 20. ADR391 Voltage Noise kHz LINE INTERRUPTION V OUT TIME (10µs/DIV) Figure 21. ADR391 Line Transient Response LINE INTERRUPTION V OUT Figure 22. ADR391 Line Transient Response C = 0µF BYPASS 0.5V/DIV ...
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V = 15V IN 5V/DIV V IN 2V/DIV V OUT TIME (20µs/DIV) Figure 26. ADR391 Turn-On Response Time 15V IN V 5V/DIV IN V 2V/DIV OUT TIME (40µs/DIV) Figure 27. ADR391 Turn-Off Response at 15 ...
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ADR391/ADR392/ADR395 –20 –40 –60 –80 –100 –120 10 100 1k 10k FREQUENCY (Hz) Figure 31. Ripple Rejection vs. Frequency 100 100k 1M Rev. H ...
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TERMINOLOGY Temperature Coefficient The change of output voltage with respect to operating temperature changes normalized by the output voltage at 25°C. This parameter is expressed in ppm/°C and can be determined – ...
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ADR391/ADR392/ADR395 THEORY OF OPERATION Band gap references are the high performance solution for low supply voltage and low power voltage reference applications, and the ADR391/ADR392/ADR395 are no exception. The uniqueness of these devices lies in the architecture. As shown in ...
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APPLICATIONS INFORMATION BASIC VOLTAGE REFERENCE CONNECTION The circuit shown in Figure 34 illustrates the basic configuration for the ADR39x family. Decoupling capacitors are not required for circuit stability. The ADR39x family is capable of driving capacitive loads from 0 μF ...
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ADR391/ADR392/ADR395 General-Purpose Current Source Many times in low power applications, the need arises for a precision current source that can operate on low supply voltages. The ADR391/ADR392/ADR395 can be configured as a precision current source. As shown in Figure 37, ...
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CAPACITORS Input Capacitor Input capacitors are not required on the ADR39x. There is no limit for the value of the capacitor used on the input, but a 1 μ μF capacitor on the input improves transient response in ...
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... ADR391/ADR392/ADR395 OUTLINE DIMENSIONS * 0.90 0.10 MAX ORDERING GUIDE Initial Output Accuracy Voltage Model (V ) (mV ADR391AUJZ-REEL7 2.5 ±6 1 ADR391AUJZ-R2 2.5 ±6 1 ADR391BUJZ-REEL7 2.5 ±4 1 ADR391BUJZ-R2 2.5 ±4 1 ADR392AUJZ-REEL7 4.096 ±6 1 ADR392AUJZ-R2 4.096 ±6 1 ADR392BUJZ-REEL7 4.096 ±5 1 ADR392BUJZ-R2 4.096 ±5 ADR392WBUJZ- 4.096 ±5 1 ADR395AUJZ-REEL7 5.0 ±6 1 ADR395AUJZ-R2 5.0 ±6 ...
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NOTES ADR391/ADR392/ADR395 Rev Page ...
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ADR391/ADR392/ADR395 NOTES ©2002–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00419-0-10/09(H) Rev Page ...