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LM4040 Datasheet(PDF) 1 Page - Diodes Incorporated |
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LM4040 Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 10 page LM4040 LM4040 Document number: DS33195 Rev. 5 - 2 1 of 10 www.diodes.com November 2010 © Diodes Incorporated A Product Line of Diodes Incorporated PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES Description The LM4040 is a family of bandgap circuits designed to achieve precision micro-power voltage references of 2.5V, 3.0V and 5.0V. The devices are available in 0.2% B-grade, 0.5% C-grade and 1% D-grade initial tolerances. They are available in small outline SOT23 and SC70-5 surface mount packages which are ideal for applications where space is at a premium. Excellent performance is maintained over the 60µA to 15mA operating current range with a typical temperature coefficient of only 20ppm/°C. The device has been designed to be highly tolerant of capacitive loads so maintaining excellent stability. This device offers a pin for pin compatible alternative to the LM4040 voltage reference. Features • Small packages: SOT23 & SC70-5 • No output capacitor required • Output voltage tolerance o LM4040B ±0.2% at 25°C o LM4040C ±0.5% at 25°C o LM4040D ±1% at 25°C • Low output noise • (10Hz to 10kHz) .............. 45µVRMS • Wide operating current range 60µA to 15mA • Extended temperature range -40°C to +125°C • Low temperature coefficient 100 ppm/°C (max) Applications • Battery powered equipment • Precision power supplies • Portable instrumentation • Portable communications devices • Notebook and palmtop computers • Data acquisition systems Pin Assignments * Anode Cathode Top view * Pin 1 must be left floating or connected to pin 2 3 1 2 LM4040 F (SOT23) Anode * Cathode N/C N/C 1 2 3 4 5 LM4040 H5 (SC70-5) Top View * Pin 2 must be left floating or connected to pin 1 |
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