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LM4050AEM3-4.1 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4050AEM3-4.1
Description  Precision Micropower Shunt Voltage Reference
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4050AEM3-4.1 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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LM4050
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4050 precision
voltage reference is available in the sub-miniature (3 mm x
1.3 mm) SOT-23 surface-mount package. The LM4050’s de-
sign eliminates the need for an external stabilizing capacitor
while ensuring stability with any capacitive load, thus making
the LM4050 easy to use. Further reducing design effort is the
availability of several fixed reverse breakdown voltages:
2.048V, 2.500V, 4.096V, 5.000V, 8.192V, and 10.000V. The
minimum operating current increases from 60 µA for the
LM4050-2.0 to 100 µA for the LM4050-10.0. All versions
have a maximum operating current of 15 mA.
The LM4050 utilizes fuse and zener-zap reverse breakdown
voltage trim during wafer sort to ensure that the prime parts
have an accuracy of better than ±0.1% (A grade) at 25˚C.
Bandgap reference temperature drift curvature correction
and low dynamic impedance ensure stable reverse break-
down voltage accuracy over a wide range of operating tem-
peratures and currents.
All grades and voltage options of the LM4050 are available
in both an industrial temperature range (−40˚C and +85˚C)
and an extended temperature range (−40˚C and +125˚C).
Features
n
Small packages: SOT-23
n
No output capacitor required
n
Tolerates capacitive loads
n
Fixed reverse breakdown voltages of 2.048V, 2.500V,
4.096V, 5.000V, 8.192V, and 10.000V
Key Specifications (LM4050-2.5)
j Output voltage tolerance
(A grade, 25˚C)
±0.1% (max)
j Low output noise
(10 Hz to 10 kHz)
41 µV
rms(typ)
j Wide operating current range
60 µA to 15 mA
j Industrial temperature range
−40˚C to +85˚C
j Extended temperature range
−40˚C to +125˚C
j Low temperature coefficient
50 ppm/˚C (max)
Applications
n
Portable, Battery-Powered Equipment
n
Data Acquisition Systems
n
Instrumentation
n
Process Control
n
Energy Management
n
Product Testing
n
Automotive
n
Precision Audio Components
Connection Diagram
SOT-23
10104501
*This pin must be left floating or connected to pin 2.
Top View
See NS Package Number MF03A
July 2004
© 2004 National Semiconductor Corporation
DS101045
www.national.com


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