LM4040AIM2.5 National Semiconductor, LM4040AIM2.5 Datasheet

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LM4040AIM2.5

Manufacturer Part Number
LM4040AIM2.5
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of LM4040AIM2.5

Case
SOIC-8
© 2005 National Semiconductor Corporation
LM4040
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4040 precision
voltage reference is available in the sub-miniature SC70 and
SOT-23 surface-mount package. The LM4040’s advanced
design eliminates the need for an external stabilizing capaci-
tor while ensuring stability with any capacitive load, thus
making the LM4040 easy to use. Further reducing design
effort is the availability of several fixed reverse breakdown
voltages: 2.048V, 2.500V, 3.000V, 4.096V, 5.000V, 8.192V,
and 10.000V. The minimum operating current increases from
60 µA for the LM4040-2.5 to 100 µA for the LM4040-10.0. All
versions have a maximum operating current of 15 mA.
The LM4040 utilizes fuse and zener-zap reverse breakdown
voltage trim during wafer sort to ensure that the prime parts
have an accuracy of better than
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.
Also available is the LM4041 with two reverse breakdown
voltage versions: adjustable and 1.2V. Please see the
LM4041 data sheet.
Features
n Small packages: SOT-23, TO-92 and SC70
n No output capacitor required
Connection Diagrams
*This pin must be left floating or connected to
pin 2.
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
Top View
SOT-23
01132301
±
0.1% (A grade) at 25˚C.
DS011323
See NS Package Number Z03A
Bottom View
TO-92
n Tolerates capacitive loads
n Fixed reverse breakdown voltages of 2.048V,
Key Specifications (LM4040-2.5)
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
j
j
j
j
j
j
01132303
2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V
(10 Hz to 10 kHz)
Output voltage tolerance
Low output noise
Wide operating current range
Industrial temperature range
Extended temperature range
Low temperature coefficient
(A grade, 25˚C)
*
1.
This pin must be left floating or connected to pin
See NS Package Number MAA05A
Top View
SC70
100 ppm/˚C (max)
−40˚C to +125˚C
60 µA to 15 mA
−40˚C to +85˚C
01132330
35 µV
±
www.national.com
0.1% (max)
April 2005
rms
(typ)

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