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LM4040EIZ-3.0 Datasheet

  • LM4040EIZ-3.0

  • Precision Micropower Shunt Voltage Reference

  • 358.83KB

  • 30页

  • NSC

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LM4040 Precision Micropower Shunt Voltage Reference
August 2002
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鈥檚 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 碌A for the LM4040-2.5 to 100 碌A 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
卤
0.1% (A grade) at 25藲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.
Also available is the LM4041 with two reverse breakdown
voltage versions: adjustable and 1.2V. Please see the
LM4041 data sheet.
n
Fixed reverse breakdown voltages of 2.048V,
2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V
Key Specifications (LM4040-2.5)
j
Output voltage tolerance
(A grade, 25藲C)
j
Low output noise
卤
0.1% (max)
35 碌V
rms
(typ)
60 碌A to 15 mA
鈭?0藲C to +85藲C
鈭?0藲C to +125藲C
100 ppm/藲C (max)
(10 Hz to 10 kHz)
j
Wide operating current range
j
Industrial temperature range
j
Extended temperature range
j
Low temperature coefficient
Applications
n
n
n
n
n
n
n
n
Portable, Battery-Powered Equipment
Data Acquisition Systems
Instrumentation
Process Control
Energy Management
Product Testing
Automotive
Precision Audio Components
Features
n
Small packages: SOT-23, TO-92 and SC70
n
No output capacitor required
n
Tolerates capacitive loads
Connection Diagrams
SOT-23
TO-92
SC70
01132301
*This pin must be left floating or connected to
pin 2.
01132303
01132330
Top View
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
Bottom View
See NS Package Number Z03A
*
This pin must be left floating or connected to pin
1.
Top View
See NS Package Number MAA05A
漏 2002 National Semiconductor Corporation
DS011323
www.national.com

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