参数资料
型号: LM4040EE2.5MWA
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, UUC
封装: WAFER
文件页数: 1/35页
文件大小: 561K
代理商: LM4040EE2.5MWA
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: 2.500V, 4.096V, 5.000V, 8.192V, and 10.000V. The
minimum operating current increases from 60 A for the
LM4040-2.5 to 100 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 ±0.1% (A grade) at 25C.
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
n
Tolerates capacitive loads
n
Fixed reverse breakdown voltages of 2.500V, 4.096V,
5.000V, 8.192V, and 10.000V
Key Specifications (LM4040-2.5)
j Output voltage tolerance
(A grade, 25C)
±0.1% (max)
j Low output noise
(10 Hz to 10 kHz)
35 V
rms(typ)
j Wide operating current range
60 A to 15 mA
j Industrial temperature range
40C to +85C
j Extended temperature range
40C to +125C
j Low temperature coefficient
100 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 Diagrams
SOT-23
DS011323-1
*This pin must be left floating or connected to pin 2.
Top View
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
TO-92
DS011323-3
Bottom View
See NS Package Number Z03A
SC70
DS011323-30
*This pin must be left floating or connected to pin 1.
Top View
See NS Package Number MAA05A
October 2000
LM4040
Precision
Micropower
Shunt
V
oltage
Reference
2001 National Semiconductor Corporation
DS011323
www.national.com
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