Datasheet > LM4040_05

LM4040_05

更新时间： 2024-10-28 05:42:19

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
31页	746K
描述
Precision Micropower Shunt Voltage Reference

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LM4040_05 数据手册

April 2005

LM4040

Precision Micropower Shunt Voltage Reference

n Tolerates capacitive loads

n Fixed reverse breakdown voltages of 2.048V,

2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V

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.

Key Specifications (LM4040-2.5)

Output voltage tolerance

(A grade, 25˚C)

0.1% (max)

Low output noise

(10 Hz to 10 kHz)

35 µV_rms(typ)

60 µA to 15 mA

−40˚C to +85˚C

−40˚C to +125˚C

100 ppm/˚C (max)

Wide operating current range

Industrial temperature range

Extended temperature range

Low temperature coefficient

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 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.

Applications

n Portable, Battery-Powered Equipment

n Data Acquisition Systems

n Instrumentation

Also available is the LM4041 with two reverse breakdown

voltage versions: adjustable and 1.2V. Please see the

LM4041 data sheet.

n Process Control

n Energy Management

n Product Testing

n Automotive

Features

n Small packages: SOT-23, TO-92 and SC70

n No output capacitor required

n Precision Audio Components

Connection Diagrams

SOT-23

TO-92

SC70

01132301

*This pin must be left floating or connected to

pin 2.

01132330

01132303

This pin must be left floating or connected to pin

Bottom View

See NS Package Number Z03A

Top View

See NS Package Number MF03A

(JEDEC Registration TO-236AB)

Top View

See NS Package Number MAA05A

DS011323

www.national.com

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与LM4040_05相关器件

型号	品牌	获取价格	描述	数据表
LM4040_07	VISHAY	获取价格	PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
LM4040_07	TI	获取价格	PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
LM4040_07	ZETEX	获取价格	Precision micropower shunt voltage references
LM4040_08	ZETEX	获取价格	Precision micropower shunt voltage references
LM4040_08	TI	获取价格	PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
LM4040_10	TI	获取价格	PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
LM4040_14	MICREL	获取价格	Precision Micropower Shunt Voltage Reference
LM4040A	ONSEMI	获取价格	Precision Micro-Power Shunt Voltage References
LM4040A	ADI	获取价格	改进的、精密微功耗并联型电压基准，带有多种反向击穿电压
LM4040A10	TI	获取价格	PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

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