LM4040BIM3-4.1T&R

更新时间： 2024-11-07 12:59:07

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
16页	108K
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数据手册

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LM4040BIM3-4.1T&R 数据手册

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LM4040/4041

Micrel

LM4040/4041

Precision Micropower Shunt Voltage Reference

General Description

Features

Ideal for space critical applications, the LM4040 and LM4041

precision voltage references are available in the subminia-

ture (3mm × 1.3mm) SOT-23 surface-mount package.

• Small SOT-23 package

• No output capacitor required

• Tolerates capacitive loads

• Fixed reverse breakdown voltages of 1.225, 2.500V,

4.096V and 5.000V

• Adjustable reverse breakdown version

• Contact Micrel for parts with extended temperature

range.

The LM4040 is the available in fixed reverse breakdown

voltages of 2.500V, 4.096V and 5.000V. The LM4041 is

available with a fixed 1.225V or an adjustable reverse break-

down voltage.

The LM4040 and LM4041’s advanced design eliminates the

need for an external stabilizing capacitor while ensuring

stability with any capacitive load, making them easy to use.

Key Specifications

• Output voltage tolerance (A grade, 25°C) .. ±0.1% (max)

The minimum operating current ranges from 60µA for the

LM4041-1.2 to 74µA for the LM4040-5.0. LM4040 versions

have a maximum operating current of 15mA. LM4041

versions have a maximum operating current of 12mA.

• Low output noise (10Hz to 100Hz)

LM4040 ................................................ 35µV

LM4041 ................................................ 20µV

• Wide operating current range

(typ)

RMS

LM4040 ................................................ 60µA to 15mA

LM4041 ................................................ 60µA to 12mA

• Industrial temperature range .................. –40°C to +85°C

• Low temperature coefficient ................100ppm/°C (max)

The LM4040 and LM4041 utilizes zener-zap reverse break-

down voltage trim during wafer sort to ensure that the prime

parts have an accuracy of better than ±0.1% (A grade) at

25°C. Bandgapreferencetemperaturedriftcurvaturecorrec-

tion and low dynamic impedance ensure stable reverse

breakdown voltage accuracy over a wide range of operating

temperatures and currents.

Applications

• Battery-Powered Equipment

• Data Acquisition Systems

• Instrumentation

• Process Control

• Energy Management

• Product Testing

• Automotive Electronics

• Precision Audio Components

Typical Applications

V_S

R_S

V_R

V_O

I_Q+ I_L

R_S

I_L

R₁

V_O

V_R

V_O= 1.233 (R₂/R₁+ 1)

LM4041

Adjustable

LM4040

LM4041

I_Q

R₂

Figure 1. LM4040, LM4041 Fixed

Shunt Regulator Application

Figure 2. LM4041 Adjustable

Shunt Regulator Application

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

January 2000

LM4040/4041

12 3 4 5 6 7...16

中文翻译

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与LM4040BIM3-4.1T&R相关器件

型号	品牌	获取价格	描述	数据表
LM4040BIM3-4.1X	TI	获取价格	1-OUTPUT TWO TERM VOLTAGE REFERENCE, 4.096V, PDSO3, PLASTIC, TO-236AB, SOT-23, 3 PIN
LM4040BIM3-5.0	NSC	获取价格	Precision Micropower Shunt Voltage Reference
LM4040BIM3-5.0	MICREL	获取价格	Precision Micropower Shunt Voltage Reference
LM4040BIM3-5.0	TI	获取价格	LM4040-N/LM4040Q-N Precision Micropower Shunt Voltage Reference
LM4040BIM3-5.0/NOPB	TI	获取价格	LM4040-N/LM4040Q-N Precision Micropower Shunt Voltage Reference
LM4040BIM3-5.0/T/R	ETC	获取价格	Voltage Reference
LM4040BIM3-5.0T&R	MICREL	获取价格	Two Terminal Voltage Reference, 1 Output, 5V, BIPolar, PDSO3, SOT-23, 3 PIN
LM4040BIM3-5.0X	TI	获取价格	暂无描述
LM4040BIM3-8.2	NSC	获取价格	Precision Micropower Shunt Voltage Reference
LM4040BIM3-8.2	TI	获取价格	LM4040-N/LM4040Q-N Precision Micropower Shunt Voltage Reference

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