Datasheet > LM4120_05

LM4120_05

更新时间： 2024-09-14 04:44:15

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描述
Precision Micropower Low Dropout Voltage Reference

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中文翻译

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LM4120_05 数据手册

March 2005

LM4120

Precision Micropower Low Dropout Voltage Reference

General Description

Features

n Small SOT23-5 package

n Low dropout voltage:

n High output voltage accuracy:

n Source and Sink current output:

n Supply current:

The LM4120 is a precision low power low dropout bandgap

voltage reference with up to 5 mA output current source and

sink capability.

120 mV Typ 1 mA

0.2%

5 mA

This series reference operates with input voltages as low as

2V and up to 12V consuming 160 µA (Typ.) supply current. In

power down mode, device current drops to less than 2 µA.

160 µA Typ.

50 ppm/˚C

n Low Temperature Coefficient:

n Enable pin

n Fixed output voltages:

and 5.0V

n Industrial temperature Range:

The LM4120 comes in two grades (A and Standard) and

seven voltage options for greater flexibility. The best grade

devices (A) have an initial accuracy of 0.2%, while the stan-

dard have an initial accuracy of 0.5%, both with a tempco of

50ppm/˚C guaranteed from −40˚C to +125˚C.

1.8, 2.048, 2.5, 3.0, 3.3, 4.096

−40˚C to +85˚C

n (For extended temperature range, −40˚C to 125˚C,

contact National Semiconductor)

The very low dropout voltage, low supply current and power-

down capability of the LM4120 makes this product an ideal

choice for battery powered and portable applications.

Applications

The device performance is guaranteed over the industrial

temperature range (−40˚C to +85˚C), while certain specs are

guaranteed over the extended temperature range (−40˚C to

+125˚C). Please contact National for full specifications over

the extended temperature range. The LM4120 is available in

a standard 5-pin SOT-23 package.

n Portable, battery powered equipment

n Instrumentation and process control

n Automotive & Industrial

n Test equipment

n Data acquisition systems

n Precision regulators

n Battery chargers

n Base stations

n Communications

n Medical equipment

Functional Block Diagram

Connection Diagram

10104702

Refer to the Ordering Information Table in this Data Sheet for Specific

Part Number

SOT23-5 Surface Mount Package

10104701

DS101047

www.national.com

12 3 4 5 6 7...12

中文翻译

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LM412-098.0M	CONNOR-WINFIELD	获取价格	Oscillator
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LM4120AIM5-1.8	NSC	获取价格	Precision Micropower Low Dropout Voltage Reference
LM4120AIM5-1.8	ROCHESTER	获取价格	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.8V, PDSO5, SOT-23, 5 PIN
LM4120AIM5-1.8/NOPB	TI	获取价格	具有使能引脚的 1.2V 和可调节、0.2%、50ppm/°C 温漂、精密串联电压基准 \|
LM4120AIM5-2.0	NSC	获取价格	Precision Micropower Low Dropout Voltage Reference
LM4120AIM5-2.0/NOPB	NSC	获取价格	IC 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.048 V, PDSO5, SOT-23, 5 PIN, Voltage Reference
LM4120AIM5-2.0/NOPB	TI	获取价格	具有使能引脚的 1.2V 和可调节、0.2%、50ppm/°C 温漂、精密串联电压基准 \|
LM4120AIM5-2.5	NSC	获取价格	Precision Micropower Low Dropout Voltage Reference
LM4120AIM5-2.5	TI	获取价格	具有使能引脚的 1.2V 和可调节、0.2%、50ppm/°C 温漂、精密串联电压基准 \|

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