Datasheet > LMP2231_0812

LMP2231_0812

更新时间： 2024-11-23 05:42:27

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
20页	800K
描述
Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs

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LMP2231_0812 数据手册

December 18, 2008

LMP2231 Single

Micropower, 1.6V, Precision Operational Amplifier with

CMOS Inputs

General Description

The LMP2231 is a single micropower precision amplifier de-

signed for battery powered applications. The 1.6V to 5.5V

operating supply voltage range and quiescent power con-

sumption of only 16 μW extend the battery life in portable

battery operated systems. The LMP2231 is part of the

LMP^®precision amplifier family. The high impedance CMOS

input makes it ideal for instrumentation and other sensor in-

terface applications.

Features

(For V_S= 5V, Typical unless otherwise noted)

Supply current

Operating voltage range

Low TCV_OS

V_OS

Input bias current

PSRR

CMRR

Open loop gain

Gain bandwidth product

Slew rate

Input voltage noise, f = 1 kHz

Temperature range

10 µA

1.6V to 5.5V

■

±0.4 µV/°C (max)

±150 µV (max)

20 fA

■

120 dB

97 dB

120 dB

130 kHz

The LMP2231 has a maximum offset of 150 µV and maximum

offset voltage drift of only 0.4 µV/°C along with low bias cur-

rent of only ±20 fA. These precise specifications make the

LMP2231 a great choice for maintaining system accuracy and

long term stability.

58 V/ms

60 nV/√Hz

–40°C to 125°C

The LMP2231 has a rail-to-rail output that swings 15 mV from

the supply voltage, which increases system dynamic range.

The common mode input voltage range extends 200 mV be-

low the negative supply, thus the LMP2231 is ideal for use in

single supply applications with ground sensing.

Applications

Precision instrumentation amplifiers

■

Battery powered medical instrumentation

High Impedance Sensors

■

The LMP2231 is offered in 5-Pin SOT23 and 8-pin SOIC

packages.

Strain gauge bridge amplifier

Thermocouple amplifiers

The dual and quad versions of this product are also available.

The dual, LMP2232 is offered in 8-pin SOIC and MSOP. The

quad, LMP2234 is offered in 14-pin SOIC and TSSOP.

Typical Application

30033874

Strain Gauge Bridge Amplifier

LMP^®is a registered trademark of National Semiconductor Corporation.

300338

www.national.com

12 3 4 5 6 7...20

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与LMP2231_0812相关器件

型号	品牌	获取价格	描述	数据表
LMP2231_15	TI	获取价格	Single Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMA	NSC	获取价格	Micropower, 1.8V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMA/NOPB	TI	获取价格	Single Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMAE	NSC	获取价格	Micropower, 1.8V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMAE/NOPB	TI	获取价格	Single Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMAX	NSC	获取价格	Micropower, 1.8V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMAX/NOPB	TI	获取价格	Single Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMF	NSC	获取价格	Micropower, 1.8V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMF/NOPB	TI	获取价格	Single Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs
LMP2231AMFE	NSC	获取价格	Micropower, 1.8V, Precision Operational Amplifier with CMOS Inputs

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