Datasheet > LMP8358MTX

LMP8358MTX

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		仪表放大器
页数	文件大小	规格书
32页	966K
描述
Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics

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LMP8358MTX 数据手册

May 5, 2010

LMP8358

Zero-Drift, Programmable Instrumentation Amplifier with

Diagnostics

General Description

Features

Typical Values unless otherwise noted, T_A= 25°C

The LMP8358 is a precision programmable-gain instrumen-

tation amplifier in National's LMP^®precision amplifier family.

Its gain can be programmed to 10, 20, 50, 100, 200, 500, or

1000 through an SPI-compatible serial interface or through a

parallel interface. Alternatively, its gain can be set to an arbi-

trary value using two external resistors. The LMP8358 uses

patented techniques to measure and continuously correct its

input offset voltage, eliminating offset drift over time and tem-

perature and the effect of 1/f noise. Its ground-sensing CMOS

input features a high CMRR and low input bias currents. It is

capable of sensing differential input voltages in a common-

mode range that extends from 100mV below the negative

supply to 1.4V below the positive supply, making it an ideal

solution for interfacing with ground-referenced sensors, sup-

ply-referenced sensor bridges, and any other application re-

quiring precision and long-term stability. Additionally, the

LMP8358 includes fault detection circuitry to detect open and

shorted inputs and deteriorating connections to the signal

source. Other features that make the LMP8358 a versatile

solution for many applications are its rail-to-rail output, low

input voltage noise and high gain-bandwidth product.

Supply voltage

Supply current

Max gain error

Max gain drift

Min CMRR

Max offset voltage

Max offset voltage drift

GBW (gain = 10)

Max non-linearity

Operating temperature range

Input fault detection

SPI or pin configurable modes

EMIRR at 1.8GHz

2.7V to 5.5V

■

1.8 mA

0.15%

16 ppm/°C

110 dB

10 µV

50 nV/°C

8 MHz

100 ppm

−40°C to 125°C

92 dB

14-Pin SOIC and 14-Pin TSSOP Package

Applications

Bridge sensor amplifier

■

Thermopile amplifier

Portable instrumentation

Medical instrumentation

Precision low-side current sensing

■

Typical Application

300454g1

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

300454

www.national.com

12 3 4 5 6 7...32

中文翻译

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LMP8358MTX 替代型号

型号	品牌	替代类型	描述	数据表
LMP8358MTX/NOPB	TI	功能相似	具有诊断功能的零漂移可编程仪表放大器 \| PW \| 14 \| -40 to 125

与LMP8358MTX相关器件

型号	品牌	获取价格	描述	数据表
LMP8358MTX/NOPB	TI	获取价格	具有诊断功能的零漂移可编程仪表放大器 \| PW \| 14 \| -40 to 125
LMP8480	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480ASQDGKRQ1	TI	获取价格	AEC-Q100、4V 至 76V 电流感应放大器 \| DGK \| 8 \| -40 to
LMP8480ATQDGKRQ1	TI	获取价格	AEC-Q100、4V 至 76V 电流感应放大器 \| DGK \| 8 \| -40 to
LMP8480MME-S/NOPB	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480MME-T/NOPB	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480MM-T/NOPB	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480MMX-S/NOPB	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480MMX-T/NOPB	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480-Q1	TI	获取价格	AEC-Q100、4V 至 76V 电流感应放大器

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