LMP8100AMA

更新时间： 2024-11-22 03:51:43

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
30页	1380K
描述
Programmable Gain Amplifier

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LMP8100AMA 数据手册

July 2007

LMP8100

Programmable Gain Amplifier

General Description

Features

The LMP8100 programmable gain amplifier features an ad-

justable gain from 1 to 16 V/V in 1 V/V increments. At the core

of the LMP8100 is a precision, 33 MHz, CMOS input, rail-to-

rail input/output operational amplifier with a typical open-loop

gain of 110 dB. Amplifier closed-loop gain is set by an array

of precision thin-film resistors. Amplifier control modes are

programmed via a serial port that allows devices to be cas-

caded so that an array of LMP8100 amplifiers can be pro-

grammed by a single serial data stream. The control mode

registers are double buffered to insure glitch-free transitions

between programmed settings. The LMP8100 is part of the

LMP^®precision amplifier family and is ideal for a variety of

applications.

Typical Values, T_A= 25°C

Gain error (over temperature range)

■

LMP8100A

LMP8100

Gain range

0.03%

0.075%

1 to 16 V/V in 1 V/V steps

—

■

Programmable frequency compensation

Input zero calibration switch

Input offset voltage (max, LMP8100A)

Input bias current

Input noise voltage

Unity gain bandwidth

Slew rate

Output current

Supply voltage range

Supply current

250 μV

0.1 pA

12 nV/√Hz

33 MHz

12 V/μs

20 mA

2.7V to 5.5V

The amplifier features several programmable controls includ-

ing: gain; a power-conserving shutdown mode which can

reduce current consumption to only 20 μA; an input zeroing

switch which allows the output offset voltage to be measured

to facilitate system calibration; and four levels of internal fre-

quency compensation which can be set to maximize band-

width at the different gain settings.

5.3 mA

V⁺−50 mV to V⁻+50 mV

Rail-to-Rail output swing

Applications

Industrial instrumentation

■

The LMP8100 comes in a 14-Pin SOIC package.

Data acquisition systems

Test equipment

Scaling amplifier

Gain control

Sensor interface

Simplified Block Diagram

20147607

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

201476

www.national.com

12 3 4 5 6 7...30

中文翻译

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与LMP8100AMA相关器件

型号	品牌	获取价格	描述	数据表
LMP8100AMA/NOPB	TI	获取价格	IC,INSTRUMENTATION AMPLIFIER,SINGLE,SOP,14PIN,PLASTIC
LMP8100AMAX	NSC	获取价格	Programmable Gain Amplifier
LMP8100MA	NSC	获取价格	Programmable Gain Amplifier
LMP8100MA/NOPB	TI	获取价格	OP-AMP, 600uV OFFSET-MAX, 33MHz BAND WIDTH, PDSO14, ROHS COMPLIANT, SOIC-14
LMP8100MAX	NSC	获取价格	Programmable Gain Amplifier
LMP8100MAX/NOPB	TI	获取价格	OP-AMP, 600uV OFFSET-MAX, 33MHz BAND WIDTH, PDSO14, ROHS COMPLIANT, SOIC-14
LMP8270	NSC	获取价格	High Common Mode, Gain of 20, Precision Voltage Difference Amplifiers
LMP8271	NSC	获取价格	High Common Mode, Gain of 20, Bidirectional Precision Voltage Difference Amplifiers
LMP8271MA	NSC	获取价格	IC OP-AMP, 1000 uV OFFSET-MAX, 0.08 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier
LMP8271MA/NOPB	ROCHESTER	获取价格	OP-AMP, 1000uV OFFSET-MAX, 0.08MHz BAND WIDTH, PDSO8, SOIC-8

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