LMC6682AIMX

更新时间： 2024-11-25 22:47:03

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
24页	752K
描述
Low Voltage, Rail-To-Rail Input and Output CMOS

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LMC6682AIMX 数据手册

May 1995

LMC6681 Single/LMC6682 Dual/LMC6684 Quad

Low Voltage, Rail-To-Rail Input and Output CMOS

Amplifier with Powerdown

General Description

Features

The LMC6681/2/4 is a high performance operational ampli-

fier which can operate over a wide range of supply voltages,

with guaranteed specifications at 1.8V, 2.2V, 3V, 5V, and

10V.

(Typical unless otherwise noted)

n Guaranteed Specs at 1.8V, 2.2V, 3V, 5V, 10V

n Rail-to-Rail Input Common-Mode Voltage Range

n Rail-to-Rail Output Swing

The LMC6681/2/4 provides an input common-mode voltage

range that exceeds both supplies. The rail-to-rail output

swing of the amplifier assures maximum dynamic signal

range. This rail-to-rail performance of the amplifier, com-

bined with its high open-loop voltage gain makes it unique

among CMOS rail-to-rail amplifiers. The LMC6681/2/4 is an

excellent choice for circuits where the common-mode volt-

age range is a concern.

(within 10 mV of supply rail, V_S3V and R_L10 kΩ)

n Powerdown Mode I_{S OFF}≤ 1.5 µA/Amplifier

(Guaranteed at V_S1.8V, 2.2V, 3V, and 5V)

n Ultra Low Input Current 80 fA

n High Voltage Gain (V_S3V, R_L10 kΩ): 120 dB

n Unity Gain Bandwidth 1.2 MHz

Applications

n Battery Operated Circuits

n Sensor Amplifiers

The LMC6681/2/4 has a powerdown mode which can be

controlled externally. In this powerdown mode, the supply

current decreases from 700 µA per amplifier to less than 1

µA per amplifier. The LMC6684 has two powerdown options.

Each of the powerdown pins disables two amplifiers.

n Portable Communication Devices

n Medical Instrumentation

The LMC6681/2/4 has been designed specifically to improve

system performance in low voltage applications. The ampli-

fier’s 80 fA input current, 0.5 mV offset voltage, and 82 dB

CMRR maintain accuracy in battery-powered systems.

n Battery Monitoring Circuits

n Level Detectors, Sample-and-Hold Circuits

Connection Diagrams

8-Pin DIP/SO

14-Pin DIP/SO

DS012042-1

Top View

DS012042-2

Top View

16-Pin DIP/SO

DS012042-3

Top View

DS012042

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LMC6684AIMX	NSC	获取价格	Low Voltage, Rail-To-Rail Input and Output CMOS
LMC6684AIN	NSC	获取价格	Low Voltage, Rail-To-Rail Input and Output CMOS
LMC6684BIM	NSC	获取价格	Low Voltage, Rail-To-Rail Input and Output CMOS
LMC6684BIMX	NSC	获取价格	Low Voltage, Rail-To-Rail Input and Output CMOS