LM611

更新时间： 2024-09-15 22:31:11

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
17页	737K
描述
Operational Amplifier and Adjustable Reference

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LM611 数据手册

May 1998

LM611

Operational Amplifier and Adjustable Reference

General Description

Features

The LM611 consists of a single-supply op-amp and a pro-

grammable voltage reference in one space saving 8-pin

package. The op-amp out-performs most single-supply

op-amps by providing higher speed and bandwidth along

with low supply current. This device was specifically de-

signed to lower cost and board space requirements in trans-

ducer, test, measurement and data acquisition systems.

OP AMP

n Low operating current: 300 µA (op amp)

n Wide supply voltage range: 4V to 36V

n Wide common-mode range: V⁻to (V⁺−1.8V)

n Wide differential input voltage:

n Available in low cost 8-pin DIP

36V

n Available in plastic package rated for Military

Combining a stable voltage reference with a wide output

swing op-amp makes the LM611 ideal for single supply

transducers, signal conditioning and bridge driving where

large common-mode signals are common. The voltage refer-

ence consists of a reliable band-gap design that maintains

low dynamic output impedance (1Ω typical), excellent initial

tolerance (0.6%), and the ability to be programmed from

1.2V to 6.3V via two external resistors. The voltage refer-

ence is very stable even when driving large capacitive loads,

as are commonly encountered in CMOS data acquisition

systems.

Temperature Range Operation

REFERENCE

n Adjustable output voltage: 1.2V to 6.3V

n Tight initial tolerance available:

n Wide operating current range: 17 µA to 20 mA

n Reference floats above ground

0.6%

n Tolerant of load capacitance

Applications

n Transducer bridge driver

n Process and Mass Flow Control systems

n Power supply voltage monitor

n Buffered voltage references for A/D’s

™

As a member of National’s Super-Block family, the LM611

is a space-saving monolithic alternative to a multi-chip solu-

tion, offering a high level of integration without sacrificing

performance.

Connection Diagrams

DS009221-1

DS009221-2

™

Super-Block is a trademark of National Semiconductor Corporation.

DS009221

www.national.com

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