Datasheet > LM397_06

LM397_06

更新时间： 2024-11-23 04:18:43

品牌	Logo	应用领域
美国国家半导体 - NSC		比较器
页数	文件大小	规格书
8页	604K
描述
Single General Purpose Voltage Comparator

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LM397_06 数据手册

August 2006

LM397

Single General Purpose Voltage Comparator

General Description

Features

The LM397 is a single voltage comparator with an input

common mode that includes ground. The LM397 is designed

to operate from a single 5V to 30V power supply or a split

power supply. Its low supply current is virtually independent

of the magnitude of the supply voltage.

(T_A= 25˚C. Typical values unless otherwise specified).

n 5-Pin SOT23 package

n Industrial operating range

n Single or dual power supplies

n Wide supply voltage range

n Low supply current

n Low input bias current

n Low input offset current

n Low input offset voltage

n Response time

−40˚C to +85˚C

5V to 30V

The LM397 features an open collector output stage. This

allows the connection of an external resistor at the output.

The output can directly interface with TTL, CMOS and other

logic levels, by tying the resistor to different voltage levels

(level translator).

300µA

7nA

1nA

2mV

440ns (50mV overdrive)

0 to V_S- 1.5V

The LM397 is available in space saving 5-Pin SOT23 pack-

age and pin compatible to TI’s TL331, single differential

comparator.

n Input common mode voltage

Applications

n A/D converters

n Pulse, square wave generators

n Peak detector

n Industrial applications

Connection Diagram

Typical Circuit

5-Pin SOT23

20022108

Top View

20022109

FIGURE 1. Inverting Comparator with Hysteresis

Ordering Information

Package

Part Number

Package Marking

Transport Media

NSC Drawing

LM397MF

1k Units Tape and Reel

3k Units Tape and Reel

5-Pin SOT-23

C397

MF05A

LM397MFX

DS200221

www.national.com

12 3 4 5 6 7 8

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