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產(chǎn)品型號LM393的概述

LM393芯片概述 LM393是一種雙運算放大器集成電路，廣泛應用于各種模擬電路設計中。其主要特點包括低功耗、高電壓增益和廣泛的電源電壓范圍。LM393采用雙列直插封裝（DIP）和小型封裝，方便嵌入各種電子產(chǎn)品中。由于其價格低廉且易于獲取，LM393在市場上幾乎是一個標配的元件之一。詳細參數(shù) LM393在技術規(guī)格上具有以下主要參數(shù)： - 電源電壓范圍：2V至36V（對于正負供電，最大電壓為±18V） - 輸入電壓范圍：能夠承受輸入電壓范圍從負電源到正電源，但應避免輸入超出電源電壓的范圍。 - 偏置電流：輸出端的偏置電流一般為50nA。 - 增益帶寬積：一般在1MHz至2MHz。 - 輸出電阻：一般為50Ω。 - 輸出電流：最大為20mA。 - 功耗：在工作時功耗極低，一般小于1mW。廠家、包裝與封裝 LM393芯片由多個電子元器件制造商生產(chǎn)，常見的有Texas Instrumen...

產(chǎn)品型號LM393的Datasheet PDF文件預覽

Dual Differential Comparators

LM393

n Reduced V_OSdrift over temperature

n Eliminates need for dual supplies

n Allows sensing near ground

n Compatible with all forms of logic

n Power drain suitable for battery operation

General Description

consists of two independent precision

The LM393

voltage comparators with an offset voltage specification as

low as 2.0 mV max for two comparators which were de-

signed specifically to operate from a single power supply

over a wide range of voltages. Operation from split power

supplies is also possible and the low power supply current

drain is independent of the magnitude of the power supply

voltage. These comparators also have a unique characteris-

tic in that the input common-mode voltage range includes

ground, even though operated from a single power supply

voltage.

Features

n Wide supply

— Voltage range:

— single or dual supplies:

n Very low supply current drain (0.4 mA) — independent

of supply voltage

2.0V to 36V

1.0V to 18V

Application areas include limit comparators, simple analog to

digital converters; pulse, squarewave and time delay gen-

erators; wide range VCO; MOS clock timers; multivibrators

n Low input biasing current:

n Low input offset current:

n Maximum offset voltage:

n Input common-mode voltage range includes ground

n Differential input voltage range equal to the power

supply voltage

25 nA

5 nA

9m V

LM393 was

designed to directly interface with TTL and CMOS. When op-

and high voltage digital logic gates. The

erated from both plus and minus power supplies, the

will directly interface with MOS logic where their low

WS393MX

mV at 4 mA

150

n Low output saturation voltage,:

n Output voltage compatible with TTL, DTL, ECL, MOS

power drain is a distinct advantage over standard compara-

tors.

and CMOS logic systems

Advantages

n High precision comparators

Pin Configuration

LM393N

DIP-8

SOP-8 LM393M

Wing Shing Computer Components Co., (H.K.)Ltd.

Homepage: http://www.wingshing.com

Tel:(852)2341 9276 Fax:(852)2797 8153

E-mail: wsccltd@hkstar.com

LM393

electrical characteristics at specified free-air temperature, Vcc = 4 V (unless otherwise noted)

MIN

TYP MAX

UNIT

PARAMETER

TEST CONDITIONS

Vcc = 5V to 30V

25^oC

V₁₀input offset voltage

V_IC= V_ICRmin,

Vo =1.4V

Full range

25^oC

Full range

25^oC

Full range

I_IO

Vo =1.4V

150

input offset current

I_IB

- 25 - 250

- 400

Vo =1. 4V

input bias current

V_1CR

25^oC

0 to Vcc-1.5

Common-mode input voltage

Full range 0 to Vcc-2.0

range**

A_VD

25^oC

Vcc = 15V

V/m V

200

Vo =1.4Vto 11.4V

R^L15k to Vcc

V^OH=5V,V^ID=1V

Large-signal differential

voltage amplication

25^oC

0. 1 50

I^OH

High-level output current

V^OH=30V,V^ID=1V Full range

u A

25^oC

150 400

V^OL

I^OL=4mA,V^ID=1V

Low-level output voltage

I^OL

Full range

700

V^OL=1.5V,V^ID=1

RL=

m A

25 C

Low-level output current

Icc

25^oC

Vcc=5V

0. 8 1

2. 5

Supply current

Vcc=30V Full range

*Full range(MIN to MAX),for the LM393 is 0 to 70 .All characteristics are measured with

zero common-mode input voltage unless otherwise speified.

**The voltage at either input or common-mode should not be go negative by more than 0.3V.The upper

end of the common-mode voltage range is Vcc+-1.5V,but either or both inputs can go to 30V without damage

switching characteristics ,Vcc=5V,T^A=25

PARAMETER

TEST CONDITIONS

MIN TYP

MAX UNIT

Response time R^Lconnected to 5V

through 5.1K

100mV input step with

5-m V overdrive

1. 3

CL=15pF see Note1

TTL-level input step

0. 3

* CL includes probe and jig capacitance

NOTE1: The response time specified is the interval between the input step function and the instant when

the output crosses 1.4V.

LM393

PAD LOCATION

120

Chip size 1.3mm x 1.2mm

Coordinates mkm

Pad N

Pad Name

GND

V_CC

OUT

IN-

IN+

1074

646

240

100

240

646

1074

919

967

534

100

148

530

IN+

IN-

OUT

Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

SO-8

LM393M

LM393相關產(chǎn)品..

LM393(SMD)LM393-CN LM393-N LM393-ON LM393-R LM393-S08-T LM393-SOP8 LM393-SR LM393-W LM393.LM393/LM393/3.9mm LM393/36V LM393/DIP-8 LM393/M LM393/N/P LM393/SOP

LM393相關文章

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LM393產(chǎn)品參數(shù)

型號:	LM393
生命周期：	Obsolete
IHS 制造商：	FORWARD INTERNATIONAL ELECTRONICS LTD
包裝說明：	,
Reach Compliance Code：	unknown
風險等級：	5.62
Base Number Matches：	1

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產(chǎn)品型號LM393的概述

產(chǎn)品型號LM393的Datasheet PDF文件預覽

LM393相關產(chǎn)品..

LM393相關文章

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