Datasheet > MAX231

MAX231

更新时间： 2023-12-20 18:44:47

品牌	Logo	应用领域
亚德诺 - ADI		驱动驱动器
页数	文件大小	规格书
39页	2524K
描述
+5V供电、多通道RS-232驱动器/接收器

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MAX231 数据手册

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MAX220–MAX249

+5V-Powered, Multichannel

RS-232 Drivers/Receivers

General Description

Beneﬁts and Features

Saves Board Space

The MAX220–MAX249 family of line drivers/receivers is

intended for all EIA/TIA-232E and V.28/V.24 communications

interfaces, particularly applications where ±12V is not

available.

● Integrated Charge Pump Circuitry

• Eliminates the Need for a Bipolar ±12V Supply

• Enables Single Supply Operation from +5V Supply

The MAX225, MAX233, MAX235, and MAX245/MAX246/

MAX247 use no external components and are recommended

for applications where printed circuit board space is critical.

● Integrated Capacitors (MAX223, MAX233, MAX235,

MAX245–MAX247)

Saves Power for Reduced Power Requirements

The MAX220-MAX249 are offered in 26 different packages

with temperatures from 0 to +70°C up to -55°C to +125°C.

See ordering information table at the end of the data

sheet for all package and temperature options.

● 5μW Shutdown Mode

Ordering Information and Selection Table appears at end of

data sheet.

Applications

● Interface Translation

● Multidrop RS-232 Networks

● Portable Diagnostics Equipment

AutoShutdown and UCSP are trademarks of Maxim Integrated

Products, Inc.

MAX220/MAX232/MAX232A Pin Conﬁguration and Typical Operating Circuit

+5V INPUT

TOP VIEW

C1+

V+

C1+

C1-

+10V

V+

V-

+5V TO +10V

VOLTAGE DOUBLER

GND

-10V

C2+

+10V TO -10V

C2- VOLTAGE INVERTER

C1-

T1OUT

R1IN

C2+

C2-

MAX220

MAX232

MAX232A

+5V

R1OUT

T1IN

400kΩ

T1IN

T1OUT

V-

+5V

TTL/CMOS

INPUTS

RS-232

T2OUT

T2IN

400kΩ

T2IN

OUTPUTS

T2OUT

R1IN

R2OUT

R2IN

DIP/SO

R1OUT

R2OUT

TTL/CMOS

OUTPUTS

RS-232

INPUTS

5kΩ

CAPACITANCE (µF)

DEVICE

MAX220

MAX232

C1 C2 C3 C4 C5

0.047 0.33 0.33 0.33 0.33

1.0 1.0 1.0 1.0 1.0

R2IN

5kΩ

MAX232A 0.1 0.1 0.1 0.1 0.1

GND

19-4323; Rev 18; 5/19

12 3 4 5 6 7...39

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