厂商Maxim Integrated 无源元器件无源元器件 MAX232 数据手册，datasheet pdf下载

型号：	MAX232
厂商：	Maxim Integrated
标准：
分类：	无源元器件
描述：	+5V-powered, multichannel RS-232 drivers/receivers
PDF：	预览
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19-4323; Rev 9; 4/00

+5V-Powered, Multichannel RS-232

Drivers/Receivers

General Description

____________________________Features

The MAX220–MAX249 family of line drivers/receivers is

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

tions interfaces, particularly applications where ±±2V is

not available.

These parts are especially useful in battery-powered sys-

tems, since their low-power shutdown mode reduces

power dissipation to less than 5µW. The MAX225,

MAX233, MAX235, and MAX245/MAX246/MAX247 use

no external components and are recommended for appli-

cations where printed circuit board space is critical.

Superior to Bipolar

o Operate from Single +5V Power Supply

(+5V and +12V—MAX231/MAX239)

o Low-Power Receive Mode in Shutdown

(MAX223/MAX242)

o Meet All EIA/TIA-232E and V.28 Specifications

o Multiple Drivers and Receivers

o 3-State Driver and Receiver Outputs

o Open-Line Detection (MAX243)

Ordering Information

________________________Applications

Portable Computers

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

±6 Plastic DIP

±6 Narrow SO

±6 Wide SO

Dice*

MAX220CPE

MAX220CSE

MAX220CWE

MAX220C/D

MAX220EPE

MAX220ESE

MAX220EWE

MAX220EJE

MAX220MJE

Low-Power Modems

0°C to +70°C

Interface Translation

Battery-Powered RS-232 Systems

Multidrop RS-232 Networks

-40°C to +85°C

-55°C to +±25°C

±6 Plastic DIP

±6 Narrow SO

±6 Wide SO

±6 CERDIP

Ordering Information continued at end of data sheet.

*Contact factory for dice specifications.

Selection Table

Power

Supply

(V)

No. of

RS-232

Drivers/Rx Ext. Caps (µF)

2/2

4/5

5/5

5/0

2/2

Nominal

SHDN

Part

No. of

Cap. Value & Three- Active in Data Rate

Number

MAX220

MAX222

State

Yes

SHDN

—

✔

—

(kbps)

±20

200

±20

Features

4.7/±0

0.±

±.0 (0.±)

—

±.0 (0.±)

Ultra-low-power, industry-standard pinout

Low-power shutdown

MAX24± and receivers active in shutdown

Available in SO

MAX223 (MAX2±3) +5

MAX225 +5

MAX230 (MAX200) +5

5 drivers with shutdown

MAX23± (MAX20±) +5 and

Standard +5/+±2V or battery supplies;

same functions as MAX232

Industry standard

Higher slew rate, small caps

No external caps

No external caps, high slew rate

Replaces ±488

No external caps

Shutdown, three state

Complements IBM PC serial port

Replaces ±488 and ±489

Standard +5/+±2V or battery supplies;

single-package solution for IBM PC serial port

DIP or flatpack package

Complete IBM PC serial port

Separate shutdown and enable

Open-line detection simplifies cabling

High slew rate

+7.5 to +±3.2

MAX232 (MAX202) +5

MAX232A +5

MAX233 (MAX203) +5

MAX233A +5

MAX234 (MAX204) +5

MAX235 (MAX205) +5

MAX236 (MAX206) +5

MAX237 (MAX207) +5

MAX238 (MAX208) +5

MAX239 (MAX209) +5 and

2/2

4/0

5/5

4/3

5/3

4/4

3/5

±.0 (0.±)

0.±

—

±.0 (0.±)

—

±.0 (0.±)

Yes

—

±20 (64)

200

±20

200

±20

+7.5 to +±3.2

MAX24± (MAX2±±) +5

MAX240

5/5

4/5

2/2

8/±0

8/9

8/8

6/±0

±.0

±.0 (0.±)

0.±

±.0

—

±.0

Yes

—

✔

—

✔

±20

200

±20

MAX242

MAX243

MAX244

MAX245

MAX246

MAX247

MAX248

MAX249

Yes

High slew rate, int. caps, two shutdown modes

High slew rate, int. caps, three shutdown modes

High slew rate, int. caps, nine operating modes

High slew rate, selective half-chip enables

Available in quad flatpack package

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

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