【免费】MAX232资料资源-CSDN文库

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________________________________

概述

MAX220–MAX249

系列线驱动器

接收器，专为

EIA/TIA-

232E

以及

V.28/V.24

通信接口设计，尤其是无法提供

±12V

电源的应用。

这些器件特别适合电池供电系统，这是由于其低功耗

关断模式可以将功耗减小到

5µ W

以内。

MAX225

、

MAX233

、

MAX235

以及

MAX245/MAX246/MAX247

不需要外部元件，推荐用于印刷电路板面积有限的

应用。

________________________________

应用

便携式计算机

低功耗调制解调器

接口转换

电池供电

RS-232

系统

多点

RS-232

网络

新一代

____________________________

器件特性

♦ 对于低电压、集成

ESD

保护的应用

MAX3222E/MAX3232E/MAX3237E/MAX3241E/

MAX3246E

：

+3.0V

至

+5.5V

、低功耗、速率高达

1Mbps

、利用四个

0.1µF

电容实现真正的

RS-232

收发器

(MAX3246E

提供

UCSP

封装

)

。

♦ 对于低成本应用

MAX221E

：

±15kV ESD

保护、

+5V

、

1µA

、

具有

AutoShutdown

功能的单芯片

RS-232

。

MAX220–MAX249

+5V

供电、多通道

RS-232

驱动器

接收器

________________________________________________________________ Maxim Integrated Products 1

_____________________________________________________________________

选择表

PART

MAX220CPE

MAX220CSE

MAX220CWE 0°C to +70°C

0°C to +70°C

TEMP RANGE PIN-PACKAGE

16 Plastic DIP

16 Narrow SO

16 Wide SO

MAX220C/D 0°C to +70°C Dice*

MAX220EPE

MAX220ESE

MAX220EWE -40°C to +85°C

-40°C to +85°C

-40°C to +85°C 16 Plastic DIP

16 Narrow SO

16 Wide SO

MAX220EJE -40°C to +85°C 16 CERDIP

MAX220MJE -55°C to +125°C 16 CERDIP

Power No. of Nominal SHDN Rx

Part Supply RS-232 No. of Cap. Value & Three- Active in Data Rate

Number (V) Drivers/Rx Ext. Caps (µF) State SHDN (kbps) Features

MAX220 +5 2/2 4 0.047/0.33 No — 120 Ultra-low-power, industry-standard pinout

MAX222 +5 2/2 4 0.1 Yes — 200 Low-power shutdown

MAX223 (MAX213) +5 4/5 4 1.0 (0.1) Yes ✔ 120 MAX241 and receivers active in shutdown

MAX225 +5 5/5 0 — Yes ✔ 120 Available in SO

MAX230 (MAX200) +5 5/0 4 1.0 (0.1) Yes — 120 5 drivers with shutdown

MAX231 (MAX201) +5 and 2/2 2 1.0 (0.1) No — 120 Standard +5/+12V or battery supplies;

+7.5 to +13.2 same functions as MAX232

MAX232 (MAX202) +5 2/2 4 1.0 (0.1) No — 120 (64) Industry standard

MAX232A +5 2/2 4 0.1 No — 200 Higher slew rate, small caps

MAX233 (MAX203) +5 2/2 0 — No — 120 No external caps

MAX233A +5 2/2 0 — No — 200 No external caps, high slew rate

MAX234 (MAX204) +5 4/0 4 1.0 (0.1) No — 120 Replaces 1488

MAX235 (MAX205) +5 5/5 0 — Yes — 120 No external caps

MAX236 (MAX206) +5 4/3 4 1.0 (0.1) Yes — 120 Shutdown, three state

MAX237 (MAX207) +5 5/3 4 1.0 (0.1) No — 120 Complements IBM PC serial port

MAX238 (MAX208) +5 4/4 4 1.0 (0.1) No — 120 Replaces 1488 and 1489

MAX239 (MAX209) +5 and 3/5 2 1.0 (0.1) No — 120 Standard +5/+12V or battery supplies;

+7.5 to +13.2 single-package solution for IBM PC serial port

MAX240 +5 5/5 4 1.0 Yes — 120 DIP or flatpack package

MAX241 (MAX211) +5 4/5 4 1.0 (0.1) Yes — 120 Complete IBM PC serial port

MAX242 +5 2/2 4 0.1 Yes ✔ 200 Separate shutdown and enable

MAX243 +5 2/2 4 0.1 No — 200 Open-line detection simplifies cabling

MAX244 +5 8/10 4 1.0 No — 120 High slew rate

MAX245 +5 8/10 0 — Yes ✔ 120 High slew rate, int. caps, two shutdown modes

MAX246 +5 8/10 0 — Yes ✔ 120 High slew rate, int. caps, three shutdown modes

MAX247 +5 8/9 0 — Yes ✔ 120 High slew rate, int. caps, nine operating modes

MAX248 +5 8/8 4 1.0 Yes ✔ 120 High slew rate, selective half-chip enables

MAX249 +5 6/10 4 1.0 Yes ✔ 120 Available in quad flatpack package

本文是

Maxim

正式英文资料的译文

Maxim

不对翻译中存在的差异或由此产生的错误负责。请注意译文中可能存在文字组织或

翻译错误，如需确认任何词语的准确性，请参考

Maxim

提供的英文版资料。

索取免费样品和最新版的数据资料，请访问

Maxim

的主页：

www.maxim-ic.com.cn

。

_____________________________

定购信息

定购信息 (续)在本资料的最后给出。

裸片规格，请与工厂联系。

AutoShutdown

和

UCSP

是

Maxim Integrated Products, Inc.

的商标。

ＭＡＸ２３２中文资料

MAX220–MAX249

+5V

供电、多通道

RS-232

驱动器

接收器

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS—MAX220/222/232A/233A/242/243

ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243

= +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, T

= T

MIN

to T

MAX

‚ unless otherwise noted.)

Note 1: For the MAX220, V+ and V- can have a maximum magnitude of 7V, but their absolute difference cannot exceed 13V.

Note 2: Input voltage measured with T

OUT

in high-impedance state, SHDN or V

= 0V.

Note 3: Maximum reflow temperature for the MAX225_WI and MAX233A_WP is +220°C.

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Supply Voltage (V

) ...............................................-0.3V to +6V

V+ (Note 1) ..................................................(V

- 0.3V) to +14V

V- (Note 1) .............................................................+0.3V to +14V

Input Voltages

..............................................................-0.3V to (V

- 0.3V)

(Except MAX220) ........................................................±30V

(MAX220).....................................................................±25V

OUT

(Except MAX220) (Note 2) .......................................±15V

OUT

(MAX220)...............................................................±13.2V

Output Voltages

OUT

...................................................................................±15V

OUT

.........................................................-0.3V to (V

+ 0.3V)

Driver/Receiver Output Short Circuited to GND.........Continuous

Continuous Power Dissipation (T

= +70°C)

16-Pin Plastic DIP (derate 10.53mW/°C above +70°C) .842mW

18-Pin Plastic DIP (derate 11.11mW/°C above +70°C)..889mW

20-Pin Plastic DIP (derate 8.00mW/°C above +70°C) ..440mW

16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ...696mW

16-Pin Wide SO (derate 9.52mW/°C above +70°C)......762mW

18-Pin Wide SO (derate 9.52mW/°C above +70°C)......762mW

20-Pin Wide SO (derate 10.00mW/°C above +70°C)....800mW

20-Pin SSOP (derate 8.00mW/°C above +70°C) ..........640mW

16-Pin CERDIP (derate 10.00mW/°C above +70°C).....800mW

18-Pin CERDIP (derate 10.53mW/°C above +70°C).....842mW

Operating Temperature Ranges

MAX2_ _AC_ _, MAX2_ _C_ _.............................0°C to +70°C

MAX2_ _AE_ _, MAX2_ _E_ _ ..........................-40°C to +85°C

MAX2_ _AM_ _, MAX2_ _M_ _.......................-55°C to +125°C

Storage Temperature Range .............................-65°C to +160°C

Lead Temperature (soldering, 10s) (Note 3) ...................+300°C

PARAMETER CONDITIONS MIN TYP MAX UNITS

RS-232 TRANSMITTERS

Output Voltage Swing All transmitter outputs loaded with 3kΩ to GND ±5 ±8 V

Input Logic Threshold Low 1.4 0.8 V

All devices except MAX220 2 1.4

Input Logic Threshold High

MAX220: V

= 5.0V 2.4

All except MAX220, normal operation 5 40

Logic Pullup/lnput Current

SHDN = 0V, MAX222/MAX242, shutdown,

MAX220

±0.01 ±1

µA

= 5.5V, SHDN = 0V, V

OUT

= ±15V,

MAX222/MAX242

±0.01 ±10

OUT

= ±15V ±0.01 ±10

Output Leakage Current

= SHDN = 0V

MAX220, V

OUT

= ±12V ±25

µA

Data Rate 200 116 kbps

Transmitter Output Resistance V

= V+ = V- = 0V, V

OUT

= ±2V 300 10M Ω

OUT

= 0V ±7 ±22

Output Short-Circuit Current V

OUT

= 0V

MAX220 ±60

RS-232 RECEIVERS

±30

RS-232 Input Voltage Operating Range

MAX220 ±25

All except MAX243 R2

0.8 1.3

RS-232 Input Threshold Low V

= 5V

MAX243 R2

(Note 4) -3

All except MAX243 R2

1.8 2.4

RS-232 Input Threshold High V

= 5V

MAX243 R2

(Note 4) -0.5 -0.1

MAX220–MAX249

+5V

供电、多通道

RS-232

驱动器

接收器

_______________________________________________________________________________________ 5

...........................................................................-0.3V to +6V

V+ ................................................................(V

- 0.3V) to +14V

V- ............................................................................+0.3V to -14V

Input Voltages

............................................................-0.3V to (V

+ 0.3V)

......................................................................................±30V

Output Voltages

OUT

...................................................(V+ + 0.3V) to (V- - 0.3V)

OUT

.........................................................-0.3V to (V

+ 0.3V)

Short-Circuit Duration, T

OUT

......................................Continuous

Continuous Power Dissipation (T

= +70°C)

14-Pin Plastic DIP (derate 10.00mW/°C above +70°C)....800mW

16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)....842mW

20-Pin Plastic DIP (derate 11.11mW/°C above +70°C)....889mW

24-Pin Narrow Plastic DIP

(derate 13.33mW/°C above +70°C) ..........1.07W

24-Pin Plastic DIP (derate 9.09mW/°C above +70°C)......500mW

16-Pin Wide SO (derate 9.52mW/°C above +70°C).........762mW

20-Pin Wide SO (derate 10 00mW/°C above +70°C).......800mW

24-Pin Wide SO (derate 11.76mW/°C above +70°C).......941mW

28-Pin Wide SO (derate 12.50mW/°C above +70°C) .............1W

44-Pin Plastic FP (derate 11.11mW/°C above +70°C) .....889mW

14-Pin CERDIP (derate 9.09mW/°C above +70°C) ..........727mW

16-Pin CERDIP (derate 10.00mW/°C above +70°C) ........800mW

20-Pin CERDIP (derate 11.11mW/°C above +70°C) ........889mW

24-Pin Narrow CERDIP

(derate 12.50mW/°C above +70°C) ..............1W

24-Pin Sidebraze (derate 20.0mW/°C above +70°C)..........1.6W

28-Pin SSOP (derate 9.52mW/°C above +70°C).............762mW

Operating Temperature Ranges

MAX2 _ _ C _ _......................................................0°C to +70°C

MAX2 _ _ E _ _ ...................................................-40°C to +85°C

MAX2 _ _ M _ _ ...............................................-55°C to +125°C

Storage Temperature Range .............................-65°C to +160°C

Lead Temperature (soldering, 10s) .................................+300°C

ABSOLUTE MAXIMUM RATINGS—MAX223/MAX230–MAX241

ELECTRICAL CHARACTERISTICS—MAX223/MAX230–MAX241

(MAX223/230/232/234/236/237/238/240/241, V

= +5V ±10; MAX233/MAX235, V

= 5V ±5%‚ C1–C4 = 1.0µF; MAX231/MAX239,

= 5V ±10%; V+ = 7.5V to 13.2V; T

= T

MIN

to T

MAX

; unless otherwise noted.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

CONDITIONS

MIN TYP MAX

UNITS

Output Voltage Swing All transmitter outputs loaded with 3kΩ to ground ±5.0 ±7.3 V

Power-Supply Current

No load,

= +25°C

510

715

0.4 1

V+ Power-Supply Current

1.8 5

515

Shutdown Supply Current T

= +25°C

15 50

VInput Logic Threshold High

2.0

EN, SHDN (MAX223);

EN, SHDN (MAX230/235/236/240/241)

2.4

Logic Pull-Up Current T

=0V 1.5 200

Receiver Input Voltage

Operating Range

-30 30 V

µA

110

VInput Logic Threshold Low

; EN, SHDN (MAX233); EN, SHDN (MAX230/235–241)

0.8

MAX231/239

MAX223/230/234–238/240/241

MAX232/233

PARAMETER

MAX239

MAX230/235/236/240/241

MAX231

MAX223

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