max232中文数据手册（厂家）_ha17393引脚功能参数

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+5V

供电Ă多通道

RS-232

驱动器

接收器

19-4323; Rev 16; 7/10

_____________________________

定购信息

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

________________________________

概述

MAX220–MAX249

࿅઼࿯ഝڑಹ

ฏಹǈከཛྷ

EIA/TIA-

232E

ჾࣆ

V.28/V.24

໼ဳහࣜǈᅐದกྐۨ໗ޥ

±12V

٫ᆚوᄮᅋă

ሦဗಹ໎Ӽคࠩ٫֠ޥ٫࿅༇ǈሦกᅑᅢದّޢࠞߔڱ

ன෷৹ჾޢࠞဏف

5μW

ჾ௠ă

MAX225

MAX233

MAX235

ჾࣆ

MAX245/MAX246/MAX247

ԥၖე༶ԩᆐ

ǈ༚ᅋᅢᄩฺ٫ଁғஎࢵᅘ࿮وᄮᅋă

________________________________

应用

ӯဝ෷ࣜ๻ࢲ

ّޢࠞٻቨٻಹ

ኪࡳ

٫֠ޥ٫

RS-232

࿅༇

ۂ٧

RS-232

ཌ଱

_______________________

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

收发器

_____________________________________________________________________

选型表

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

ӹ෸ྐೆ

(Pb)/

ܻࠩ

RoHS

Ӷኼوܢኰă

ൡຢৃǈ༿Ꭷ৔ޣೊᇹă

ࢾ৪ቧᇦ)ኚ*Ᏼၫ௣ᓾ೯ࡼᔢઁ৊߲ă

AutoShutdown

ࠧ

UCSP

ก

Maxim Integrated Products, Inc.

وඨӶă

MAX220–MAX249

+5V

供电Ă多通道

RS-232

驱动器

接收器

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 3)

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 TOUT in high-impedance state, V

SHDN

or V

= 0V.

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.

(Voltages referenced to GND.)

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

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

- 0.3V) to +14V

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

Input Voltages

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

- 0.3V)

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

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

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

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

Output Voltages

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

ROUT........................................................-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) .................................+300°C

Soldering Temperature (reflow)

20 PDIP (P20M+1) .......................................................+225°C

All other lead(Pb)-free packages.................................+260°C

All other packages containing lead(Pb) ......................+240°C

PARAMETER CONDITIONS MIN TYP MAX UNITS

RS-232 TRANSMITTERS

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

Input Logic-Low Voltage 1.4 0.8 V

All devices except MAX220 2 1.4

Input Logic-High Voltage

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, V

SHDN

= 0V, V

OUT

= ±15V,

MAX222/MAX242

±0.01 ±10

OUT

= ±15V ±0.01 ±10

Output Leakage Current

= V

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 

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 R2IN 0.8 1.3

RS-232 Input Threshold Low V

= +5V

MAX243 R2IN (Note 4) -3

All except MAX243 R2IN 1.8 2.4

RS-232 Input Threshold High V

= +5V

MAX243 R2IN (Note 4) -0.5 -0.1

MAX220–MAX249

Maxim Integrated

+5V

供电Ă多通道

RS-232

驱动器

接收器

________________________________________________________________

典型工作特性

MAX220/MAX222/MAX232A/MAX233A/MAX242/MAX243

-10

0 5 15 25

OUTPUT VOLTAGE vs. LOAD CURRENT

-4

-6

-8

-2

MAX220-01

LOAD CURRENT (mA)

OUTPUT VOLTAGE (V)

0.1μF

EITHER V+ OR V- LOADED

= +5V

NO LOAD ON

TRANSMITTER OUTPUTS

(EXCEPT MAX220, MAX233A)

V- LOADED, NO LOAD ON V+

V+ LOADED, NO LOAD ON V-

1μF

0.1μF

010 40 60

AVAILABLE OUTPUT CURRENT

vs. DATA RATE

MAX220-02

DATA RATE (kb/s)

OUTPUT CURRENT (mA)

20 30 50

OUTPUT LOAD CURRENT

FLOWS FROM V+ TO V-

= +5.25V

ALL CAPS

1μF

ALL CAPS

0.1μF

= +4.75V

+10V

-10V

MAX222/MAX242

ON-TIME EXITING SHUTDOWN

+5V

MAX220-03

500μs/div

V+, V- VOLTAGE (V)

1μF CAPS

V+

V-

SHDN

0.1μF CAPS

1μF CAPS

0.1μF CAPS

ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued)

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

= T

MIN

to T

MAX

‚ unless otherwise noted.) (Note 3)

PARAMETER CONDITIONS MIN TYP MAX UNITS

MAX222/MAX232A/MAX233/

MAX242/MAX243

0.5 1

PHLR

, Figure 2

MAX220 0.6 3

MAX222/MAX232A/MAX233/

MAX242/MAX243

0.6 1

Receiver Propagation Delay RS-232 to

TLL (Normal Operation)

PLHR

, Figure 2

MAX220 0.8 3

μs

PHLS

, Figure 2 MAX242 0.5 10

Receiver Propagation Delay RS-232 to

TLL (Shutdown)

PHLS

, Figure 2 MAX242 2.5 10

μs

Receiver-Output Enable Time t

MAX242, Figure 3 125 500 ns

Receiver-Output Disable Time t

MAX242, Figure 3 160 500 ns

Transmitter-Output Enable Time

(SHDN Goes High)

MAX222/MAX242, 0.1μF

caps (includes charge-pump

start-up), Figure 4

250 μs

Transmitter-Output Disable Time

(SHDN Goes Low)

MAX222/MAX242,

0.1μF caps, Figure 4

600 ns

MAX222/MAX232A/MAX233/

MAX242/MAX243

300

Transmitter + to - Propagation Delay

Difference (Normal Operation)

PHLT

- t

PLHT

MAX220 2000

MAX222/MAX232A/MAX233/

MAX242/MAX243

100

Receiver + to - Propagation Delay

Difference (Normal Operation)

PHLR

- t

PLHR

MAX220 225

Note 3: All units are production tested at hot. Specifications over temperature are guaranteed by design.

Note 4: MAX243 R2OUT is guaranteed to be low when R2IN ≥ 0V or is unconnected.

MAX220–MAX249

Maxim Integrated

+5V

供电Ă多通道

RS-232

驱动器

接收器

(Voltages referenced to GND.)

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

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

- 0.3V) to +14V

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

Input Voltages

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

+ 0.3V)

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

Output Voltages

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

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

+ 0.3V)

Short-Circuit Duration, TOUT to GND ........................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

Soldering Temperature (reflow)

20 PDIP (P20M+1) .........................................................+225°C

24 PDIP (P24M-1) ..........................................................+225°C

All other lead(Pb)-free packages...................................+260°C

All other packages containing lead(Pb) ...........................+240°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, V

= +5V ±10%; V+ = +7.5V to +13.2V; T

= T

MIN

to T

MAX

; unless otherwise noted.) (Note 5)

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

Supply Current

No load,

= +25°C

510

715

0.4 1

V+ Supply Current