MAX3244EEWI

更新时间： 2024-11-05 23:46:07

品牌	Logo	应用领域
美信 - MAXIM		驱动器
页数	文件大小	规格书
20页	427K
描述
LINE TRANSCEIVER\|CMOS\|3 DRIVER\|5 RCVR\|SOP\|28PIN\|PLASTIC

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数据手册
替代型号

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MAX3244EEWI 数据手册

19-1339; Rev 2; 8/00

±±5ꢀk EꢁDꢂ-rotected, ±µA, ±Mbps, 3.0k to 5.5k,

Rꢁꢂ232 Transceivers with Autoꢁhutdown -lus

________________General Description

____________________________Features

The MAX3224E/MAX3225E/MAX3226E/MAX3227E/

MAX3244E/MAX3245E are 3V-powered EIA/TIA-232

and V.28/V.24 communications interfaces with automat-

ic shutdown/wakeup features, high data-rate capabili-

ties, and enhanced electrostatic discharge (ESD)

protection. All transmitter outputs and receiver inputs

are protected to ±±5kV using IEꢀ ±111-4-2 Air-ꢁap

Discharge, ±8kV using IEꢀ ±111-4-2 ꢀontact Discharge,

and ±±5kV using the ꢂuman ꢃodꢄ Model.

o ESD Protection for RS-232 I/O Pins:

15kV—Human Body Model

8kV—IEC 1000-4-2, Contact Discharge

15kV—IEC 1000-4-2, Air-Gap Discharge

o Latchup Free

o 1µA Supply Current

o AutoShutdown Plus—EDN Innovation of the Year

o Guaranteed Data Rate:

250kbps (MAX3224E/3226E/3244E)

1Mbps (MAX3225E/3227E/3245E)

o Guaranteed Slew Rate:

6V/µs (MAX3224E/3226E/3244E)

24V/µs (MAX3225E/3227E/3245E)

o Meets EIA/TIA-232 Specifications Down to 3.0V

All devices achieve a ±µA supplꢄ current using Maxim’s

revolutionarꢄ AutoShutdown Plus™ feature. These

devices automaticallꢄ enter a low-power shutdown

mode when the RS-232 cable is disconnected or the

transmitters of the connected peripherals are inactive,

and the UART driving the transmitter inputs is inactive

for more than 31 seconds. Theꢄ turn on again when

theꢄ sense a valid transition at anꢄ transmitter or receiv-

er input. AutoShutdown Plus saves power without

changes to the existing ꢃIOS or operating sꢄstem.

o Guaranteed Mouse Driveability

(MAX3244E/3245E)

o Ready-to-Transmit Logic-Level Output

Ordering Information

The MAX3225E/MAX3227E/MAX3245E also feature

Megaꢃaud™ operation, guaranteeing ±Mbps for high-

speed applications such as communicating with ISDN

modems. The MAX3224E/MAX3226E/MAX3244E guar-

antee 251kbps operation. The transceivers have a pro-

prietarꢄ low-dropout transmitter output stage enabling

true RS-232 performance from a +3.1V to +5.5V supplꢄ

with a dual charge pump. The charge pump requires

onlꢄ four small 1.±µF capacitors for operation from a

3.3V supplꢄ. The MAX3224E–MAX3227E feature a logic-

level output (READY) that asserts when the charge

pump is regulating and the device is readꢄ to begin

transmitting.

PART

TEMP. RANGE

0°C to +70°C

-40°C to +85°C

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

20 TSSOP

MAX3224ECUP

MAX3224ECAP

MAX3224ECPP

MAX3224EEUP

MAX3224EEAP

MAX3224EEPP

MAX3225ECUP

MAX3225ECAP

MAX3225ECPP

MAX3225EEUP

MAX3225EEAP

MAX3225EEPP

20 SSOP

20 Plastic DIP

20 TSSOP

20 SSOP

20 Plastic DIP

20 TSSOP

20 SSOP

20 Plastic DIP

20 TSSOP

All devices are available in a space-saving SSOP and

TSSOP (MAX3224E/MAX3225E) packages.

20 SSOP

________________________Applications

20 Plastic DIP

Notebook, Subnotebook, and Palmtop ꢀomputers

Ordering Information continued at end of data sheet.

ꢀellular Phones

_____________________ ꢁelector Guide

ꢃatterꢄ-Powered Equipment

ꢂand-ꢂeld Equipment

Peripherals

NO. OF

DRIVERS/

RECEIVERS

GUARANTEED

DATA RATE

(bps)

Auto-

Shutdown

Plus

READY

OUTPUT

PART

Printers

✔

MAX3224E

MAX3225E

MAX3226E

MAX3227E

MAX3244E

MAX3245E

2/2

±/±

3/5

251k

±M

AutoShutdown Plus and MegaBaud are trademarks of

Maxim Integrated Products.

251k

±M

†

Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577;

4,797,899; 4,809,152; 4,897,774; 4,999,761; 5,649,210; and other

patents pending.

251k

±M

—

________________________________________________________________ Maxim Integrated Products

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...20

中文翻译

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MAX3244EEWI 替代型号

型号	品牌	替代类型	描述	数据表
MAX3244EEWI+	MAXIM	完全替代	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, 0.300 INCH, ROHS COMPLIANT, MS
ICL3245EIB	INTERSIL	功能相似	+-15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Au

与MAX3244EEWI相关器件

型号	品牌	获取价格	描述	数据表
MAX3244EEWI+	MAXIM	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, 0.300 INCH, ROHS COMPLIANT, MS
MAX3244EEWI+T	MAXIM	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, 0.300 INCH, MS-013AE, SOIC-28
MAX3244EEWI-T	MAXIM	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, 0.300 INCH, MS-013AE, SOIC-28
MAX3244EWI	MAXIM	获取价格	Transceiver
MAX3244EWI+	MAXIM	获取价格	Line Transceiver, 1 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, ROHS COMPLIANT, SOIC-28
MAX3244EWI-T	MAXIM	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, SOP-28
MAX3245	MAXIM	获取价格	1レA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2
MAX3245	ADI	获取价格	1μA电源电流、1Mbps、3.0V至5.5V、RS-232收发器，提供AutoShutd
MAX3245CAI	MAXIM	获取价格	LINE TRANSCEIVER\|CMOS\|3 DRIVER\|5 RCVR\|SSOP\|28PIN\|PLASTIC
MAX3245CAI-T	MAXIM	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, BICMOS, PDSO28, SSOP-28

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