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MAX3224E

更新时间： 2024-11-22 22:58:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	244K
描述
【15kV ESD-Protected, 1レA, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus

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中文翻译

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数据手册

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MAX3224E 数据手册

19-1339; Rev 0; 1/98

±1 5 k V ES D-P ro t e c t e d , 1 µA, 1 Mb p s , 3 .0 V t o 5 .5 V,

RS -2 3 2 Tra n s c e ive rs w it h Au t o S h u t d o w n P lu s

–7/MAX3245E

________________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

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-

tie s , a nd e nha nc e d e le c tros ta tic d is c ha rg e (ESD)

protection. All transmitter outputs and receiver inputs

are protected to ±15kV using IEC 1000-4-2 Air-Gap

Discharge, ±8kV using IEC 1000-4-2 Contact Discharge,

and ±15kV using the Human Body Model.

♦ ESD Protection for RS-232 I/O Pins:

±15kV—Human Body Model

±8kV—IEC1000-4-2, Contact Discharge

±15kV—IEC1000-4-2, Air-Gap Discharge

♦ Latchup Free

♦ 1µA Supply Current

♦ AutoShutdown Plus—EDN Innovation of the Year

♦ Guaranteed Data Rate:

All devices achieve a 1µA supply current using Maxim’s

re volutiona ry AutoShutd own Plus ™ fe a ture . The s e

d e vic e s a utoma tic a lly e nte r a low-p owe r s hutd own

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 30 seconds. They turn on again when

they sense a valid transition at any transmitter or receiv-

e r inp ut. AutoShutd own Plus s a ve s p owe r without

changes to the existing BIOS or operating system.

250kbps (MAX3224E/3226E/3244E)

1Mbps (MAX3225E/3227E/3245E)

♦ Guaranteed Slew Rate:

6V/µs (MAX3224E/3226E/3244E)

24V/µs (MAX3225E/3227E/3245E)

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

♦ Guaranteed Mouse Driveability

(MAX3244E/3245E)

The MAX3225E/MAX3227E/MAX3245E a ls o fe a ture

MegaBaud™ operation, guaranteeing 1Mbps for high-

speed applications such as communicating with ISDN

modems. The MAX3224E/MAX3226E/MAX3244E guar-

antee 250kbps operation. The transceivers have a pro-

prietary low-dropout transmitter output stage enabling

true RS-232 performance from a +3.0V to +5.5V supply

with a dual charge pump. The charge pump requires

only four small 0.1µF capacitors for operation from a

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

level output (READY) that asserts when the charge

pump is regulating and the device is ready to begin

transmitting.

♦ Ready-to-Transmit Logic-Level Output

_______________Ord e rin g In fo rm a t io n

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 Plastic DIP

20 SSOP

MAX3224ECPP

MAX3224ECAP

MAX3224EEPP

MAX3224EEAP

MAX3225ECPP

MAX3225ECAP

MAX3225EEPP

MAX3225EEAP

20 Plastic DIP

20 SSOP

20 Plastic DIP

20 SSOP

All devices are available in a space-saving SSOP pack-

age.

20 Plastic DIP

20 SSOP

________________________Ap p lic a t io n s

Ordering Information continued at end of data sheet.

Notebook, Subnotebook, and Palmtop Computers

Cellular Phones

_____________________ S e le c t o r Gu id e

Battery-Powered Equipment

Hand-Held 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

1/1

3/5

250k

AutoShutdown Plus and MegaBaud are trademarks of

Maxim Integrated Products.

250k

†

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.

250k

—

________________________________________________________________ Maxim Integrated Products

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

For small orders, phone 408-737-7600 ext. 3468.

12 3 4 5 6 7...20

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与MAX3224E相关器件

型号	品牌	获取价格	描述	数据表
MAX3224E_14	MAXIM	获取价格	Â±15kV ESD-Protected, 1Î¼A, 1Mbps, 3.0V to 5.
MAX3224E_V01	MAXIM	获取价格	Â±15kV ESD-Protected, 1Î¼A, 1Mbps, 3.0V to 5.
MAX3224EAAP	MAXIM	获取价格	15kV ESD-Protected, 1uA, 1Mbps, 3.0V to 5.5V RS-232 Transceivers
MAX3224EAAP/GG8-T	MAXIM	获取价格	Line Transceiver
MAX3224EAAP+	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 5.30 MM, ROHS COMPLIANT, MO-15
MAX3224EAAP+T	MAXIM	获取价格	暂无描述
MAX3224EAAP-T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 5.30 MM, MO-150, SSOP-20
MAX3224EAP	MAXIM	获取价格	1レA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2
MAX3224EAP+	MAXIM	获取价格	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2
MAX3224EAP-T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, SSOP-20

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