MAX3225ECUP+

更新时间： 2024-11-02 13:10:27

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MAX3225ECUP+ 数据手册

19-1289; Rev 4; 10/08

1µA Supply Current, 1Mbps, 3.0V to 5.5V,

RS-232 Transceivers with AutoShutdown Plus

–7/MAX3245

________________General Description

_Next Generation Device Features

The MAX3224–MAX3227/MAX3244/MAX3245 are 3V-

powered EIA/TIA-232 and V.28/V.24 communications

interfaces with automatic shutdown/wakeup features

and high data-rate capabilities.

♦ For Smaller Packaging:

MAX3228/MAX3229: +2.5V to +5.5V RS-232

Transceivers in UCSP™

♦ For Low-Voltage or Data Cable Applications:

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

revolutionary AutoShutdown Plus™ feature. These

devices automatically 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 30 seconds. They turn on again when

they sense a valid transition at any transmitter or receiv-

er input. AutoShutdown Plus saves power without

changes to the existing BIOS or operating system.

MAX3380E/MAX3381E: +2.35V to +5.5V, 1µA,

2 Tx/2 Rx RS-232 Transceivers with 15kV ESD-

Protected I/O and Logic Pins

♦ For Integrated ESD Protection:

MAX3222E/MAX3232E/MAX3237E/MAX3241E^†/

MAX3246E: 15kV ESD-Protected, Down to 10nA,

+3.0V to +5.5V, Up to 1Mbps, True RS-232

Transceivers (MAX3246E Available in UCSP)

The MAX3225/MAX3227/MAX3245 also feature

MegaBaud™ operation, guaranteeing 1Mbps for high-

speed applications such as communicating with ISDN

modems. The MAX3224/MAX3226/MAX3244 guarantee

250kbps operation. The transceivers have a proprietary

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 MAX3224–MAX3227 feature a logic-level output

(READY) that asserts when the charge pump is regulat-

ing and the device is ready to begin transmitting.

_______________Ordering Information

PART

MAX3224CPP

MAX3224CAP

MAX3224CTP

MAX3224CUP

MAX3224EPP

MAX3224EAP

TEMP RANGE

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

20 Plastic DIP

20 SSOP

20 Thin QFN-EP*

20 TSSOP

20 Plastic DIP

20 SSOP

20 Thin QFN-EP*

5mm x 5mm

All devices are available in a space-saving TQFN,

TSSOP, and SSOP packages.

MAX3224ETP

MAX3224EUP

-40°C to +85°C

20 TSSOP

________________________Applications

Notebook, Subnotebook, and Palmtop Computers

Cellular Phones

Ordering Information continued at end of data sheet.

*EP = Exposed paddle.

_____________________ Selector Guide

Battery-Powered Equipment

Handheld Equipment

NO. OF

DRIVERS/

RECEIVERS

GUARANTEED

DATA RATE

(bps)

AUTO-

SHUTDOWN

PLUS

READY

OUTPUT

PART

Peripherals

Printers

✔

—

✔

MAX3224

MAX3225

MAX3226

MAX3227

MAX3244

MAX3245

2/2

1/1

3/5

250k

AutoShutdownPlus, MegaBaud, and UCSP are trademarks

of Maxim Integrated Products, Inc.

†

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.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

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

12 3 4 5 6 7...20

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MAX3225ECUP+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX3225ECUP+T	MAXIM	完全替代	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 4.40 MM, MO-153AC, TSSOP-20
SP3222ECY-L/TR	EXAR	类似代替	True 3.0V to 5.5V RS-232 Transceivers

与MAX3225ECUP+相关器件

型号	品牌	获取价格	描述	数据表
MAX3225ECUP+T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 4.40 MM, MO-153AC, TSSOP-20
MAX3225ECUP-T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 4.40 MM, MO-153AC, TSSOP-20
MAX3225EEAP	MAXIM	获取价格	【15kV ESD-Protected, 1レA, 1Mbps, 3.0V to 5.5V
MAX3225EEAP+	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 5.30 MM, ROHS COMPLIANT, MO-15
MAX3225EEAP+T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, 5.30 MM, ROHS COMPLIANT, MO-15
MAX3225EEPP	MAXIM	获取价格	【15kV ESD-Protected, 1レA, 1Mbps, 3.0V to 5.5V
MAX3225EETP	MAXIM	获取价格	15,-15kV ESD-Protected, 1muA, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers
MAX3225EETP	ROCHESTER	获取价格	DUAL LINE TRANSCEIVER, PQCC20, 5 X 5 MM, 0.75 MM HEIGHT, MO-220WHHC, TQFN-20
MAX3225EETP+T	MAXIM	获取价格	暂无描述
MAX3225EETP-T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, PQCC20, 5 X 5 MM, 0.75 MM HEIGHT, MO-2

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