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MAX3225

更新时间： 2024-11-17 22:58:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	236K
描述
1レA Supply Current, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus

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数据手册

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MAX3225 数据手册

19-1289; Rev 1; 3/98

1 µA S u p p ly Cu rre n t , 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/MAX3245

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

____________________________Fe a t u re s

♦ 1µA Supply Current

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.

♦ 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 (MAX3224/3226/3244)

1Mbps (MAX3225/3227/3245)

♦ Guaranteed Slew Rate:

6V/µs (MAX3224/3226/3244)

24V/µs (MAX3225/3227/3245)

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

♦ Guaranteed Mouse Driveability (MAX3244/3245)

♦ Ready-to-Transmit Logic-Level Output

The MAX3225/MAX3227/MAX3245 a ls o fe a ture

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.

_______________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

MAX3224CPP

MAX3224CAP

MAX3224EPP

MAX3224EAP

MAX3225CPP

MAX3225CAP

MAX3225EPP

MAX3225EAP

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

Notebook, Subnotebook, and Palmtop Computers

Cellular Phones

Ordering Information continued at end of data sheet.

_____________________ S e le c t o r Gu id e

Battery-Powered Equipment

Hand-Held 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 and MegaBaud are trademarks of Maxim Integrated Products.

†

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 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MAX3225相关器件

型号	品牌	获取价格	描述	数据表
MAX3225CAP	MAXIM	获取价格	1レA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2
MAX3225CAP+	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, BICMOS, PDSO20, ROHS COMPLIANT, SSOP-20
MAX3225CAP+T	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO20, 5.30 MM, 0.65 MM PITCH, SSOP-20
MAX3225CAP-T	MAXIM	获取价格	暂无描述
MAX3225CPP	MAXIM	获取价格	1レA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2
MAX3225CPP+	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, BICMOS, PDIP20, ROHS COMPLIANT, PLASTIC, DIP-2
MAX3225CTP	MAXIM	获取价格	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2
MAX3225CTP+	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, BICMOS, ROHS COMPLIANT, TQFN-20
MAX3225CTP-T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, 5 X 5 MM, TQFN-20
MAX3225CUP	MAXIM	获取价格	1μA Supply Current, 1Mbps, 3.0V to 5.5V, RS-2

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