MAX3223E

更新时间： 2024-11-18 22:58:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
16页	154K
描述
【15kV ESD-Protected, 1レA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown

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MAX3223E 数据手册

19-1283; Rev 2; 1/98

±15kV ESD-Prote c te d, 1µA, 3.0V to 5.5V, 250kbps ,

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

1/MAX243E

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

Fe a t u re s

The MAX3221E/MAX3223E/MAX3243E are 3V-powered

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

with automatic shutdown/wakeup features, high data-

rate capabilities, and enhanced electrostatic discharge

(ESD) protection. All transmitter outputs and receiver

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

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

Discharge, and to ±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

♦ 250kbps Guaranteed Data Rate

♦ 6V/µs Guaranteed Slew Rate

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

The MAX3221E/MAX3223E/MAX3243E a c hie ve a

1µA s up p ly c urre nt with Ma xim’s re volutiona ry

AutoShutd own™ fe a ture . The y s a ve p owe r without

changes to the existing BIOS or operating system by enter-

ing low-power shutdown mode when the RS-232 cable is

disconnected, or when the transmitters of the connected

peripherals are off.

♦ Smallest Single-Supply RS-232 Transceiver

(MAX3221E)

♦ Guaranteed Mouse Driveability (MAX3243E)

♦ Small 0.1µF Capacitors

The transceivers have a proprietary low-dropout trans-

mitter output stage, delivering 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 capaci-

tors for operation from a +3.3V supply. Each device is

guaranteed to run at data rates of 250kbps while main-

taining RS-232 output levels.

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

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

16 SSOP

The MAX3221E contains just one driver and one receiver,

making it the smallest single-supply RS-232 transceiver.

The MAX3223E has two drivers and two receivers. The

MAX3243E is a complete 3-driver/5-receiver serial port

ideal for notebook or subnotebook computers. It also

includes two noninverting receiver outputs that are always

active, allowing external devices to be monitored without

forward biasing the protection diodes in circuitry that may

be powered down.

MAX3221ECAE

MAX3221EEAE

MAX3223ECPP

MAX3223ECAP

MAX3223EEPP

MAX3223EEAP

MAX3243ECWI

MAX3243ECAI

MAX3243EEWI

MAX3243EEAI

16 SSOP

20 Plastic DIP

20 SSOP

20 Plastic DIP

20 SSOP

28 Wide SO

28 SSOP

The MAX3221E, MAX3223E, and MAX3243E are avail-

able in space-saving SSOP packages.

28 Wide SO

28 SSOP

Ap p lic a t io n s

S e le c t o r Gu id e

Notebook, Subnotebook, and Palmtop Computers

Cellular Phones

NO. OF

DRIVERS/

RECEIVERS

RANGE

(V)

PART

AUTOSHUTDOWN

Battery-Powered Equipment

Hand-Held Equipment

Peripherals

✔

MAX3221E

MAX3223E

MAX3243E

1/1

2/2

3/5

3.0 to 5.5

Printers

Pin Configurations appear at end of data sheet.

Typical Operating Circuits appear at end of data sheet.

AutoShutdown is a trademark 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...16

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与MAX3223E相关器件

型号	品牌	获取价格	描述	数据表
MAX3223EAP	MAXIM	获取价格	1レA Supply Current, True +3V to +5.5V RS 232
MAX3223EAP+	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO20, SSOP-20
MAX3223EAP+T	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO20, SSOP-20
MAX3223EAP+TG1Z	MAXIM	获取价格	Line Transceiver,
MAX3223EAP+TGA5	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO20, 5.30 MM, MO-150, SSOP-20
MAX3223EAPT	MAXIM	获取价格	LINE TRANSCEIVER, PDSO20, 0.200 INCH, 0.65 MM PITCH, SSOP-20
MAX3223EAP-T	MAXIM	获取价格	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO20, 5.30 MM, MO-150, SSOP-20
MAX3223EC/D	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, BICMOS, DIE
MAX3223ECAP	MAXIM	获取价格	【15kV ESD-Protected, 1レA, 3.0V to 5.5V, 250kb
MAX3223ECAP+	MAXIM	获取价格	暂无描述

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