Datasheet > MAX3233E_V01

MAX3233E_V01

更新时间： 2024-11-03 02:50:39

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
12页	263K
描述
Â±15kV ESD-Protected, 1Î¼A, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors

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MAX3233E_V01 数据手册

19-1473; Rev 2; 8/04

±15kV ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual

RS-232 Transceivers with Internal Capacitors

________________General Description

____________________________Features

The MAX3233E/MAX3235E are EIA/TIA-232 and V.28/V.24

communications interfaces with automatic shutdown/

wa ke -up fe a ture s , hig h d a ta -ra te c a p a b ilitie s , a nd

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. The MAX3233E operates

from a +3.3V supply; the MAX3235E operates from +5.0V.

♦ 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

♦ Latchup Free

♦ 1µA Supply Current

♦ AutoShutdown Plus—1997 EDN Magazine

Innovation of the Year

♦ Single-Supply Operation

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 following two conditions occur: either

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 receiver input.

AutoShutdown Plus saves power without changes to

the existing BIOS or operating system.

+3.0V to +3.6V (MAX3233E)

+4.5V to +5.5V (MAX3235E)

♦ 250kbps Guaranteed Data Rate

♦ 6V/µs Guaranteed Slew Rate

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

(MAX3233E)

♦ Internal Charge-Pump Capacitors

Pin Configuration/

Functional Diagram

The MAX3233E/MAX3235E have internal dual charge

pumps requiring no external capacitors. Both trans-

ceivers have a proprietary low-dropout transmitter out-

put stage that enables true RS-232 performance from a

+3.0V to +3.6V supply for the MAX3233E or a +4.5V to

+5.5V supply for the MAX3235E. These devices are

guaranteed to operate up to 250kbps. Both are avail-

able in space-saving 20-pin wide SO or plastic DIP

packages.

R2OUT

R2IN

MAX3233E

MAX3235E

T2OUT

INVALID

________________________Applications

GND

V-

T2IN

T1IN

Subnotebook and Palmtop Computers

Cellular Phones

Battery-Powered Equipment

Handheld Equipment

Peripherals

C2-

FORCEON

R1OUT

C2+

CHARGE

PUMP

Embedded Systems

T1OUT

R1IN

C1-

_______________Ordering Information

C1+

PART

TEMP RANGE

PIN-PACKAGE

V+

MAX3233ECWP

MAX3233ECPP

MAX3233EEWP

MAX3233EEPP

0°C to +70°C

20 SO

20 Plastic DIP

20 SO

FORCEOFF

-40°C to +85°C

20 Plastic DIP

SO/DIP

Ordering Information continued at end of data sheet.

AutoShutdown Plus is a trademark of Maxim Integrated Products, Inc.

Typical Operating Circuit appears at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...12

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与MAX3233E_V01相关器件

型号	品牌	获取价格	描述	数据表
MAX3233ECPP	MAXIM	获取价格	【15kV ESD-Protected, 1レA, 250kbps, 3.3V/5V, D
MAX3233ECPP	ROCHESTER	获取价格	DUAL LINE TRANSCEIVER, PDIP20, PLASTIC, DIP-20
MAX3233ECPP+	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDIP20, PLASTIC, DIP-20
MAX3233ECPP+G36	ROCHESTER	获取价格	DUAL LINE TRANSCEIVER, PDIP20, ROHS COMPLIANT, PLASTIC, DIP-20
MAX3233ECWP	MAXIM	获取价格	【15kV ESD-Protected, 1レA, 250kbps, 3.3V/5V, D
MAX3233ECWP+	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, ROHS COMPLIANT, SOP-20
MAX3233ECWP+G36	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, ROHS COMPLIANT, SO-20
MAX3233ECWP+TG36	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, ROHS COMPLIANT, SO-20
MAX3233ECWP-T	MAXIM	获取价格	Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, SO-20
MAX3233ECWP-TG36	MAXIM	获取价格	Â±15kV ESD-Protected, 1Î¼A, 250kbps, 3.3V/5V,

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