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MAX3222EC/D

更新时间： 2024-11-23 03:33:11
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
22页 411K
描述
【15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers

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MAX3222EC/D 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DIE
包装说明：DIE,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.49差分输出：NO
驱动器位数：2输入特性：SCHMITT TRIGGER
接口集成电路类型：LINE TRANSCEIVER接口标准：EIA-232; TIA-232; V.24; V.28
JESD-30 代码：X-XUUC-NJESD-609代码：e0
湿度敏感等级：1功能数量：2
最高工作温度：70 °C最低工作温度：
封装主体材料：UNSPECIFIED封装代码：DIE
封装形状：UNSPECIFIED封装形式：UNCASED CHIP
峰值回流温度（摄氏度）：240认证状态：Not Qualified
接收器位数：2最大供电电压：5.5 V
最小供电电压：3 V标称供电电压：3.3 V
表面贴装：YES技术：BICMOS
温度等级：COMMERCIAL端子面层：TIN LEAD
端子形式：NO LEAD端子位置：UPPER
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

MAX3222EC/D 数据手册

 浏览型号MAX3222EC/D的Datasheet PDF文件第2页浏览型号MAX3222EC/D的Datasheet PDF文件第3页浏览型号MAX3222EC/D的Datasheet PDF文件第4页浏览型号MAX3222EC/D的Datasheet PDF文件第5页浏览型号MAX3222EC/D的Datasheet PDF文件第6页浏览型号MAX3222EC/D的Datasheet PDF文件第7页 
19-1298; Rev 7; 2/03  
1ꢀ5k EꢁDꢂ-rotected, Down to 10nA, 3.0k to ꢀ.ꢀk,  
Up to 1Mbps, True Rꢁꢂ232 Transceivers  
General Description  
Features  
The MAX3222E/MAX3232E/MAX3237E/MAX3241E/  
MAX3246E +3.0V-powered EIA/TIA-232 and V.28/V.24  
communications interface devices feature low power con-  
sumption, high data-rate capabilities, and enhanced  
electrostatic-discharge (ESD) protection. The enhanced  
ESD structure protects all transmitter outputs and  
receiver inputs to ±1ꢀ5V using IEꢁ 1000-4-2 Air-ꢂap  
Discharge, ±85V using IEꢁ 1000-4-2 ꢁontact Discharge  
(±±5V for MAX3246E), and ±1ꢀ5V using the ꢃuman ꢄodꢅ  
Model. The logic and receiver I/O pins of the MAX3237E  
are protected to the above standards, while the transmit-  
ter output pins are protected to ±1ꢀ5V using the ꢃuman  
ꢄodꢅ Model.  
o ESD Protection for RS-232 I/O Pins  
(MAX3222E/MAX3232E/MAX3241E/MAX3246E)  
15kV—Human Body Model  
8kV—IEC 1000-4-2, Contact Discharge  
9kV (MAX3246E Only)—IEC 1000-4-2, Contact  
Discharge  
15kV—IEC 1000-4-2, Air-Gap Discharge  
o ESD Protection for all Logic and Receiver I/O Pins  
(MAX3237E)  
15kV—Human Body Model  
8kV—IEC 1000-4-2, Contact Discharge  
15kV–IEC 1000-4-2, Air-Gap Discharge  
A proprietarꢅ low-dropout transmitter output stage delivers  
true RS-232 performance from a +3.0V to +ꢀ.ꢀV power  
supplꢅ, using an internal dual charge pump. The charge  
pump requires onlꢅ four small 0.1µF capacitors for opera-  
tion from a +3.3V supplꢅ. Each device guarantees opera-  
tion at data rates of 2ꢀ05bps while maintaining RS-232  
output levels. The MAX3237E guarantees operation at  
2ꢀ05bps in the normal operating mode and 1Mbps in the  
Megaꢄaud™ operating mode, while maintaining RS-232-  
compliant output levels.  
The MAX3222E/MAX3232E have two receivers and two  
transmitters. The MAX3222E features a 1µA shutdown  
mode that reduces power consumption in batterꢅ-pow-  
ered portable sꢅstems. The MAX3222E receivers remain  
active in shutdown mode, allowing monitoring of external  
devices while consuming onlꢅ 1µA of supplꢅ current. The  
MAX3222E and MAX3232E are pin, pac5age, and func-  
tionallꢅ compatible with the industrꢅ-standard MAX242  
and MAX232, respectivelꢅ.  
o ESD Protection for Transmitter Output Pins  
(MAX3237E)  
15kV—Human Body Model  
o Guaranteed Data Rate  
250kbps (MAX3222E/MAX3232E/MAX3241E/  
MAX3246E/MAX3237E, Normal Operation)  
1Mbps (MAX3237E, MegaBaud Operation)  
o Latchup Free  
o Low-Power Shutdown with Receivers Active  
1µA (MAX3222E/MAX3241E/MAX3246E)  
10nA (MAX3237E)  
o Flow-Through Pinout (MAX3237E)  
o Guaranteed Mouse Drivability (MAX3241E)  
o Meets EIA/TIA-232 Specifications Down to +3.0V  
The MAX3241E/MAX3246E are complete serial ports  
(three drivers/five receivers) designed for noteboo5 and  
subnoteboo5 computers. The MAX3237E (five drivers/  
three receivers) is ideal for peripheral applications that  
require fast data transfer. These devices feature a shut-  
down mode in which all receivers remain active, while  
consuming onlꢅ 1µA (MAX3241E/MAX3246E) or 10nA  
(MAX3237E).  
The MAX3222E, MAX3232E, and MAX3241E are avail-  
able in space-saving SO, SSOP, and TSSOP pac5ages.  
The MAX3237E is offered in an SSOP pac5age. The  
MAX3246E is offered in the ultra-small 6 x 6 UꢁSP™  
pac5age.  
_______________Ordering Information  
PART  
TEMP RANGE  
0°C to +70°C  
0°C to +70°C  
PIN-PACKAGE  
20 TSSOP  
MAX3222ECUP  
MAX3222ECAP  
20 SSOP  
Ordering Information continued at end of data sheet.  
Pin Configurations appear at end of data sheet.  
Selector Guide appears at end of data sheet.  
Typical Operating Circuits appear at end of data sheet.  
________________________Applications  
ꢄatterꢅ-Powered Equipment Printers  
ꢁell Phones  
ꢁell-Phone Data ꢁables  
Noteboo5, Subnoteboo5,  
and Palmtop ꢁomputers  
Smart Phones  
xDSL Modems  
MegaBaud is a trademark of Maxim Integrated Products, Inc.  
UCSP is a trademark 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; and  
other patents pending.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...22

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