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MAX3235ECWP

更新时间： 2024-11-20 22:30:39
品牌 Logo 应用领域
美信 - MAXIM 电容器
页数 文件大小 规格书
12页 146K
描述
【15kV ESD-Protected, 1レA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors

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中文翻译

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MAX3235ECWP 数据手册

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19-1473; Rev 0; 4/99  
±15kV ESD-Prote c te d, 1µA, 250kbps , 3.3V/5V, Dua l  
RS -2 3 2 Tra n s c e ive rs w it h In t e rn a l Ca p a c it o rs  
MAX23E  
________________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
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  
/MAX235E  
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  
P in Co n fig u ra t io n /  
Fu n c t io n a l Dia g ra m  
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.  
1
20  
R2OUT  
R2IN  
MAX3233E  
MAX3235E  
2
3
4
5
19  
18  
17  
T2OUT  
INVALID  
________________________Ap p lic a t io n s  
GND  
V-  
T2IN  
T1IN  
Subnotebook and Palmtop Computers  
Cellular Phones  
Battery-Powered Equipment  
Hand-Held Equipment  
Peripherals  
16  
C2-  
FORCEON  
R1OUT  
6
7
8
9
15  
14  
13  
C2+  
CHARGE  
PUMP  
Embedded Systems  
T1OUT  
R1IN  
C1-  
_______________Ord e rin g In fo rm a t io n  
C1+  
PART  
TEMP. RANGE  
PIN-PACKAGE  
12  
11  
V
CC  
V+  
V+  
MAX3233ECWP  
MAX3233ECPP  
MAX3233EEWP  
MAX3233EEPP  
0°C to +70°C  
0°C to +70°C  
20 SO  
10  
20 Plastic DIP  
20 SO  
FORCEOFF  
-40°C to +85°C  
-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.  
†
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.  
Typical Operating Circuit appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  
1234567...12

中文翻译

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MAX3235ECWP 替代型号

型号 品牌 替代类型 描述 数据表
MAX3235EEWP+G36 MAXIM

完全替代

 Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, ROHS COMPLIANT, SO-20

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