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MAX3243E_09

更新时间： 2024-11-05 11:47:43
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
26页 742K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV IEC ESD PROTECTION

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中文翻译

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MAX3243E_09 数据手册

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MAX3243E  
www.ti.com ................................................................................................................................................... SLLS657C–APRIL 2005–REVISED FEBRUARY 2009  
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER  
WITH ±15-kV IEC ESD PROTECTION  
1
FEATURES  
DB, DW, OR PW PACKAGE  
2
•
Single-Chip and Single-Supply Interface for  
IBM™ PC/AT™ Serial Port  
(TOP VIEW)  
C2+  
C2−  
V−  
C1+  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
•
ESD Protection for RS-232 Bus Pins  
V+  
VCC  
2
–
–
–
±15-kV Human-Body Model (HBM)  
3
±8-kV IEC61000-4-2, Contact Discharge  
±15-kV IEC61000-4-2, Air-Gap Discharge  
RIN1  
RIN2  
GND  
C1−  
4
5
•
Meets or Exceeds Requirements of  
TIA/EIA-232-F and ITU v.28 Standards  
RIN3  
FORCEON  
FORCEOFF  
INVALID  
ROUT2B  
ROUT1  
ROUT2  
ROUT3  
6
RIN4  
RIN5  
7
•
•
Operates With 3-V to 5.5-V VCC Supply  
8
DOUT1  
DOUT2  
DOUT3  
DIN3  
9
Always-Active Noninverting Receiver Output  
(ROUT2B)  
10  
11  
12  
•
Designed to Transmit at a Data Rate up to  
500 kbit/s  
DIN2 13  
14  
16 ROUT4  
15  
•
•
•
•
Low Standby Current . . . 1 µA Typ  
External Capacitors . . . 4 × 0.1 µF  
Accepts 5-V Logic Input With 3.3-V Supply  
DIN1  
ROUT5  
QFN PACKAGE  
(TOP VIEW)  
Designed to Be Interchangeable With Maxim  
MAX3243E  
•
•
Serial-Mouse Driveability  
Auto-Powerdown Feature to Disable Driver  
Outputs When No Valid RS-232 Signal Is  
Sensed  
32 31 30 29 28 27 26 25  
RIN1  
RIN2  
GND  
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
19  
18  
17  
•
Package Options Include Plastic Small-Outline  
(DW), Shrink Small-Outline (DB), and Thin  
Shrink Small-Outline (PW) Packages  
C1–  
RIN3  
FORCEON  
FORCEOFF  
INVALID  
ROUTB2  
ROUT1  
ROUT2  
RIN4  
RIN5  
APPLICATIONS  
DOUT1  
DOUT2  
DOUT3  
•
•
•
•
•
•
Battery-Powered Systems  
PDAs  
Notebooks  
Laptops  
Palmtop PCs  
Hand-Held Equipment  
9
10 11 12 13 14 15 16  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
IBM, PC/AT are trademarks of International Business Machines Corporation.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2009, Texas Instruments Incorporated  
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