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MAX3237E_08

更新时间： 2024-01-15 04:47:29
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德州仪器 - TI 驱动器
页数 文件大小 规格书
16页 393K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 1-MBit/s LINE DRIVER/RECEIVER

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MAX3237E_08 数据手册

 浏览型号MAX3237E_08的Datasheet PDF文件第2页浏览型号MAX3237E_08的Datasheet PDF文件第3页浏览型号MAX3237E_08的Datasheet PDF文件第4页浏览型号MAX3237E_08的Datasheet PDF文件第5页浏览型号MAX3237E_08的Datasheet PDF文件第6页浏览型号MAX3237E_08的Datasheet PDF文件第7页 
MAX3237E  
3-V TO 5.5-V MULTICHANNEL RS-232  
1-MBit/s LINE DRIVER/RECEIVER  
www.ti.com  
SLLS709A–MAY 2006–REVISED OCTOBER 2006  
FEATURES  
•
Meets or Exceeds the Requirements of  
TIA/EIA-232-F and ITU v.28 Standards  
•
ESD Protection for RS-232 I/O Pins and Logic  
Input pins  
•
•
•
•
•
•
Operates With 3-V to 5.5-V VCC Supply  
Operates From 250 kbits/s to 1 Mbit/s  
Low Standby Current . . . 1 µA Typical  
External Capacitors . . . 4 × 0.1 µF  
– ±15 kV – Human-Body Model (HBM)  
– ±8 kV – IEC61000-4-2, Contact Discharge  
– ±15 kV – IEC61000-4-2, Air-Gap Discharge  
APPLICATIONS  
Accepts 5-V Logic Input With 3.3-V Supply  
•
Battery-Powered, Hand-Held, and Portable  
Equipment  
PDAs and Palmtop PCs  
Notebooks, Sub-Notebooks, and Laptops  
Digital Cameras  
Designed to Be Interchangeable With Maxim  
MAX3237E  
•
•
•
•
•
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Mobile Phones and Wireless Devices  
DB, DW, OR PW PACKAGE  
(TOP VIEW)  
QFN PACKAGE  
(TOP VIEW)  
C2+  
GND  
C2−  
C1+  
V+  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
2
V
CC  
3
32 31 30 29 28 27 26 25  
V−  
C1−  
DIN1  
4
DOUT1  
DOUT2  
DOUT3  
RIN1  
RIN2  
DOUT4  
RIN3  
C1–  
DIN1  
IN2  
DIN3  
ROUT1  
ROUT2  
DIN4  
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
19  
18  
17  
DOUT1  
DOUT2  
DOUT3  
RIN1  
5
DIN2  
6
DIN3  
7
ROUT1  
ROUT2  
DIN4  
8
RIN2  
DOUT4  
RIN3  
9
10  
11  
12  
ROUT3  
ROUT3  
DIN5  
NC  
DOUT5  
9 10 11 12 13 14 15 16  
EN 13  
14  
16 ROUT1B  
15  
SHDN  
MBAUD  
DESCRIPTION  
The MAX3237E consists of five line drivers, three line receivers, and a dual charge-pump circuit with ±15-kV  
ESD protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of  
TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the  
serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to  
5.5-V supply. This device operates at data signaling rates of 250 kbit/s in normal operating mode  
(MBAUD = GND) and 1Mbit/s when MBAUD = VCC. The driver output slew rate is a maximum of 30 V/µs.  
DESCRIPTION (CONTINUED)  
The MAX3237E transmitters are disabled and the outputs are forced into high-impedance state when the device  
is in shutdown mode (SHDN = GND) and the supply current falls to less than 1 µA. Also, during shutdown, the  
onboard charge pump is disabled; V+ is lowered to VCC, and V– is raised toward GND. Receiver outputs also  
can be placed in the high-impedance state by setting enable (EN) high. ROUT1B remains active all the time,  
regardless of the EN and SHDN condition.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...16

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