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MAX1483

更新时间： 2024-11-30 14:58:07
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亚德诺 - ADI /
页数 文件大小 规格书
14页 596K
描述
20μA、1/8单位负载、限摆率、RS-485收发器

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MAX1483 数据手册

 浏览型号MAX1483的Datasheet PDF文件第2页浏览型号MAX1483的Datasheet PDF文件第3页浏览型号MAX1483的Datasheet PDF文件第4页浏览型号MAX1483的Datasheet PDF文件第5页浏览型号MAX1483的Datasheet PDF文件第6页浏览型号MAX1483的Datasheet PDF文件第7页 
19-0367; Rev 1; 5/06  
1
20µA, ⁄ -Unit-Load, Slew-Rate-Limited  
8
RS-485 Transceivers  
_______________General Description  
____________________________Features  
The MAX1482 and MAX1483 are low-power trans-  
ceivers for RS-485 and RS-422 communication. Both  
feature slew-rate-limited drivers that minimize EMI and  
reduce reflections caused by improperly terminated  
cables. Data rates are guaranteed up to 250kbps.  
♦ Low 20µA Operating Current  
♦ Slew-Rate Limited for Reduced EMI and  
Reduced Reflections  
♦ 0.1µA Low-Current Shutdown Mode  
The MAX1482/MAX1483 draw only 20µA of supply cur-  
rent. Additionally, they have a low-current shutdown  
mode that consumes only 0.1µA. Both parts operate  
from a single +5V supply.  
♦ Designed for RS-485 and RS-422 Applications  
♦ Operate from a Single +5V Supply  
♦ -7V to +12V Common-Mode Input Voltage Range  
♦ Allows up to 256 Transceivers on the Bus—  
Drivers are short-circuit current limited and are protect-  
ed against excessive power dissipation by thermal  
shutdown circuitry that places the driver outputs into a  
high-impedance state. The receiver input has a fail-safe  
feature that guarantees a logic-high output if the input  
is open circuit.  
1
Guaranteed ( ⁄ -unit load)  
8
♦ Current Limiting and Thermal Shutdown for  
Driver Overload Protection  
Ordering Information  
The MAX1482 is full duplex and the MAX1483 is half  
1
duplex. Both parts have a ⁄8-unit-load input impedance  
PKG  
PART  
TEMP RANGE PIN-PACKAGE  
that guarantees up to 256 transceivers on the bus.  
CODE  
________________________Applications  
MAX1482CPD  
MAX1482CSD  
MAX1482EPD  
MAX1482ESD  
MAX1483CPA  
MAX1483CSA  
MAX1483CUA  
MAX1483EPA  
MAX1483ESA  
0°C to +70°C  
0°C to +70°C  
14 PDIP  
14 SO  
P14-3  
S14-4  
P14-3  
S14-4  
P8-1  
Low-Power RS-485/RS-422 Networks  
Transceivers for EMI-Sensitive Applications  
Industrial-Control Local Area Networks  
Large 256-Node LANs  
-40°C to +85°C 14 PDIP  
-40°C to +85°C 14 SO  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
8 PDIP  
8 SO  
S8-5  
®
8 µMAX  
U8-1  
P8-1  
-40°C to +85°C 8 PDIP  
-40°C to +85°C 8 SO  
S8-5  
_________________Pin Configurations  
_________Typical Operating Circuits  
TOP VIEW  
R
RO  
RE  
DE  
DI  
1
2
3
4
8
7
6
5
V
CC  
B
+5V  
DE  
A
MAX1483  
DI  
R
RO  
RE  
DE  
DI  
1
2
3
4
8
7
V
D
CC  
D
GND  
B
B
A
Rt  
Rt  
6
DIP/SO  
A
RO  
R
D
5
GND  
1
2
3
4
A
B
8
7
6
5
RE  
V
CC  
GND  
DI  
MAX1483  
RO  
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM  
DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.  
DE  
RE  
TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.  
MAX  
MAX1482 appears at end of data sheet.  
MAX1482 appears at end of data sheet.  
µMAX is a registered trademark of Maxim Integrated products, Inc.  
________________________________________________________________ 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...14

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