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CBM3485AS PDF预览

CBM3485AS

更新时间: 2024-02-08 23:31:38
品牌 Logo 应用领域
芯佰微 - COREBAI /
页数 文件大小 规格书
11页 903K
描述
OPERATION INSTRUCTION

CBM3485AS 数据手册

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CBM3485A  
OPERATION INSTRUCTION  
FEATURES  
Low Quiescent Current: 300µA  
-7V to +12V Common-Mode Input Voltage Range  
Three-State Outputs  
80ns Propagation Delays, 5ns Skew  
Half-Duplex Versions Available  
Operate from a Single 3.3V Supply  
Allows up to 32 Transceivers on the Bus  
Data rate: 5 Mbps  
Current-Limiting and Thermal Shutdown for Driver Overload Protection  
Enhanced ESD Specifications:  
±15kV IEC61000-4-2 Air Discharge  
±8kV IEC61000-4-2 Contact Discharge  
GENERAL DESCRIPTION  
The CBM3485 is low-power transceivers for RS-485 and RS-422 communication. IC contains  
one driver and one receiver. The driver slew rates of the CBM3485 is not limited, allowing them  
to transmit up to 5Mbps.  
These transceivers draw between 120µA and 500µA of supply current when unloaded or  
fully loaded with disabled drivers. All parts operate from a single 3.3V supply. Drivers are  
short-circuit current limited and are protected 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.  
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