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ST485BD from ST,ST Microelectronics

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ST485BD

Manufacturer: ST

LOW POWER RS-485/RS-422 TRANSCEIVER

Partnumber Manufacturer Quantity Availability
ST485BD ST 2500 In Stock

Description and Introduction

LOW POWER RS-485/RS-422 TRANSCEIVER The ST485BD is a low-power transceiver manufactured by STMicroelectronics, designed for RS-485 and RS-422 communication applications.  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5 Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** Typically 300µA in shutdown mode  
- **Common-Mode Input Voltage Range:** -7V to +12V  
- **Output Short-Circuit Protection**  

### **Descriptions:**  
The ST485BD is a robust differential bus transceiver optimized for high-speed bidirectional data communication on multipoint bus transmission lines. It complies with the RS-485 and RS-422 standards, making it suitable for industrial, automotive, and instrumentation applications.  

### **Features:**  
- **Enhanced ESD Protection** for improved reliability  
- **Driver Output Short-Circuit Current Limiting**  
- **Thermal Shutdown Protection**  
- **Receiver Fail-Safe Design** (ensures logic-high output when inputs are open or shorted)  
- **Low EMI Emission**  
- **Compatible with 3.3V and 5V Logic Levels**  

The device is available in an **8-pin SOIC** package.

Application Scenarios & Design Considerations

LOW POWER RS-485/RS-422 TRANSCEIVER

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