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ST485ABDR from ST,ST Microelectronics

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ST485ABDR

Manufacturer: ST

VERY HIGH SPEED LOW POWER RS-485/RS422 TRANSCEIVER

Partnumber Manufacturer Quantity Availability
ST485ABDR ST 5200 In Stock

Description and Introduction

VERY HIGH SPEED LOW POWER RS-485/RS422 TRANSCEIVER The ST485ABDR is a low-power transceiver manufactured by STMicroelectronics, designed for RS-485 and RS-422 communication.  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **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:**  
  - **Standby Current:** 300nA (typical)  
  - **Operating Current:** 1mA (typical)  

### **Descriptions:**  
- The ST485ABDR is a differential bus transceiver optimized for high-speed bidirectional data communication on balanced transmission lines.  
- It is compliant with TIA/EIA-485-A and TIA/EIA-422 standards.  
- The device features a slew-rate-limited driver to minimize EMI and reduce reflections in improperly terminated networks.  

### **Features:**  
- **Enhanced ESD Protection** for robust operation in harsh environments.  
- **Driver Output Short-Circuit Protection** for increased reliability.  
- **Thermal Shutdown Protection** to prevent damage from excessive power dissipation.  
- **Receiver Failsafe Design** ensures a logic-high output when inputs are open or shorted.  
- **Available in SO-8 Package** for compact PCB designs.  

This information is based solely on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

VERY HIGH SPEED LOW POWER RS-485/RS422 TRANSCEIVER

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