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ST485XD from ST,ST Microelectronics

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ST485XD

Manufacturer: ST

LOW POWER RS-485/RS-422 TRANSCEIVER

Partnumber Manufacturer Quantity Availability
ST485XD ST 50 In Stock

Description and Introduction

LOW POWER RS-485/RS-422 TRANSCEIVER The ST485XD is a low-power transceiver manufactured by STMicroelectronics, designed for RS-485 and RS-422 communication.  

### **Key Specifications:**  
- **Supply Voltage:** 3V to 5.5V  
- **Data Rate:** Up to 10 Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Power Consumption:**  
  - **Supply Current (Driver Enabled):** 1.5 mA (typical)  
  - **Supply Current (Driver Disabled):** 300 µA (typical)  
- **ESD Protection:** ±15 kV (Human Body Model)  
- **Half-Duplex Communication**  
- **Compliant with TIA/EIA-485-A and ISO 8482 Standards**  

### **Features:**  
- **Driver Short-Circuit Protection**  
- **Thermal Shutdown Protection**  
- **Fail-Safe Receiver (Open, Short, Terminated Inputs)**  
- **1/8 Unit Load (Allows up to 256 Nodes on the Bus)**  
- **Slew Rate Limited for Reduced EMI**  
- **Available in SO-8 Package**  

The ST485XD is suitable for industrial, automotive, and instrumentation applications requiring robust and reliable differential communication.

Application Scenarios & Design Considerations

LOW POWER RS-485/RS-422 TRANSCEIVER

Alternative Part Number

  • MAX485ESA --: Industry-standard low-power RS-485/RS-422 transceiver, pin-compatible with ST485 in an 8-pin SO package and widely available as a direct drop-in replacement.
  • SN75176BDR --: Classic RS-485 differential bus transceiver with the same 8-pin SOIC pinout and function, well proven and broadly stocked.
  • SP485ECN-L --: RS-485 transceiver with enhanced ESD protection, same pinout and supply range, offering improved robustness as an alternative.

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