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ST485C from ST,ST Microelectronics

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ST485C

Manufacturer: ST

LOW POWER RS-485/RS-422 TRANSCEIVER

Partnumber Manufacturer Quantity Availability
ST485C ST 1200 In Stock

Description and Introduction

LOW POWER RS-485/RS-422 TRANSCEIVER The ST485C is a low-power transceiver manufactured by STMicroelectronics, designed for RS-485 and RS-422 communication.  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 10Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  
- **Low Power Consumption:**  
  - Supply Current (No Load): 300µA (Typical)  
  - Shutdown Current: 1µA (Max)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Common-Mode Voltage Range:** -7V to +12V  
- **Output Short-Circuit Protection**  

### **Descriptions and Features:**  
- Designed for balanced data transmission in industrial and telecom applications.  
- Compatible with RS-485 and RS-422 standards.  
- Features a low-power shutdown mode for power-sensitive applications.  
- Includes thermal shutdown protection.  
- Available in SO-8 and TSSOP-8 packages.  
- Suitable for noise-immune communication in harsh environments.  

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Application Scenarios & Design Considerations

LOW POWER RS-485/RS-422 TRANSCEIVER
Partnumber Manufacturer Quantity Availability
ST485C ST8 354 In Stock

Description and Introduction

LOW POWER RS-485/RS-422 TRANSCEIVER The ST485C is a low-power transceiver manufactured by STMicroelectronics (ST). It is designed for RS-485 and RS-422 communication applications.  

### **Specifications:**  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5 Mbps  
- **Low Power Consumption:**  
  - Quiescent Current: 300 µA (typical)  
  - Shutdown Current: 0.1 µA (typical)  
- **ESD Protection:** ±15 kV (Human Body Model)  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  

### **Descriptions:**  
The ST485C is a robust transceiver suitable for industrial and commercial applications requiring reliable differential data transmission. It features fail-safe circuitry to ensure a high receiver output state when inputs are open or shorted.  

### **Features:**  
- **Enhanced ESD Protection** for improved reliability  
- **Wide Common-Mode Voltage Range:** ±7V  
- **Thermal Shutdown Protection**  
- **Driver Short-Circuit Current Limiting**  
- **Compatible with TIA/EIA-485-A and TIA/EIA-422-B Standards**  
- **Available in SO-8 and DIP-8 Packages**  

This device is commonly used in industrial control systems, building automation, and point-of-sale equipment.

Application Scenarios & Design Considerations

LOW POWER RS-485/RS-422 TRANSCEIVER

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