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LTC2850CDD#PBF from LINEAR

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LTC2850CDD#PBF

Manufacturer: LINEAR

3.3V 20Mbps RS485/RS422 Transceiver

Partnumber Manufacturer Quantity Availability
LTC2850CDD#PBF,LTC2850CDDPBF LINEAR 152 In Stock

Description and Introduction

3.3V 20Mbps RS485/RS422 Transceiver The LTC2850CDD#PBF is a RS485/RS422 transceiver manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Type:** Half-duplex RS485/RS422 transceiver  
- **Supply Voltage:** 3V to 5.5V  
- **Data Rate:** Up to 20Mbps  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 8-Lead DFN (3mm × 3mm)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 300µA (max) supply current  
- **Receiver Input Impedance:** 96kΩ (min)  
- **Driver Output Current:** ±25mA (short-circuit protected)  
- **Common-Mode Range (Receiver):** -7V to +12V  
- **Shutdown Current:** 1µA (max)  

### **Descriptions:**  
The LTC2850CDD#PBF is a high-speed, low-power RS485/RS422 transceiver designed for robust communication in noisy environments. It features enhanced ESD protection and operates from a single 3V to 5.5V supply, making it suitable for industrial and automotive applications.  

### **Features:**  
- **High-Speed Operation:** Supports data rates up to 20Mbps  
- **Wide Supply Range:** 3V to 5.5V  
- **Low Power Consumption:** Ideal for battery-powered systems  
- **Enhanced ESD Protection:** ±15kV HBM on bus pins  
- **Half-Duplex Communication:** Single differential bus for transmit/receive  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation  
- **Short-Circuit Protection:** Driver outputs withstand indefinite shorts  
- **Shutdown Mode:** Reduces power consumption to 1µA (max)  

This transceiver is commonly used in industrial automation, motor control, and long-distance communication systems.

Application Scenarios & Design Considerations

3.3V 20Mbps RS485/RS422 Transceiver

Alternative Part Number

  • MAX3485ESA+ --: Pin-compatible RS-485/RS-422 transceiver with similar 3.3V operation and half-duplex functionality, widely available and cost-effective.
  • SN65HVD3082EDR --: 3.3V RS-485 transceiver with low power consumption and similar data rate, suitable drop-in replacement in most designs.
  • ISL8485EIBZ --: 5V/3.3V-compatible RS-485 transceiver offering comparable performance and robust ESD protection for industrial applications.

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