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LTC2859IDD#PBF from LINEAR

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LTC2859IDD#PBF

Manufacturer: LINEAR

20Mbps RS485 Transceiver with Integrated Switchable Termination

Partnumber Manufacturer Quantity Availability
LTC2859IDD#PBF LINEAR 83 In Stock

Description and Introduction

20Mbps RS485 Transceiver with Integrated Switchable Termination The LTC2859IDD#PBF is a RS485/RS422 transceiver manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Type:** RS485/RS422 Transceiver  
- **Package:** DFN-8 (3x3mm)  
- **Supply Voltage:** 3V to 5.5V  
- **Data Rate:** Up to 20Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Half/Full Duplex:** Half Duplex  
- **Low Power Shutdown Mode:** <1µA  

### **Descriptions:**  
The LTC2859IDD#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 3V to 5.5V supply, making it suitable for industrial, automotive, and instrumentation applications.  

### **Features:**  
- **High-Speed Operation:** Supports data rates up to 20Mbps.  
- **Wide Supply Range:** Operates from 3V to 5.5V.  
- **Low Power Consumption:** Shutdown current <1µA.  
- **Robust ESD Protection:** ±15kV HBM on I/O pins.  
- **Fail-Safe Receiver:** Ensures logic-high output when inputs are open or shorted.  
- **Thermal Shutdown:** Protects against excessive power dissipation.  
- **Half-Duplex Communication:** Single differential bus for bidirectional data.  

This transceiver is ideal for applications requiring reliable long-distance data transmission with minimal power consumption.

Application Scenarios & Design Considerations

20Mbps RS485 Transceiver with Integrated Switchable Termination

Alternative Part Number

  • MAX13487EESA+ --: Half-duplex RS-485/RS-422 transceiver with similar functionality and supply range, available in an SOIC package as a practical substitute for the DFN-packaged LTC2859.
  • SN65HVD72DR --: 3.3V RS-485 transceiver with comparable data rate and ESD protection, widely available and pin-functionally compatible for most RS-485 interface designs.
  • ADM485ARZ --: Classic 5V RS-485 transceiver offering similar half-duplex operation; check supply voltage compatibility but a well-established alternative from a different series.

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