70-V Fault-Protected RS-485 with -20 to +25 common mode 8-SOIC -40 to 105 The **SN65HVD1785DRG4** is a **3.3-V Half-Duplex RS-485 Transceiver** manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Supply Voltage:** 3.3V  
- **Data Rate:** Up to **20 Mbps**  
- **Bus I/O Protection:** ±16-kV HBM ESD Protection  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **SOIC-8 (DRG4)**  
- **Number of Drivers/Receivers:** **1/1**  
- **Half-Duplex Communication**  
- **Low Power Consumption:**  
  - **1.5 mA (Active Mode)**  
  - **1 µA (Shutdown Mode)**  
- **Failsafe Receiver for Open/Shorted/Idle Bus Conditions**  
- **Compliant with **TIA/EIA-485-A** Standards  

### **Features:**  
- **Robust ESD Protection (±16 kV HBM)**  
- **Wide Common-Mode Voltage Range (±12 V)**  
- **Hot-Swap Inputs to Prevent False Signaling**  
- **Supports up to **256 Nodes** on Bus  
- **Industrial-Grade Reliability**  

### **Applications:**  
- **Industrial Automation**  
- **Building Automation**  
- **Motor Control Systems**  
- **RS-485 Networks**  

This transceiver is designed for **high-speed, noise-immune communication** in harsh environments.  

Would you like additional details on pin configuration or application notes?

70-V Fault-Protected RS-485 with -20 to +25 common mode 8-SOIC -40 to 105