MAX3089ESD+T

±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers The **MAX3089ESD+T** is a **3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceiver** manufactured by **Maxim Integrated (now part of Analog Devices)**.  

### **Key Specifications:**  
- **Supply Voltage:** 3.3V  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Data Rate:** Up to **25Mbps**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **14-SOIC**  
- **Number of Drivers/Receivers:** **1 Driver, 1 Receiver**  
- **Bus I/O Protection:** **±15kV ESD (HBM), ±15kV (IEC 61000-4-2 Air-Gap Discharge), ±8kV (IEC 61000-4-2 Contact Discharge)**  
- **Fail-Safe Receiver:** Ensures **logic-high output** when inputs are open, shorted, or idle  
- **Hot-Swap Capability:** Allows live insertion/removal without bus disturbance  
- **Half-Duplex Operation**  

### **Features:**  
- **Enhanced ESD Protection** for robust communication in harsh environments  
- **Low-Power Shutdown Mode** (0.1µA typical)  
- **Short-Circuit Current Limiting** on driver outputs  
- **Thermal Shutdown Protection**  
- **Compliant with RS-485/RS-422 Standards**  
- **Supports up to 256 Nodes** on a bus  

### **Applications:**  
- Industrial automation  
- Building control systems  
- HVAC systems  
- Telecom equipment  
- Point-of-sale terminals  

This transceiver is designed for high-speed, noise-immune communication in electrically noisy environments.

±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers