+3.3V / 15kV ESD-Protected / Fail-Safe / Hot-Swap / RS-485/RS-422 Transceivers The MAX3078EAPA is a 3.3V, ±15kV ESD-protected, 20Mbps, half-duplex RS-485/RS-422 transceiver manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Supply Voltage:** 3.3V  
- **Data Rate:** Up to 20Mbps  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin PDIP  
- **Half-Duplex Operation**  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Common-Mode Input Voltage Range:** ±12V  
- **Receiver Input Sensitivity:** ±200mV  
- **Driver Output Current:** ±60mA (Short-Circuit Protected)  
- **Low-Power Shutdown Mode (0.1µA typical)**  

### **Features:**  
- **Enhanced ESD Protection:** Protects against ±15kV ESD strikes on bus pins.  
- **Failsafe Receiver:** Ensures logic-high output when inputs are open, shorted, or idle.  
- **Hot-Swap Input Structure:** Prevents false transitions during power-up/down.  
- **Low EMI:** Slew-rate-limited driver reduces EMI.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **Compliant with RS-485/RS-422 Standards**  

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

This transceiver is designed for robust communication in noisy environments while ensuring high-speed data transmission.

+3.3V / 15kV ESD-Protected / Fail-Safe / Hot-Swap / RS-485/RS-422 Transceivers