±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The MAX491ECSD+T is a low-power, high-speed transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** RS-422/RS-485 Transceiver  
- **Supply Voltage:** 4.5V to 5.5V  
- **Data Rate:** Up to 2.5Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-SOIC (150mil)  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 120µA (Quiescent Current)  

### **Descriptions:**  
The MAX491ECSD+T is designed for full-duplex RS-422/RS-485 communication. It features slew-rate-limited drivers to reduce EMI and reflections, making it suitable for high-speed data transmission in industrial and networking applications.  

### **Features:**  
- Half- and Full-Duplex Operation  
- Slew-Rate Limited for Reduced EMI  
- Low Power Shutdown Mode  
- Short-Circuit Current Limiting  
- Thermal Shutdown Protection  
- ESD Protection on Bus Pins  

This transceiver is commonly used in industrial control, telecom, and point-of-sale systems.

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers