±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The MAX490ECSA+ is a low-power, RS-422/RS-485 compliant transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** RS-422/RS-485 Transceiver  
- **Supply Voltage:** +4.75V to +5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Package:** 8-Pin SOIC  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Shutdown Current:** 1µA (max)  
  - **Operating Current:** 120µA (max)  

### **Descriptions:**  
The MAX490ECSA+ is designed for balanced communication in RS-422/RS-485 applications. It features a low-power shutdown mode and is suitable for half-duplex communication.  

### **Features:**  
- **Low-Power Shutdown Mode** (1µA max)  
- **Enhanced ESD Protection** (±15kV HBM)  
- **Driver Short-Circuit Current Limiting**  
- **Thermal Shutdown Protection**  
- **Receiver Fail-Safe for Open/Shorted Inputs**  
- **Half-Duplex Communication**  
- **Compliant with RS-422/RS-485 Standards**  

This transceiver is commonly used in industrial control systems, point-of-sale terminals, and other applications requiring robust serial communication.