3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers The part SP3493EN is manufactured by SIPEX.  

**Specifications:**  
- **Type:** RS-485/RS-422 Transceiver  
- **Supply Voltage:** 3.3V  
- **Data Rate:** Up to 10Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

**Descriptions:**  
- The SP3493EN is a low-power, half-duplex transceiver designed for RS-485 and RS-422 communication.  
- It is compatible with 3.3V systems and supports high-speed data transmission.  

**Features:**  
- 3.3V operation  
- Half-duplex communication  
- Enhanced ESD protection (±15kV HBM)  
- Low power consumption  
- Thermal shutdown protection  
- Compatible with industry-standard RS-485/RS-422 protocols

3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers

3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers The part SP3493EN is a 3.3V powered RS-485/RS-422 transceiver manufactured by SIPEX (now part of Exar Corporation).  

### **Specifications:**  
- **Supply Voltage:** 3.3V ±10%  
- **Data Rate:** Up to 10Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- The SP3493EN is a low-power, half-duplex transceiver designed for RS-485 and RS-422 communication.  
- It features a slew-rate-limited driver for reduced EMI and reflections in unterminated networks.  
- The device supports fail-safe biasing for open, shorted, and terminated line conditions.  

### **Features:**  
- **Low Power Consumption:** Typically 300µA in shutdown mode.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge up to ±15kV.  
- **Slew Rate Limited:** Reduces EMI and signal distortion.  
- **1/8 Unit Load:** Allows up to 256 devices on the bus.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  
- **Compatible with 3.3V Microcontrollers:** Direct interface without level shifting.  

This information is based solely on the specifications and features provided by the manufacturer.

3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers