Differential Driver and Receiver Pair with Fail-Safe Receiver Output The LTC1690CMS8 is a low power RS485/RS422 transceiver manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Supply Voltage Range:** 3V to 5.5V  
- **Low Quiescent Current:** 300µA (typical)  
- **Shutdown Current:** 0.1µA (typical)  
- **Data Rate:** Up to 250kbps  
- **Half-Duplex Operation**  
- **Thermal Shutdown Protection**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 8-Lead MSOP  

### **Descriptions and Features:**  
- Designed for RS485/RS422 communication applications.  
- Features a low-power shutdown mode for power-sensitive applications.  
- Includes fail-safe receiver operation to ensure a high output state when inputs are open, shorted, or terminated.  
- Driver maintains high impedance when disabled or powered off.  
- Suitable for battery-powered and industrial control systems.  

The LTC1690CMS8 is optimized for low-power, robust communication in noisy environments.

Differential Driver and Receiver Pair with Fail-Safe Receiver Output