Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX491MJD is a low-power, high-speed transceiver manufactured by Maxim Integrated. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** +4.5V to +5.5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Package:** 8-Pin CERDIP  

### **Descriptions:**  
- The MAX491MJD is designed for RS-422/RS-485 communication applications.  
- It features low-power shutdown mode and thermal shutdown protection.  
- Suitable for half-duplex communication.  

### **Features:**  
- **Low Power Consumption:** Operates at 120µA (typical) in shutdown mode.  
- **ESD Protection:** ±15kV (Human Body Model) on driver outputs and receiver inputs.  
- **Fail-Safe Receiver:** Ensures logic-high output when inputs are open or shorted.  
- **High-Speed Operation:** Supports data rates up to 2.5Mbps.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  

This device is commonly used in industrial, automotive, and communication systems requiring robust differential data transmission.

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

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX491MJD is a low-power, high-speed transceiver manufactured by Maxim Integrated. It is designed for RS-485 and RS-422 communication applications.  

### **Specifications:**  
- **Supply Voltage:** 4.75V to 5.25V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Package:** CERDIP (8-pin)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 120µA (Quiescent Current)  

### **Descriptions & Features:**  
- **Half-Duplex RS-485/RS-422 Communication**  
- **Thermal Shutdown Protection**  
- **Current-Limiting and Short-Circuit Protection**  
- **Slew-Rate Limited for Reduced EMI**  
- **Driver Outputs Short-Circuit Current Limited**  
- **Receiver Input Fail-Safe for Open/Shorted Conditions**  

The MAX491MJD is suitable for industrial, automotive, and instrumentation applications requiring robust serial communication.

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