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MAX491ECPD+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX491ECPD+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX491ECPD+,MAX491ECPD MAXIM 1213 In Stock

Description and Introduction

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The **MAX491ECPD+** is a quad RS-422/RS-485 transceiver manufactured by **Maxim Integrated**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Quad RS-422/RS-485 Transceiver  
- **Package:** 14-Pin PDIP (Plastic Dual In-Line Package)  
- **Operating Voltage:** +4.5V to +5.5V  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 4 Drivers / 4 Receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Supply Current (No Load):** 2mA (Typical)  
- **Shutdown Current:** 1μA (Max)  

### **Descriptions:**  
The MAX491ECPD+ is designed for full-duplex RS-422/RS-485 communication. It features four drivers and four receivers, making it suitable for multipoint bus transmission. The device includes fail-safe circuitry to ensure a logic-high receiver output when inputs are open or shorted.  

### **Features:**  
- **Full-Duplex Communication**  
- **Low Power Consumption**  
- **Extended Common-Mode Range (±12V)**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Current Limiting**  
- **Compatible with TTL and CMOS Logic Levels**  
- **High ESD Protection (±15kV HBM)**  
- **Available in 14-Pin PDIP Package**  

This transceiver is commonly used in industrial control systems, telecommunications, and networking applications.

Application Scenarios & Design Considerations

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

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