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MAX491EPD+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX491EPD+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX491EPD+,MAX491EPD MAXIM 1483 In Stock

Description and Introduction

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The MAX491EPD+ is a low-power, high-speed transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX491EPD+  
- **Type:** RS-422/RS-485 Transceiver  
- **Supply Voltage:** 4.75V to 5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Package:** 14-Pin PDIP (Plastic Dual In-Line Package)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Quiescent Current:** 120µA (Max)  
- **Shutdown Current:** 0.1µA (Typical)  

### **Descriptions:**
The MAX491EPD+ is a low-power transceiver designed for RS-422 and RS-485 communication. It features a single driver and receiver, making it suitable for half-duplex applications. The device operates from a single 5V supply and includes built-in ESD protection for robustness in harsh environments.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **High-Speed Operation:** Supports data rates up to 2.5Mbps.  
- **ESD Protection:** ±15kV protection on driver outputs and receiver inputs.  
- **Wide Operating Temperature Range:** -40°C to +85°C for industrial applications.  
- **Shutdown Mode:** Reduces power consumption to 0.1µA when not in use.  
- **Driver Short-Circuit Protection:** Ensures reliability under fault conditions.  
- **Compatible with RS-422 and RS-485 Standards:** Suitable for differential communication networks.  

This information is based solely on the manufacturer's datasheet for the MAX491EPD+.

Application Scenarios & Design Considerations

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

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