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MAX491ESD+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX491ESD+T

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX491ESD+T,MAX491ESDT MAXIM 10000 In Stock

Description and Introduction

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The MAX491ESD+T is a low-power transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** RS-422/RS-485 Transceiver  
- **Supply Voltage Range:** 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-SOIC  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 120µA (Quiescent Current)  

### **Descriptions:**  
The MAX491ESD+T is a low-power, high-speed 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 is optimized for balanced data transmission and includes fail-safe circuitry to ensure a logic-high receiver output when inputs are open or shorted.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **ESD Protection:** Robust ±15kV protection on driver outputs and receiver inputs.  
- **Fail-Safe Receiver:** Ensures a logic-high output with open or shorted inputs.  
- **Thermal Shutdown:** Prevents damage from excessive power dissipation.  
- **Wide Supply Range:** Operates from 4.75V to 5.25V.  
- **High-Speed Operation:** Supports data rates up to 2.5Mbps.  

This transceiver is commonly used in industrial control, automotive, and communication systems requiring reliable differential signaling.

Application Scenarios & Design Considerations

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

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For immediate assistance, call us at +86 533 2716050 or email [email protected]

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