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MAX490 from MAX,MAXIM - Dallas Semiconductor

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MAX490

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX490 MAX 5000 In Stock

Description and Introduction

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490 is a low-power, slew-rate-limited RS-485/RS-422 transceiver manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Supply Voltage:** +5V  
- **Data Rate:** Up to 2.5Mbps  
- **Low Quiescent Current:** 120µA (typical)  
- **Slew-Rate Limited:** Reduces EMI and reflections  
- **Half-Duplex Communication**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Driver Output Short-Circuit Current Limiting**  
- **Receiver Input Impedance:** ≥12kΩ  

### **Descriptions & Features:**  
- Designed for balanced multipoint bus transmission (RS-485/RS-422).  
- Includes one driver and one receiver.  
- Features reduced slew rate for low EMI in noisy environments.  
- Supports up to 32 unit loads on a single bus.  
- Thermal shutdown protection for driver outputs.  
- Available in 8-pin DIP, SO, and µMAX packages.  

The MAX490 is commonly used in industrial control, automotive, and instrumentation applications requiring robust serial communication.  

Would you like additional details on pin configurations or application notes?

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