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MAX489 from MAXIM,MAXIM - Dallas Semiconductor

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16.113ms

MAX489

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX489 MAXIM 3 In Stock

Description and Introduction

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX489 is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **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  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Quiescent Current:** 120µA (typical)  
- **Shutdown Current:** 0.1µA (typical)  

### **Description:**  
The MAX489 is a low-power RS-485/RS-422 transceiver designed for half-duplex communication. It features a driver with slew-rate limiting to reduce EMI and minimize reflections in improperly terminated cables. The device includes a receiver with fail-safe circuitry, ensuring a logic-high output when inputs are open or shorted.  

### **Features:**  
- Low-power operation  
- Slew-rate-limited driver for reduced EMI  
- True fail-safe receiver (open/short input detection)  
- Thermal shutdown protection  
- Short-circuit current limiting  
- Compatible with RS-485 and RS-422 standards  
- Available in 8-pin SO, µMAX, and DIP packages  

For detailed electrical characteristics and application circuits, refer to the official datasheet.

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