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MAX1487 from MAXIM,MAXIM - Dallas Semiconductor

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MAX1487

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1487 MAXIM, MAX 110 In Stock

Description and Introduction

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX1487 is a low-power transceiver manufactured by Maxim Integrated. Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage (VCC):** +4.5V to +5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Interface Type:** RS-485/RS-422  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low-Power Shutdown Mode:** 0.1µA (typical)  

### **Descriptions:**  
The MAX1487 is a half-duplex RS-485/RS-422 transceiver designed for low-power applications. It features slew-rate-limited drivers to reduce EMI and minimize reflections in improperly terminated cables. The device includes thermal shutdown protection and failsafe circuitry to ensure a high receiver output when inputs are open or shorted.  

### **Features:**  
- **Low Power Consumption:** 120µA (quiescent current)  
- **Slew-Rate Limited for Reduced EMI**  
- **Thermal Shutdown Protection**  
- **Failsafe Receiver for Open/Shorted Inputs**  
- **Half-Duplex Communication**  
- **Compatible with 5V Systems**  
- **Available in 8-Pin SO, DIP, and µMAX Packages**  

For detailed electrical characteristics and application notes, refer to the official datasheet from Maxim Integrated.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SN75176B --: Industry-standard RS-485/RS-422 transceiver pin-compatible with MAX1487, widely available and cost-effective.
  • ADM485 --: Low-power RS-485 transceiver with similar functionality and pinout, suitable drop-in replacement for MAX1487.
  • ST485 --: RS-485/RS-422 transceiver offering comparable performance and pin compatibility for MAX1487 applications.
  • SP485 --: Low-power RS-485 transceiver offering comparable data rate and pinout compatibility, suitable as a drop-in replacement for the MAX1487.

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