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MAX487CSA from MAX,MAXIM - Dallas Semiconductor

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MAX487CSA

Manufacturer: MAX, MAXIM, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX487CSA MAX, MAXIM, MAXIM 14575 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX487CSA is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). It is designed for RS-485 and RS-422 communication applications.  

### **Specifications:**  
- **Supply Voltage:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  
- **Low Power Consumption:**  
  - **Supply Current (Quiescent):** 120µA (typical)  
  - **Shutdown Current:** 0.1µA (typical)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 8-pin SOIC  

### **Descriptions and Features:**  
- **RS-485/RS-422 Compliant:** Suitable for balanced differential communication.  
- **Extended Common-Mode Range:** ±7V for noise immunity in industrial environments.  
- **Driver Output Short-Circuit Protection:** Prevents damage during faults.  
- **Thermal Shutdown:** Protects against overheating.  
- **Receiver Input Impedance:** ≥12kΩ (allows up to 32 transceivers on a bus).  
- **Slew-Rate Limited Driver:** Reduces EMI and reflections for reliable data transmission.  
- **Pin-Compatible:** With industry-standard RS-485 transceivers.  

The MAX487CSA is commonly used in industrial control systems, building automation, and multipoint data transmission applications.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SN75176BDR --: Industry-standard RS-485/RS-422 transceiver, pin-compatible with MAX487 in SOIC-8, widely available and cost-effective.
  • SP485ECN-L --: Direct functional equivalent RS-485 transceiver with similar data rate and half-duplex operation, drop-in replacement in most designs.
  • ST485ECDR --: Low-power RS-485/RS-422 transceiver with comparable specifications and SOIC-8 footprint, suitable alternative when MAX parts are unavailable.
  • ST485CDR --: Low-power RS-485 transceiver offering comparable performance and pin compatibility for MAX487 replacement.

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