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MAX485ECSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX485ECSA

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX485ECSA MAXIM, MAX 1530 In Stock

Description and Introduction

15kV ESD-Protected / Slew-Rate-Limited / Low-Power / RS-485/RS-422 Transceivers The MAX485ECSA is a low-power transceiver for RS-485 and RS-422 communication, manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **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 Operation**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Shutdown Current:** 0.1µA (max)  
  - **Quiescent Current:** 300µA (max)  

### **Descriptions:**  
The MAX485ECSA is designed for balanced data transmission and complies with RS-485 and RS-422 standards. It features slew-rate-limited drivers to minimize EMI and reduce reflections caused by improperly terminated cables.  

### **Features:**  
- **Slew-Rate Limited for Error-Free Data Transmission**  
- **Driver Output Short-Circuit Protection**  
- **Receiver Fail-Safe for Open/Shorted Inputs**  
- **Low EMI (Electromagnetic Interference)**  
- **Allows up to 32 Transceivers on the Bus**  
- **Thermal Shutdown Protection**  

The device is commonly used in industrial control systems, building automation, and other applications requiring robust serial communication.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • SN75176BDR --: Industry-standard RS-485/RS-422 transceiver, pin-compatible with MAX485, widely available and cost-effective.
  • SP485ECN-L --: Direct functional equivalent RS-485 transceiver with similar ESD protection and pinout, good drop-in replacement.
  • ST485ECDR --: Low-power RS-485/RS-422 transceiver with comparable specifications and pin compatibility for most MAX485 applications.

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