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MAX489ECSD from MAX,MAXIM - Dallas Semiconductor

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MAX489ECSD

Manufacturer: MAX, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX489ECSD MAX, MAXIM 133 In Stock

Description and Introduction

15kV ESD-Protected / Slew-Rate-Limited / Low-Power / RS-485/RS-422 Transceivers The MAX489ECSD is a low-power transceiver manufactured by Maxim Integrated. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX489ECSD  
- **Type:** RS-485/RS-422 Low-Power Transceiver  
- **Supply Voltage:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 2.5Mbps  
- **Package:** 14-pin SOIC (Small Outline Integrated Circuit)  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Half/Full Duplex:** Half-Duplex  
- **Current Consumption (Quiescent):** 120µA (Typical)  

### **Descriptions:**  
The MAX489ECSD is a low-power, half-duplex RS-485/RS-422 transceiver designed for balanced communication. It features reduced slew-rate drivers to minimize EMI and reflections, making it suitable for high-noise environments. The device includes fail-safe circuitry to ensure a logic-high receiver output when inputs are open or shorted.  

### **Features:**  
- **Low Power Consumption:** 120µA quiescent current (typical)  
- **Slew-Rate Limited for Reduced EMI**  
- **Enhanced ESD Protection:** ±15kV (Human Body Model)  
- **Receiver Input Fail-Safe:** Ensures logic-high output with open or shorted inputs  
- **Wide Common-Mode Voltage Range:** -7V to +12V  
- **Thermal Shutdown Protection**  
- **Compatible with RS-485 and RS-422 Standards**  

This information is strictly based on the manufacturer's datasheet and technical specifications.

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 in SOIC-8, pin-compatible with MAX489 and widely available as a lower-cost drop-in replacement.
  • SP485ECN-L --: RS-485 transceiver with ESD protection in SOIC-8, functionally equivalent to MAX489ECSD with similar data rate and supply range.
  • ISL8485EIBZ --: Half-duplex RS-485/RS-422 transceiver with enhanced ESD tolerance in SOIC-8, suitable as an alternative when MAX489 is unavailable.
  • ADM485ARZ --: RS-485 transceiver in SOIC-8 with similar half-duplex operation and ESD protection, a well-established alternative from a major vendor.

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