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MAX487ESA from MAX,MAXIM - Dallas Semiconductor

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MAX487ESA

Manufacturer: MAX, MAXIM, MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX487ESA MAX, MAXIM, MAXIM 14565 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX487ESA is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Manufacturer:**  
- **MAX** (Maxim Integrated, now Analog Devices)  

### **Specifications:**  
- **Supply Voltage:** +4.75V to +5.25V  
- **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  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Low Quiescent Current:** 120µA (typical)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Half-Duplex Communication**  

### **Descriptions:**  
- The MAX487ESA is a low-power, slew-rate-limited transceiver designed for RS-485 and RS-422 communication.  
- It features reduced EMI and reflections due to its slew-rate-limited driver.  
- Suitable for industrial control, instrumentation, and multipoint data transmission systems.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Slew-Rate Limited Driver:** Minimizes EMI and signal reflections.  
- **Extended Common-Mode Range:** ±7V for noise immunity.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  
- **Allows up to 128 Transceivers on the Bus:** Supports multipoint communication.  
- **Receiver Failsafe Design:** Ensures a logic-high output when inputs are open or shorted.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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 ESD performance, drop-in replacement in 8-pin packages.
  • ISL8487EIBZ --: Low-power RS-485/RS-422 transceiver with comparable specifications and pinout, suitable as an alternative with different naming series.
  • ST485ECDR --: Low-power RS-485/RS-422 transceiver in SOIC-8 with comparable speed and drive capability, suitable as a functional substitute.

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