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MAX491EESD from MAX,MAXIM - Dallas Semiconductor

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MAX491EESD

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX491EESD MAX 68 In Stock

Description and Introduction

15kV ESD-Protected / Slew-Rate-Limited / Low-Power / RS-485/RS-422 Transceivers The MAX491EESD is a low-power, RS-422/RS-485 compliant transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

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

### **Specifications:**  
- **Supply Voltage Range:** +4.5V to +5.5V  
- **Data Rate:** Up to 2.5Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package Type:** 14-Pin SOIC (Small Outline Integrated Circuit)  
- **Low Power Consumption:**  
  - **Shutdown Current:** 1µA (max)  
  - **Supply Current (Active Mode):** 1.5mA (max)  
- **Half-Duplex Communication**  

### **Descriptions:**  
- The MAX491EESD is a low-power transceiver designed for RS-422 and RS-485 communication.  
- It features a single driver and receiver, making it suitable for half-duplex applications.  
- The device includes thermal shutdown protection to prevent damage from excessive power dissipation.  
- It is designed for balanced data transmission with high noise immunity in industrial environments.  

### **Features:**  
- **RS-422/RS-485 Compliant**  
- **Low-Power Shutdown Mode (1µA max)**  
- **Enhanced ESD Protection (±15kV HBM)**  
- **Driver Output Short-Circuit Protection**  
- **Thermal Shutdown Protection**  
- **Receiver Failsafe for Open/Shorted Inputs**  
- **Wide Common-Mode Voltage Range (-7V to +12V)**  
- **Controlled Driver Output Transition Times for Reduced EMI**  

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

Application Scenarios & Design Considerations

15kV ESD-Protected / Slew-Rate-Limited / Low-Power / RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX491EESD MAXIM 1905 In Stock

Description and Introduction

15kV ESD-Protected / Slew-Rate-Limited / Low-Power / RS-485/RS-422 Transceivers The MAX491EESD is a low-power transceiver manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 14-SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage:** 4.75V to 5.25V  
- **Data Rate:** Up to 2.5Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Protocol Support:** RS-422, RS-485  

### **Descriptions:**  
The MAX491EESD is a low-power, differential bus transceiver designed for RS-422 and RS-485 communication. It features a single driver and receiver, making it suitable for half-duplex applications. The device operates from a single 5V supply and includes slew-rate limiting to reduce EMI and reflections.

### **Features:**  
- Low power consumption  
- Slew-rate limited for reduced EMI  
- Half-duplex communication  
- Thermal shutdown protection  
- Short-circuit current limiting  
- ESD protection: ±15kV (Human Body Model)  

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

Application Scenarios & Design Considerations

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

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