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MAX491CSD

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

Partnumber Manufacturer Quantity Availability
MAX491CSD 30 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX491CSD is a low-power, high-speed transceiver manufactured by Maxim Integrated. It is designed for RS-485 and RS-422 communication applications.  

### **Key Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** SOIC-14  
- **Supply Voltage Range:** +4.75V to +5.25V  
- **Data Rate:** Up to 2.5Mbps  
- **Operating Temperature Range:** 0°C to +70°C  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half/Full Duplex:** Half-Duplex  
- **ESD Protection:** ±15kV (Human Body Model)  

### **Descriptions and Features:**  
- **Low Power Consumption:** Designed for power-sensitive applications.  
- **High-Speed Operation:** Supports data rates up to 2.5Mbps.  
- **ESD Protection:** Robust protection against electrostatic discharge.  
- **Driver Output Short-Circuit Protection:** Enhances reliability in fault conditions.  
- **Thermal Shutdown:** Prevents damage from excessive heat.  
- **Receiver Input Hysteresis:** Improves noise immunity in electrically noisy environments.  
- **Controlled Output Slew Rate:** Reduces EMI and reflections in transmission lines.  

The MAX491CSD is commonly used in industrial control systems, instrumentation, and multipoint data transmission networks.

Application Scenarios & Design Considerations

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX491CSD MAXIM 14 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX491CSD is a low-power, RS-485/RS-422 transceiver manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** SOIC-14  
- **Supply Voltage Range:** +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  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Shutdown Current:** 1µA (max)  
  - **Operating Current:** 120µA (max)  

### **Descriptions:**  
The MAX491CSD is designed for full-duplex RS-485/RS-422 communication. It features a low-power shutdown mode and is suitable for industrial, automotive, and telecom applications.  

### **Features:**  
- **Full-Duplex Communication**  
- **Low-Power Shutdown Mode**  
- **Enhanced ESD Protection**  
- **Driver Short-Circuit Protection**  
- **Thermal Shutdown Protection**  
- **Receiver Fail-Safe for Open/Shorted Inputs**  

The device is commonly used in multi-point data transmission systems, industrial control networks, and other applications requiring robust differential communication.

Application Scenarios & Design Considerations

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX491CSD MAXIM 2500 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX491CSD is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX491CSD  
- **Package:** 14-SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Operating Temperature Range:** 0°C to +70°C  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Supply Current (Shutdown Mode):** 1µA (typical)  
- **Supply Current (Active Mode):** 1mA (typical)  

### **Descriptions:**  
The MAX491CSD is a low-power RS-485/RS-422 transceiver designed for half-duplex communication. It features a driver and receiver with slew-rate limiting to reduce EMI and minimize reflections in improperly terminated cables. The device includes a low-power shutdown mode to conserve energy when not in use.  

### **Features:**  
- **Low Power Consumption:**  
  - 1µA shutdown current  
  - 1mA active supply current  
- **Slew-Rate Limited for Reduced EMI**  
- **Enhanced ESD Protection (±15kV HBM)**  
- **Half-Duplex Communication**  
- **Wide Supply Voltage Range (4.5V to 5.5V)**  
- **Thermal Shutdown Protection**  
- **Compatible with RS-485 and RS-422 Standards**  
- **Short-Circuit Current Limiting**  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX491CSD MAX 9665 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX491CSD is a low-power, high-speed RS-485/RS-422 transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage:** 4.75V to 5.25V  
- **Data Rate:** Up to 2.5Mbps  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 14-pin SOIC (Small Outline Integrated Circuit)  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Shutdown Mode:** 1µA (typical)  
  - **Active Mode:** 120µA (typical)  

### **Descriptions:**  
The MAX491CSD is designed for full-duplex RS-485/RS-422 communication. It features slew-rate-limited drivers to reduce EMI and reflections, making it suitable for long-distance data transmission.  

### **Features:**  
- Half-duplex and full-duplex operation  
- Thermal shutdown protection  
- Short-circuit current limiting  
- Receiver fail-safe for open or shorted inputs  
- Compatible with RS-485 and RS-422 standards  
- Low-power shutdown mode  

For detailed electrical characteristics and application notes, refer to the official datasheet from Maxim Integrated.

Application Scenarios & Design Considerations

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

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