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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.

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.

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.

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.

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