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MAX490CSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX490CSA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX490CSA MAXIM 158 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490CSA is a low-power, slew-rate-limited RS-485/RS-422 transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage:** +5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 2.5Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Slew Rate Limited:** Reduces EMI and reflections  
- **Low Power Consumption:**  
  - **Shutdown Current:** 1µA (max)  
  - **Operating Current:** 120µA (max)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- Designed for half-duplex communication in RS-485/RS-422 networks.  
- Features slew-rate-limited drivers to minimize EMI and reduce reflections in unterminated cables.  
- Includes a low-power shutdown mode for power-sensitive applications.  
- Robust ESD protection enhances reliability in harsh environments.  

### **Features:**  
- **Low-Power Operation:** Ideal for battery-powered systems.  
- **Slew-Rate Limiting:** Improves signal integrity.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  
- **Receiver Fail-Safe:** Ensures a logic-high output when inputs are open or shorted.  
- **Wide Common-Mode Range:** ±7V allows for noise immunity in long cable runs.  

This transceiver is commonly used in industrial control, automotive, and instrumentation applications requiring reliable serial communication.

Application Scenarios & Design Considerations

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX490CSA MAX 4500 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490CSA is a low-power, slew-rate-limited RS-485/RS-422 transceiver manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage:** +4.75V to +5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 2.5Mbps  
- **Low Quiescent Current:** 120µA (typical)  
- **Slew-Rate Limited for Reduced EMI**  
- **Half-Duplex Communication**  
- **Driver Output Short-Circuit Current Limited**  
- **Thermal Shutdown Protection**  
- **Receiver Input Impedance:** ≥12kΩ  
- **ESD Protection:** ±15kV (Human Body Model)  

### **Descriptions and Features:**  
- The MAX490CSA is designed for RS-485/RS-422 communication in noisy environments.  
- It features slew-rate-limited drivers to minimize EMI and reduce reflections in unterminated cables.  
- The device includes a low-power shutdown mode, reducing current consumption to 0.1µA (typical).  
- It supports up to 32 unit loads on a single bus.  
- The receiver has a fail-safe feature, ensuring a logic-high output when inputs are open or shorted.  
- Available in an 8-pin SOIC package.  

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

Application Scenarios & Design Considerations

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX490CSA MAXIM 20 In Stock

Description and Introduction

Low-Power / Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX490CSA is a low-power, slew-rate-limited RS-485/RS-422 transceiver manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Supply Voltage:** +4.75V to +5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Rate:** Up to 2.5Mbps  
- **Low Quiescent Current:** 120µA (typical)  
- **Slew-Rate Limited for Reduced EMI**  
- **Half-Duplex Communication**  
- **Driver Output Current:** ±60mA (short-circuit protected)  
- **Receiver Input Sensitivity:** ±200mV  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package:** 8-Pin SOIC  

### **Descriptions and Features:**  
- Designed for RS-485/RS-422 communication.  
- Includes one driver and one receiver.  
- Features reduced slew rate to minimize EMI and reflections.  
- Supports up to 32 unit loads on a single bus.  
- Thermal shutdown protection.  
- Driver is enabled when DE (Driver Enable) is high.  
- Receiver is enabled when RE (Receiver Enable) is low.  
- Operates from a single +5V supply.  

The MAX490CSA is commonly used in industrial control, telecom, and networking applications.

Application Scenarios & Design Considerations

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

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