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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 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.

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.

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.

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