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MAX483 from MAX,MAXIM - Dallas Semiconductor

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MAX483

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX483 MAX 4500 In Stock

Description and Introduction

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX483 is a low-power transceiver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage (VCC):** +4.75V to +5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Quiescent Current:** 120µA (typical)  
- **Shutdown Current:** 0.1µA (typical)  
- **Common-Mode Voltage Range:** -7V to +12V  
- **Receiver Input Resistance:** ≥12kΩ  

### **Description:**  
The MAX483 is a low-power RS-485/RS-422 compliant transceiver designed for half-duplex communication. It features reduced slew-rate drivers to minimize EMI and reflections, making it suitable for electrically noisy environments.  

### **Features:**  
- Low-power operation for battery-powered applications  
- Slew-rate-limited drivers for reduced EMI  
- Thermal shutdown protection  
- Short-circuit current limiting  
- Receiver fail-safe for open, shorted, or terminated inputs  
- Compatible with RS-485 and RS-422 standards  
- Available in 8-pin SO, DIP, and µMAX packages  

The MAX483 is commonly used in industrial control systems, building automation, and long-distance communication networks.

Application Scenarios & Design Considerations

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
Partnumber Manufacturer Quantity Availability
MAX483 MAXIM 50000 In Stock

Description and Introduction

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers The MAX483 is a low-power RS-485/RS-422 transceiver manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage:** +4.75V to +5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5Mbps  
- **Quiescent Current:** 120µA (typical)  
- **Shutdown Current:** 0.1µA (typical)  
- **Driver Output Current:** ±250mA (short-circuit protected)  
- **Receiver Input Impedance:** ≥12kΩ  
- **Receiver Input Sensitivity:** ±200mV  
- **Propagation Delay (Driver):** 30ns (typical)  
- **Propagation Delay (Receiver):** 50ns (typical)  

### **Descriptions:**
- The MAX483 is a low-power, slew-rate-limited transceiver designed for RS-485 and RS-422 communication.  
- It features reduced EMI and reflections due to its slew-rate-limited driver.  
- It includes a low-power shutdown mode that reduces current consumption to 0.1µA.  
- The device is designed for half-duplex communication.  

### **Features:**
- **Low Power Consumption:** 120µA quiescent current.  
- **Slew-Rate Limited:** Minimizes EMI and signal reflections.  
- **Shutdown Mode:** Reduces power to 0.1µA.  
- **Short-Circuit Protection:** Driver outputs are protected.  
- **Thermal Shutdown:** Prevents damage from excessive power dissipation.  
- **Compatible with RS-485 & RS-422 Standards.**  
- **Half-Duplex Operation.**  

The MAX483 is available in 8-pin DIP, SO, and µMAX packages.  

Would you like additional details on pin configurations or applications?

Application Scenarios & Design Considerations

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

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