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SP3483CP from SIPEX

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SP3483CP

Manufacturer: SIPEX

3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver

Partnumber Manufacturer Quantity Availability
SP3483CP SIPEX 101 In Stock

Description and Introduction

3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver The SP3483CP is a low-power half-duplex RS-485 transceiver manufactured by SIPEX (now part of Microchip Technology).  

### **Specifications:**  
- **Supply Voltage:** 3.3V  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  
- **Data Rate:** Up to 10 Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - **Supply Current (Driver Enabled):** 1.5mA (max)  
  - **Supply Current (Driver Disabled):** 20μA (max)  
- **Package:** 8-pin PDIP  

### **Descriptions:**  
- The SP3483CP is designed for RS-485 and RS-422 communication in industrial and commercial applications.  
- It features a slew-rate-limited driver for reduced EMI and reflections in long cable runs.  
- The device includes fail-safe circuitry to ensure a high receiver output state when inputs are open or shorted.  

### **Features:**  
- **3.3V Operation**  
- **Enhanced ESD Protection**  
- **1/8 Unit Load (Allows up to 256 Nodes on a Bus)**  
- **Slew-Rate Limited for Reduced EMI**  
- **Low-Power Shutdown Mode**  
- **Industrial-Grade Reliability**  

This transceiver is commonly used in industrial automation, building control, and point-of-sale systems.

Application Scenarios & Design Considerations

3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver

Alternative Part Number

  • MAX3483CPA --: Pin-compatible RS-485 transceiver with the same 8-pin DIP footprint and similar 3.3V half-duplex operation, widely available as a direct drop-in replacement.
  • SN75176BP --: Industry-standard RS-485 transceiver in 8-pin DIP; electrically similar function though it operates at 5V, so verify supply compatibility before substituting.
  • ST3485ECN --: 3.3V RS-485 transceiver in 8-pin DIP with comparable half-duplex performance and ESD protection, suitable as an alternative with minor pinout verification.

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