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SP481REN from SP

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SP481REN

Manufacturer: SP, SIPEX

1/10th Unit Load RS-485 Transceiver

Partnumber Manufacturer Quantity Availability
SP481REN SP, SIPEX 540 In Stock

Description and Introduction

1/10th Unit Load RS-485 Transceiver The SP481REN is a transceiver IC manufactured by SP. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage (VCC):** +5V ±10%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Package Type:** 8-pin SOIC  
- **ESD Protection:** ±15kV (Human Body Model)  

### **Descriptions:**  
- The SP481REN is a low-power, half-duplex RS-485/RS-422 transceiver.  
- It is designed for balanced data transmission and reception in industrial and communication applications.  
- The device features a slew-rate-limited driver to minimize EMI and reduce reflections in improperly terminated cables.  

### **Features:**  
- **Low Power Consumption:** Typically 300µA in shutdown mode.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge.  
- **Slew-Rate Limited Driver:** Reduces EMI and signal distortion.  
- **Wide Common-Mode Voltage Range:** -7V to +12V for noise immunity.  
- **1/8 Unit Load:** Allows up to 256 devices on a bus.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  

For further details, refer to the official SP datasheet.

Application Scenarios & Design Considerations

1/10th Unit Load RS-485 Transceiver

Alternative Part Number

  • MAX481CPA --: Pin-compatible RS-485/RS-422 transceiver with the same 8-pin DIP footprint and equivalent electrical characteristics, widely available and well documented.
  • SN75176BP --: Industry-standard RS-485 differential bus transceiver in 8-pin DIP, functionally interchangeable with the SP481REN for most half-duplex applications.
  • ADM485ANZ --: Low-power RS-485 transceiver in 8-pin DIP with similar driver/receiver specs, suitable as a drop-in replacement in typical designs.
  • ADM485AN --: Low-power RS-485 transceiver with matching pinout and 5V operation, suitable drop-in substitute.

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