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SP481CS from SIPEX

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SP481CS

Manufacturer: SIPEX

Low Power Half-Duplex RS-485 Transceivers

Partnumber Manufacturer Quantity Availability
SP481CS SIPEX 642 In Stock

Description and Introduction

Low Power Half-Duplex RS-485 Transceivers The SP481CS is a RS-485/RS-422 transceiver manufactured by SIPEX (now part of Exar Corporation). Below are its specifications, descriptions, and features based on factual information:  

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

### **Descriptions:**  
- The SP481CS is a low-power, half-duplex transceiver designed for RS-485 and RS-422 communication.  
- It features slew-rate-limited outputs to minimize EMI and reduce reflections in improperly terminated networks.  
- The device includes thermal shutdown protection and failsafe receiver inputs.  

### **Features:**  
- **Half-Duplex Operation**  
- **Low Power Consumption**  
- **Slew-Rate Limited for Reduced EMI**  
- **Thermal Shutdown Protection**  
- **Failsafe Receiver (Open, Short, Terminated Inputs)**  
- **Compatible with TIA/EIA-485-A and TIA/EIA-422-B Standards**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low Power Half-Duplex RS-485 Transceivers

Alternative Part Number

  • MAX481CPA --: Pin-compatible RS-485/RS-422 transceiver with the same DIP-8 footprint and function; widely available and a direct drop-in replacement.
  • SN75176BP --: Industry-standard RS-485 differential bus transceiver in DIP-8, functionally equivalent and very common as a substitute for SP481.
  • LTC485CN8 --: Low-power RS-485 transceiver in DIP-8 with compatible pinout and electrical characteristics, suitable as an alternative.
  • ADM485ANZ --: Low-power RS-485 transceiver in 8-pin DIP with comparable drive capability and pinout, suitable drop-in replacement for the SP481CS.

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