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SP489CT from SIPEX

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SP489CT

Manufacturer: SIPEX

Quad RS-485/RS-422 Line Receivers

Partnumber Manufacturer Quantity Availability
SP489CT SIPEX 2583 In Stock

Description and Introduction

Quad RS-485/RS-422 Line Receivers The SP489CT is a RS-485/RS-422 transceiver manufactured by SIPEX.  

**Specifications:**  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 10Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Communication**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 120µA (Standby), 5mA (Active)  

**Descriptions:**  
The SP489CT is designed for bidirectional data communication on multipoint bus transmission lines (RS-485/RS-422). It features slew-rate-limited outputs to reduce EMI and reflections in unterminated cables.  

**Features:**  
- **Enhanced ESD Protection**  
- **Slew-Rate Limited for Reduced EMI**  
- **Driver Output Short-Circuit Protection**  
- **Thermal Shutdown Protection**  
- **Wide Common-Mode Voltage Range (-7V to +12V)**  
- **Compatible with TIA/EIA-485-A Standards**  
- **Available in 8-Pin SOIC Package**  

For detailed electrical characteristics and application notes, refer to the official SIPEX datasheet.

Application Scenarios & Design Considerations

Quad RS-485/RS-422 Line Receivers

Alternative Part Number

  • MAX489CPD --: Pin-compatible RS-485/RS-422 transceiver in the same 14-pin DIP package with equivalent electrical specifications, widely available and a common drop-in replacement.
  • SN75176BP --: Industry-standard RS-485 differential bus transceiver with similar driver/receiver characteristics; check pinout and package before substitution.
  • LTC489CN --: Low-power RS-485 transceiver offering comparable functionality and DIP packaging, suitable as a functional alternative when exact pinout is verified.

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