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SP3232 from SIPEX

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SP3232

Manufacturer: SIPEX

True 3.0V to 5.5V RS-232 Transceivers

Partnumber Manufacturer Quantity Availability
SP3232 SIPEX 2550 In Stock

Description and Introduction

True 3.0V to 5.5V RS-232 Transceivers The SP3232 is a RS-232 transceiver IC manufactured by SIPEX (now part of Microchip Technology).  

### **Specifications:**  
- **Supply Voltage:** 3.0V to 5.5V  
- **Data Rate:** Up to 235 kbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 1µA in shutdown mode  
- **Package Options:** SOIC, SSOP, PDIP  

### **Descriptions:**  
- The SP3232 is a 3.3V-powered RS-232 transceiver compliant with EIA/TIA-232 and V.28/V.24 standards.  
- It features two drivers and two receivers, making it suitable for full-duplex communication.  
- Designed for battery-powered and portable applications due to its low power consumption.  

### **Features:**  
- **3.3V Operation:** Compatible with 3.3V logic levels.  
- **Auto Shutdown:** Automatically enters low-power mode when not in use.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge.  
- **Small Footprint:** Available in compact packages for space-constrained designs.  
- **No External Components Required:** Internal charge pump eliminates the need for external capacitors.  

The SP3232 is commonly used in industrial, consumer, and communications applications requiring reliable RS-232 interfacing.

Application Scenarios & Design Considerations

True 3.0V to 5.5V RS-232 Transceivers

Alternative Part Number

  • MAX3232 --: Industry-standard pin-compatible RS-232 transceiver with the same 3.3V/5V operation and dual driver/receiver configuration; widely available and a direct functional drop-in.
  • ST3232 --: Pin-compatible RS-232 transceiver with equivalent driver/receiver count and supply range, offering a cost-effective second source with similar electrical characteristics.
  • ICL3232 --: Comparable dual-channel RS-232 transceiver with matching pinout and 3V/5V operation, suitable as a functional replacement when the original Sipex part is unavailable.

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