4231-52

Overview

The pSemi 4231-52 is a general-purpose single-pole double-throw (SPDT) RF switch IC designed for applications requiring 75 Ohm impedance. It operates within a frequency range of 0 Hz to 1.3 GHz and supports a supply voltage of 2.7 V to 3.3 V. The component is housed in an 8-TSSOP surface-mount package and functions reliably across an operating temperature range of -40°C to 85°C.

Feature Summary

• Single-pole double-throw (SPDT) switching architecture
• Optimized for 75 Ohm system impedance environments
• Operates on low voltage supply rails between 2.7 V and 3.3 V
• Surface-mount construction in an 8-TSSOP package

Applications

• General purpose RF signal routing
• Wireless communication systems
• RF front-end modules

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to ensure correct pinout and electrical characteristics. Confirm that the 75 Ohm impedance specification aligns with your target circuit design requirements before integration. Cross-reference the 8-TSSOP package dimensions with your PCB layout constraints to guarantee proper physical fitment and thermal performance.

Selection Notes

Select this component when a SPDT configuration is required for 75 Ohm transmission lines rather than standard 50 Ohm systems. Ensure the application environment remains within the specified -40°C to 85°C operational temperature range. Verify that the available supply voltage falls strictly within the 2.7 V to 3.3 V window to maintain optimal switching performance and reliability.

Part Context

This part belongs to the pSemi portfolio of intelligent electronics, specifically focusing on RF switches. It utilizes UltraCMOS technology to provide efficient signal control in compact form factors. The device serves as a fundamental building block for managing RF paths in various wireless and connectivity applications.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.