ISL43145IRZ

Analog Switches, Multiplexers, Demultiplexers Overview

The ISL43145IRZ is a precision, bidirectional analog switch manufactured by Intersil (Renesas). It features four single-pole single-throw (SPST) channels within a compact QFN package. The device supports low-voltage operation with a wide supply range and offers low on-resistance for signal integrity. Designed for industrial applications, it operates across an extended temperature range of -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Four independent SPST analog switches
• Bidirectional signal transmission capability
• Low on-resistance for minimal signal loss
• Compact leadless QFN package design

Analog Switches, Multiplexers, Demultiplexers Applications

• Industrial process control systems
• Data acquisition modules
• Signal routing in test equipment
• Communication interface switching

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the manufacturer designation as Intersil or Renesas Electronics when sourcing. Confirm the specific suffix 'IRZ' indicates the RoHS-compliant lead-free variant in the QFN-16 package. Ensure the operating temperature range matches the industrial specification requirements for your deployment environment.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component for applications requiring multiple isolated signal paths in a small footprint. Consider the on-resistance characteristics and supply voltage compatibility against your system's signal levels. Evaluate the thermal performance within the QFN enclosure relative to your PCB layout capabilities.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the ISL431xx series of low-voltage analog switches. These devices are engineered for high-performance signal switching in space-constrained designs. The series provides reliable switching for both audio and data signals under varying load conditions.