ISL43143IRZ-T

Analog Switches, Multiplexers, Demultiplexers Overview

The ISL43143IRZ-T is a quad single-pole single-throw (SPST) normally open analog switch manufactured by Renesas Electronics Corporation. It integrates four independent channels within a compact 16-pin Leadless QFN package, designed for surface-mount assembly. The device supports a wide single-supply voltage range of 2.7V to 12V and dual supplies of ±2.6V to ±6V. Key electrical specifications include a maximum on-resistance of 65 ohms, an on-resistance matching tolerance of 2 ohms between channels, and a charge injection of 1 picocoulomb. Switching performance is characterized by a maximum turn-on time of 80 nanoseconds and a turn-off time of 30 nanoseconds. The component operates reliably across an industrial temperature range from -40°C to +85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Integrates four independent SPST analog switches in a single compact package
• Supports wide single and dual power supply voltage ranges for flexible system design
• Features low on-resistance with tight channel-to-channel matching for signal integrity
• Provides low charge injection and high off-isolation to minimize signal distortion

Analog Switches, Multiplexers, Demultiplexers Applications

• Signal routing in data acquisition systems
• Multiplexing in audio and video processing circuits
• Programmable gain amplifier front-ends
• Test and measurement equipment signal paths

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm the manufacturer is Renesas Electronics Corporation, formerly Intersil. Ensure the part number matches the exact quad SPST configuration. Check for RoHS compliance status in the latest datasheet. Validate the lead-free finish and moisture sensitivity level requirements for your assembly process.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when a quad SPST configuration is required rather than using multiple dual switches. Consider the 65-ohm on-resistance limit for your signal path losses. Verify that the 2.7V minimum supply voltage aligns with your system rails. Evaluate the 16-QFN package size against your PCB real estate constraints. Compare the switching speed requirements against the 80ns turn-on specification.

Analog Switches, Multiplexers, Demultiplexers Part Context

The ISL43143 series belongs to Renesas' portfolio of high-performance analog switches derived from Intersil technology. This specific variant offers a quad configuration, distinguishing it from dual or single-channel counterparts like the ISL43141. The IRZ suffix denotes a lead-free QFN package suitable for modern surface-mount manufacturing standards. It serves as a functional replacement for legacy discrete switching solutions in compact designs.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Publicly confirmed substitute part numbers for the ISL43143IRZ-T are not available in the provided reference material. Engineers should consult official Renesas documentation for direct pin-compatible alternatives or perform functional equivalence analysis for similar quad SPST devices.