ISL43840IR-T

Analog Switches, Multiplexers, Demultiplexers Overview

The ISL43840IR-T is a precision, bidirectional analog switch manufactured by Renesas Electronics Corporation. It is configured as a dual 4-channel multiplexer within a single package. The device features a maximum on-state resistance of 50 Ohms and operates across an extended temperature range of -40°C to +85°C (TA). It is supplied in a 20-QFN (4x4) surface-mount package.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Bidirectional signal path capability for flexible circuit routing
• Dual 4-channel multiplexer configuration within a compact footprint
• Precision analog switching with low on-state resistance

Analog Switches, Multiplexers, Demultiplexers Applications

• Signal routing in test and measurement equipment
• Data acquisition systems requiring multi-channel selection
• Industrial control applications involving analog signal switching

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when ordering. Confirm that the 20-QFN (4x4) package dimensions align with your PCB layout constraints. Ensure the operating voltage and signal levels remain within the absolute maximum ratings defined in the official datasheet to prevent device damage.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when a high channel count is required in a small form factor. The bidirectional nature supports complex switching matrices. Consider thermal management requirements given the QFN package type. Verify compatibility with the system's control logic voltage levels before integration.

Analog Switches, Multiplexers, Demultiplexers Part Context

This part belongs to the Intersil analog switch family, now integrated into Renesas Electronics' portfolio. It serves as a solution for applications needing multiple analog channels in a single IC. The product maintains legacy Intersil specifications while adhering to current Renesas quality standards.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Check for direct pin-compatible alternatives within the Renesas analog switch catalog. Verify if newer generations offer improved on-resistance or lower power consumption. Ensure any substitute matches the 20-QFN package outline and electrical characteristics.