ISL43L841IRZ

Analog Switches, Multiplexers, Demultiplexers Overview

The ISL43L841IRZ is a dual-channel analog switch manufactured by Renesas Electronics Corporation, formerly Intersil. It features two independent SP4T (Single Pole Four Throw) switching circuits configured as 4:1 multiplexers. The device operates on a single supply voltage ranging from 1.65V to 4.5V. Key electrical parameters include a typical on-resistance of 480 milliohms with a maximum channel-to-channel matching of 120 milliohms. Switching times are specified at a maximum of 34ns for turn-on and 24ns for turn-off. The component exhibits low leakage current of 50nA maximum and supports charge injection of -65pC. It is housed in a 16-TQFN package measuring 3x3 mm and functions within an ambient temperature range of -40°C to 85°C.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Dual-channel architecture providing two independent 4:1 multiplexer paths within a single compact package.

Analog Switches, Multiplexers, Demultiplexers Applications

• Signal routing in portable battery-powered equipment requiring low voltage operation.

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the obsolete status of this component before design finalization. Confirm that the manufacturer has issued a formal End-of-Life notification. Evaluate alternative sources or substitute parts if long-term production support is required for the target application.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this part when designing systems with single-supply voltages between 1.65V and 4.5V. Ensure the application requires SP4T topology rather than simpler SPDT configurations. Verify that the 480 milliohm on-resistance meets the signal integrity requirements of the specific circuit path.

Analog Switches, Multiplexers, Demultiplexers Part Context

This component belongs to the ISL43L841 series of high-speed analog switches. It is part of Renesas's portfolio of interface and switching integrated circuits derived from Intersil technology. The device is designed for applications demanding low power consumption and small form factors.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Check for direct pin-compatible substitutes within the same family. Verify if newer generation switches offer improved on-resistance or lower capacitance while maintaining the 16-TQFN footprint.