ISL43L410IUZ

Analog Switches, Multiplexers, Demultiplexers Overview

The ISL43L410IUZ is a single-supply, bidirectional DPDT analog switch designed for low-voltage operation from +1.65V to +3.6V. It features an ultra-low on-resistance of 0.25Ω at 3V and 0.4Ω at 1.8V, with matching and flatness of 0.03Ω. The device provides fast switching speeds, with turn-on times up to 20ns and turn-off times up to 12ns at 3V. It includes an inhibit pin to simultaneously open all signal paths and offers guaranteed break-before-make timing. The component operates within a temperature range of -40°C to +85°C and is housed in a 10-lead MSOP package.

Analog Switches, Multiplexers, Demultiplexers Feature Summary

• Ultra-low on-resistance ensures minimal insertion loss and distortion for high-fidelity signal reproduction.
• Integrated inhibit pin allows simultaneous opening of all signal paths for efficient power management.
• Guaranteed break-before-make switching prevents signal shorting during state transitions.

Analog Switches, Multiplexers, Demultiplexers Applications

• Battery-powered handheld and portable equipment such as cellular phones and pagers
• Differential 2-to-1 multiplexer applications requiring precise signal routing
• Portable test and measurement instruments

Analog Switches, Multiplexers, Demultiplexers Procurement Notes

Verify the specific ordering suffix to confirm the package type and moisture sensitivity level requirements. Ensure that the supply voltage sequencing protects internal ESD diodes from forward biasing during power-up. Confirm RoHS compliance status if lead-free processing is mandated for the assembly line.

Analog Switches, Multiplexers, Demultiplexers Selection Notes

Select this component when board space is limited due to its compact MSOP or DFN packaging. Choose based on the required on-resistance performance at the specific operating supply voltage. Consider the 1.8V logic compatibility if interfacing directly with low-voltage digital controllers without additional level shifting.

Analog Switches, Multiplexers, Demultiplexers Part Context

This device belongs to the Intersil/Renesas ISL43L4xx series of low-voltage analog switches. It is specifically engineered to address ASIC functionality limitations in mobile devices by providing additional analog input or GPIO expansion. The part alleviates design risks associated with limited digital geometries for analog switching tasks.

Analog Switches, Multiplexers, Demultiplexers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence regarding supply voltage range, on-resistance, and package dimensions before considering alternative components.

Analog Switches, Multiplexers, Demultiplexers FAQ

How does the INH pin function?

Connecting the INH pin to V+ turns all switches off simultaneously, while connecting it to GND enables normal operation.

What is the maximum supply voltage for this device?

The absolute maximum rating for V+ to GND is 4.7V, but the recommended operating range is +1.65V to +3.6V.

Is the device compatible with 1.8V logic levels?

Yes, the digital logic inputs are 1.8V CMOS compatible when using a single +3V supply, with defined thresholds for logic high and low states.