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ISL43140IRZ-T is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC SWITCH SPST-NCX4 65OHM 16QFN. Review the specifications below when checking this part for your BOM.
The ISL43140IRZ-T is a quad single-pole double-throw (SPDT) analog switch manufactured by Renesas Electronics Corporation. It integrates four independent SPDT switches within a compact 16-VFQFN package featuring an exposed thermal pad. The device supports dual supply voltages ranging from ±2.6V to ±6V or a single supply from 5.2V to 12V. Key electrical characteristics include a maximum on-resistance of 75 ohms, low charge injection of 0.8pC, and minimal off-state leakage current of 1nA. The component operates across an extended temperature range of -40°C to +85°C and offers high off-isolation of -70dB at 100kHz.
Verify the specific suffix 'T' indicates tape and reel packaging when sourcing. Confirm the manufacturer as Renesas Electronics Corporation, noting the historical Intersil lineage. Ensure the component meets RoHS compliance standards required for your assembly process. Check for obsolescence status as older variants may be discontinued.
Select this component when a quad SPDT configuration is required rather than multiple SPST units. Verify that the 75-ohm on-resistance meets the voltage drop requirements of your signal chain. Ensure the operating voltage range aligns with your system's power rails. Consider the 16-QFN package size constraints during PCB layout planning.
This part belongs to the ISL4314x family of analog switches, which are designed for general-purpose signal switching applications. The series is known for combining low power consumption with high performance metrics such as fast switching times and low distortion. These devices are commonly used in environments where signal fidelity and compact form factors are critical design parameters.
Public confirmed substitute part numbers were not identified in the provided source material.
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