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ISL43L840IV-T is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Intersil. Its product description is IC SWITCH SP4TX2 750MOHM 16TSSOP. Review the specifications below when checking this part for your BOM.
The ISL43L840IV-T is a precision, bidirectional analog switch configured as two dual 4-channel multiplexers. It features a maximum on-resistance of 750 mOhm and channel-to-channel matching of 120 mOhm. The device operates on a single supply voltage ranging from 1.6V to 3.6V. Key electrical characteristics include a charge injection of -96pC, off-state leakage current of 4nA maximum, and crosstalk of -100dB at 100kHz. It utilizes a 16-TSSOP package with a width of 4.40mm.
Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status as some sources indicate non-compliance due to lead content. Check datasheet revisions and packaging specifications to ensure compatibility with assembly processes. Validate part number suffixes against official Renesas documentation.
Select this component for applications requiring low distortion and high accuracy in signal switching. Consider the 1.6V to 3.6V supply range for low-power designs. Evaluate the 16-TSSOP package dimensions for PCB layout constraints. Ensure thermal management meets the -40°C to 85°C operating temperature requirements.
The ISL43L840 series belongs to Intersil's family of precision analog switches, now under Renesas Electronics. This specific model provides dual 4:1 multiplexing functionality. It is designed for high-performance applications where signal integrity and low noise are critical. The device replaces older discrete switching solutions with integrated precision performance.
Consult official Renesas documentation for verified substitute part numbers. Cross-reference pinout and electrical parameters before substitution. Verify package compatibility and thermal characteristics. Ensure functional equivalence in bidirectional switching and multiplexing requirements.
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