The Intersil ISL54053 device is a low ON-resistance, lowvoltage, bidirectional, single pole/double throw (SPDT)analog switch designed to operate from a single +1.8V to+5.5V supply. Targeted applications include battery poweredequipment which benefit from low rON (0.8Ω) and fastswitching speeds (tON = 24ns, tOFF = 10ns). The digital logicinput is 1.8V logic compatible when using a single +3.0Vsupply.Cell phones, for example, often face ASIC functionalitylimitations. The number of analog input or GPIO pins may belimited and digital geometries are not well suited to analogswitch performance. This part may be used to “mux-in”additional functionality while reducing ASIC design risk. TheISL54053 is offered in the 6 Ld 1.2mmx1.0mmx0.5mmμTDFN package, alleviating board space limitations.The ISL54053 is a committed SPDT that consists of onenormally open (NO) and one normally closed (NC) switch.This configuration can also be used as a 2-to-1 multiplexer.
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