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The TPW3223-FR is a low-voltage Single Pole/Double Throw (SPDT) analog switch manufactured by 3PEAK. It operates within a supply voltage range of 1.65 V to 5.5 V and features an ultra-low on-state resistance, typically 0.95 Ω at 4.5 V. The device supports a bandwidth of 100 MHz with fast switching times of 40 ns turn-on and 15 ns turn-off. It includes break-before-make switching logic and offers excellent channel-to-channel isolation. The component is available in a QFN1.4X1.8-10 package and functions over an extended temperature range from –40°C to 125°C.
Verify the specific ordering suffix FR indicates tape and reel packaging containing 4000 units. Confirm the operating temperature range matches the -40°C to 125°C specification. Ensure the QFN1.4X1.8-10 package dimensions align with the PCB footprint requirements. Check for RoHS compliance and halogen-free status as defined by the manufacturer's green product standards.
Select this component when low voltage operation below 3.3 V is required alongside high bandwidth signals. The low RON ensures signal integrity in precision analog paths. Verify that the control input voltage levels are compatible with the system logic, noting the threshold variations across the supply range. Consider the thermal dissipation capabilities of the small QFN package for continuous current loads.
The TPW3223 is part of 3PEAK’s portfolio of low-voltage analog switches designed for space-constrained and battery-operated electronics. It serves as a direct replacement for legacy SPDT switches requiring lower power consumption and wider supply compatibility. The device integrates robust ESD protection and latch-up performance exceeding industry standards.
Public confirmed substitute part numbers are not provided in the source documentation.