SKY19245-686LF：

The SKY19245-686LF is a Quad Flat No-Lead (QFN) single-pole,

four-throw (SP4T) switch designed for antenna tuning applications

that require very low RON and COFF. Switching is controlled by an

integrated GPIO interface with three control pins. Depending on

the logic voltage level applied to the control pins, the antenna port

can be either connected to one of the four switched RF outputs or

to multiple pre-defined outputs simultaneously, while the other RF

ports are in isolation state to antenna port.

No external DC blocking capacitors are required as long as no DC

voltage is applied on any RF path.

The SKY19245-686LF is provided in a compact 10-pin,

1.5  1.1  0.45 mm typical QFN that meets requirements for

board-level assembly.

A functional block diagram is shown in Figure 1

SKY19245-686LF

SKY19245-686LF

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