F2912 datasheet(16/24 Pages) RENESAS

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F2912

High Reliability SP2T RF Switch

F2912, Rev 3, 04/01/2016

PIN DIAGRAM

GND

RF2

GND

RF1

GND

Ω

Control

Circuit

E.P.

PIN DESCRIPTION

NAME

FUNCTION

1, 2, 4, 5, 6,

7, 9, 10, 11,

12, 14, 15

GND

Ground these pins as close to the device as possible.

RF1

RF1 Port. Matched to 50

. If this pin is not 0 V DC, then an

external coupling capacitor must be used.

RF_COM

RF Common Port. Matched to 50

. If this pin is not 0 V DC,

then an external coupling capacitor must be used.

RF2

RF2 Port. Matched to 50

. If this pin is not 0 V DC, then an

external coupling capacitor must be used.

CTL2

Control 2 – See Table 1 and Table 2 Switch Control Truth Tables

for proper logic setting.

CTL1

Control 1 – See Table 1 and Table 2 Switch Control Truth Tables

for proper logic setting.

LogicCTL

Logic Control – See Table 4 Logic Control Truth Table. Apply VCC

to select 1.8 V logic control or GND for 3.3 V logic control.

ModeCTL

Mode Control – See Table 3 Mode Control Truth Table. Apply

VCC to select 1-pin control or GND for 2-pin control.

VCC

Power Supply. Bypass to GND with capacitors shown in the

Typical Application Circuit as close as possible to pin.

— EP

Exposed Pad. Internally connected to GND. Solder this exposed

pad to a PCB pad that uses multiple ground vias to provide heat

transfer out of the device into the PCB ground planes. These

multiple via grounds are also required to achieve the specified

RF performance.

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