Datasheet > F0452BLEGK

F0452BLEGK

更新时间： 2022-06-24 15:42:37

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
29页	3489K
描述
Dual Path RF Switch with LNA and DVGA 2.3GHz to 2.7GHz

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F0452BLEGK 数据手册

F0452B Datasheet

Pin Descriptions

Table 1.

Pin Descriptions

Number

Name

Description

1-bit 6dB gain control for path 1. (LOW/open = no attenuation; HIGH = 6dB attenuation). A 500kΩ pull-down

resistor is connected between this input and GND.

ATT1_CTRL

STBY1

Standby (LOW/open = path 1 power ON; HIGH = path 1 power OFF). A 500kΩ pull-down resistor is connected

between this input and GND.

RF SWITCH 1 control (LOW/open = select main RX PATH 1; HIGH = switch output). SW1_CTRL also puts path

SW1_CTRL 1 into Standby Mode for minimum current consumption. A 500kΩ pull-down resistor is connected between this

input and GND.

4, 5, 9, 11,

13, 15, 17,

19, 22, 24,

GND

Ground these pins.

26, 28, 30, 32

RF SWITCH 2 control (LOW/open = select main RX PATH 2; HIGH = switch output). SW2_CTRL also puts path

SW2_CTRL 2 into Standby Mode for minimum current consumption. A 500kΩ pull-down resistor is connected between this

input and GND.

Standby (LOW/open = path 2 power ON; HIGH = path 2 power OFF). A 500kΩ pull-down resistor is connected

between this input and GND.

STBY2

1-bit 6dB gain control for path 2. (LOW/open = no attenuation; HIGH = 6dB attenuation). A 500kΩ pull-down

resistor connects between this input and GND.

ATT2_CTRL

RX2_OUT

VDD

RF output path 2 matched to 50Ω. Use external DC block as close to the pin as possible.

Power supply. Bypass to GND with capacitors shown in the F0452B Application Circuit (see Figure 30) as close

as possible to the pins.

12, 14, 27, 29

RF2 switch output matched to 50Ω. Use external 50Ω terminating resistor with proper power rating as required

for the application.

SW2_OUT

SW2_IN

SW1_IN

RF2 switch input matched to 50Ω. Use an external DC block as close to the pin as possible.

RF1 switch input matched to 50Ω. Use an external DC block as close to the pin as possible.

RF1 switch output matched to 50Ω. Use an external 50Ω terminating resistor with proper power rating as

required for the application.

SW1_OUT

RX1_OUT

RF output path 1 matched to 50Ω. Use an external DC block as close to the pin as possible.

20, 21

Not internally connected.

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.

— EPAD

May 7, 2019

1...3 4 567 8 9...29

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