F1912 Datasheet

R35DS0055EU0100 Rev.1.00

Nov 10, 2022

Page 4

Pin

Name

Function

11

GND

Connect to Ground. This pin is internally connected to the exposed paddle.

12

GND

Connect to Ground. This pin is internally unconnected.

13

VMODE

Pull high for serial control mode. Ground for parallel control mode.

14

RF2

Device RF input or output (bi-directional). Internally DC blocked.

15

D4

8 dB Attenuation Control Bit. Pull high for 8 dB ATTN.

16

D3

4 dB Attenuation Control Bit. Pull high for 4 dB ATTN.

17

D2

2 dB Attenuation Control Bit. Pull high for 2 dB ATTN.

18

GND

Connect to Ground. This pin is internally unconnected.

19

D1

1 dB Attenuation Control Bit. Pull high for 1 dB ATTN.

20

D0

0.5 dB Attenuation Control Bit. Pull high for 0.5 dB ATTN.

EPAD

Exposed Paddle

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.