F6921 Datasheet

X0010170

Rev.1.0

Apr 8, 2021

Page 4

1.

Pin Information

1.1

Pin Assignments

Figure 2. Pin Assignments for 2.7 × 2.7 mm 23-pin FCBGA Package – Top View

1.2

Pin Descriptions

Pin Number

Name

Type

I/O

Description

A1, A2, A5,

B3, B4,

C1, C2, C3, C4, C5,

D3, D4,

E1, E2, E5

GND

Ground

–

DC and RF ground.

A3

VDD1

Power

Input

Positive supply voltage input for channel 1.

E3

VDD2

Power

Input

Positive supply voltage input for channel 2.

A4, E4

IREF

Power

Input

Reference bias current input, tied to a common node

shared by channels 1 and 2. Connect directly to a current

source, voltage source through a resistor, or to the IBx

pin of the F61xx.

B1

RFI1

Analog

Input

Channel 1 RF input port.

D1

RFI2

Analog

Input

Channel 2 RF input port.

B5

RFO1

Analog

Output

Channel 1 RF output port.

D5

RFO2

Analog

Output

Channel 2 RF output port.