ADRF5545A

Data Sheet

Rev. B | Page 6 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

ADRF5545A

TOP VIEW

(Not to Scale)

NOTES

1. NIC = NOT INTERNALLY CONNECTED. IT IS RECOMMENDED

TO CONNECT NIC TO THE RF GROUND OF THE PCB.

2. EXPOSED PAD. THE EXPOSED PAD MUST BE CONNECTED

TO RF OR DC GROUND.

1

GND

2

GND

3

ANT-CHA

4

GND

5

SWCTRL-CHAB

6

SWVDD-CHAB

7

GND

8

ANT-CHB

9

GND

10

GND

23 GND

24 BP-CHB

25 NIC

26 PD-CHAB

27 BP-CHA

28 GND

29 RXOUT-CHA

30 GND

22 RXOUT-CHB

21 GND

Figure 2. Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 2, 4, 7, 9 to 11, 14 to 16, 21, 23,

28, 30, 35 to 37, 40

GND

Ground.

3

ANT-CHA

RF Input to Channel A.

5

SWCTRL-CHAB

Control Voltage for Switches on Channel A and Channel B.

6

SWVDD-CHAB

Supply Voltage for Switches on Channel A and Channel B.

8

ANT-CHB

RF Input to Channel B.

12

TERM-CHB

Termination Output for Channel B. This pin is the transmitter path for Channel B.

13, 18, 19, 25, 32, 33, 38

NIC

Not Internally Connected. It is recommended to connect NIC to the RF ground of

the PCB.

17

VDD1-CHB

Supply Voltage for Stage 1 LNA on Channel B.

20

VDD2-CHB

Supply Voltage for Stage 2 LNA on Channel B.

22

RXOUT-CHB

RF Output. This pin is the receiver path for Channel B.

24

BP-CHB

Bypass Second Stage LNA of Channel B.

26

PD-CHAB

Power-Down All Stages of LNA for Channel A and Channel B.

27

BP-CHA

Bypass Second Stage LNA of Channel A.

29

RXOUT-CHA

RF Output. This pin is the receiver path for Channel A.

31

VDD2-CHA

Supply Voltage for Stage 2 LNA on Channel A.

34

VDD1-CHA

Supply Voltage for Stage 1 LNA on Channel A.

39

TERM-CHA

Termination Output for Channel A. This pin is the transmitter path for Channel A.

EPAD

Exposed Pad. The exposed pad must be connected to RF or dc ground.