ADF4602

Rev. 0 | Page 11 of 36

Pin No.

Mnemonic

Function

31

VDD

Main Supply Input.

32

GPO4

Digital Output. This is used for switch or PA control.

33

CHIPCLK

Chip Clock Output.

34

VSUP81

Reference Clock Supply Input. Connect to VSUP2, and decouple to ground with 100 nF.

35

REFCLK

Reference Clock Output.

36

REFIN

Reference Clock Input. The reference is ac-coupled internally.

37

NC

No Connect. Do not connect to this pin.

38

VSUP61

Receive Synthesizer Supply Input. Connect to VSUP3 and decouple to ground with 100 nF.

39

GPO1

Digital Output. This is used for switch or PA control.

40

GPO2

Digital Output. This is used for switch or PA control.

EPAD

Exposed Paddle Under Chip. This must be connected to ground for correct chip operation. It provides both a

thermal and electrical connection to the PCB.