Proposed
RF2722
Pin
25
Function
SSB
Description
SDI enable input (active low).
Interface Schematic
SSB
SDI data input.
26
27
SDI
SDI
SDI clock input.
SCLK
SCLK
Clock input for the DC offset correction system. A 26MHz clock must be
applied to this pin for proper operation of the DC offset correction system.
28
29
30
CLK IN
RX EN
GPO1
CLK IN
RX EN
Set to VCC to activate the IC. Set to GND to deactivate.
General purpose digital output 1. Controlled via SDI programming.
GPO1
GPO2
General purpose digital output 2. Controlled via SDI programming.
31
32
GPO2
Supply for the LNA’s.
RX VCC
RX VCC
BIAS
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A4 DS050919
13 of 26
RFMD [ RF MICRO DEVICES ]
