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