SI4063 Datasheet, PDF (2/37 Pages) Silicon Laboratories – Highly configurable packet handler

Si4063/60-C
Functional Block Diagram
GPIO3 GPIO2
SDN
Loop
Filter
VCO
FBDIV
TX DIV
LO
Gen
XIN XOUT
PFD / CP
Frac-N Div
30 MHz XO
Bootup
OSC
TX
PA
PowerRamp
Cntl
ADC
Temp
sensor
LDOs
MODEM
FIFO
Packet
Handler
PA
LDO
POR
LBD
Digital
Logic
32K LP
OSC
TXRAMP
VDD
GPIO0 GPIO1
Product Freq. Range
Si4063
Si4060
Major bands
142–1050 MHz
Major bands
142–1050 MHz
Max Output
Power
+20 dBm
+13 dBm
TX Current
Narrowband
Operation
169 MHz:

68.5 mA
+10 dBm: 18 mA

+13 dBm: 24 mA
nSEL
SDI
SDO
SCLK
nIRQ
2
Rev 1.0