SI4464 Datasheet, PDF (2/56 Pages) Silicon Laboratories – HIGH-PERFORMANCE

Si4464/63/61/60
Functional Block Diagram
SDN
RXP
RXN
GPIO3 GPIO2
VCO
Loop
Filter
FBDIV
TX DIV
LO
Gen
RF
PKDET
LNA
XIN XOUT
PFD / CP
Frac-N Div
30 MHz XO
Bootup
OSC
IF
PKDET
PGA
ADC
MODEM
FIFO
Packet
Handler
TX
PA
PowerRamp
Cntl
LDOs
POR
PA
LDO
LBD
32K LP
OSC
Digital
Logic
VDD TXRAMP
VDD
GPIO0 GPIO1
nSEL
SDI
SDO
SCLK
nIRQ
Product Freq. Range
Si4464
Si4463
Si4461
Si4460
Banded
119–960 MHz
Major bands
142-1050 MHz
Major bands
142-1050 MHz
Major bands
142-1050 MHz
Max Output
Power
+20 dBm
TX Current RX Current
915 MHz: 85 mA 10.6/13.6 mA
Narrow Band
Support

+20 dBm 169 MHz: 70 mA 10/13 mA

915 MHz: 85 mA
+16 dBm +13 dBm: 29 mA 10/13 mA

+14 dBm: 33 mA
+13 dBm +10 dBm: 18 mA 10/13 mA

+11 dBm: 20 mA
Image Cal



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2
Rev 1.2