RF2053
Detailed Functional Block Diagram
IP
ANA_VDD
DIG_VDD
RFIPN
RFIPP
ENBL
CONTROL
MODE
1:1
RESETB
ANA_DEC
ANA_VDD
SDATA
SCLK
ENX
RFOPP
RFOPN
SERIAL
BUS
OP
Analog
Regulator
Digital
Regulator
Serial Data Interface,
Control and Biasing
4:1
Mixer
REXT
LO Divider
/1, /2, or /4
EXTERNAL VCO
Vtune
VCOINP
VCOINN
LO Buffer
VCO Buffer
1:1
Frac-N
Sequence
Generator
N Divider
Synthesizer
Phase /
Freq
Detector
LFILT1
Charge
Pump
Vref
EXTERNAL
OP-AMP
XTALIPP
XTALIPN
Reference Oscillator
Circuitry and
Crystal Tuning
Reference Divider
/1 to /7
Pin Out
32 31 30 29 28 27 26 25
ENBL
1
2
3
4
5
6
7
8
24 RFIPP
23 RFIPN
22 ANA_VDD
21 NC
VCOINP
VCOINN
REXT
EP
ANA_DEC
LFILT1
NC
20 NC
19 DIG_VDD
18 NC
NC
17 NC
9
10 11 12 13 14 15 16
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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DS140110
RFMD [ RF MICRO DEVICES ]
