Integrated Synthesizer and VCO
ADF4360-7
Data Sheet
FEATURES
GENERAL DESCRIPTION
Output frequency range: 350 MHz to 1800 MHz
Divide-by-2 output
3.0 V to 3.6 V power supply
1.8 V logic compatibility
Integer-N synthesizer
Programmable dual-modulus prescaler 8/9, 16/17
Programmable output power level
3-wire serial interface
Analog and digital lock detect
Hardware and software power-down mode
The ADF4360-7 is an integrated integer-N synthesizer and
voltage controlled oscillator (VCO). The ADF4360-7 center
frequency is set by external inductors. This allows a frequency
range of between 350 MHz to 1800 MHz. In addition, a divideby-2 option is available, whereby the user receives an RF output
of between 175 MHz and 900 MHz.
Control of all the on-chip registers is through a simple 3-wire
interface. The device operates with a power supply ranging from
3.0 V to 3.6 V and can be powered down when not in use.
APPLICATIONS
Wireless handsets (DECT, GSM, PCS, DCS, WCDMA)
Test equipment
Wireless LANs
CATV equipment
FUNCTIONAL BLOCK DIAGRAM
AVDD
RSET
DVDD
CE
ADF4360-7
MUXOUT
MULTIPLEXER
14-BIT R
COUNTER
REFIN
LOCK
DETECT
CLK
DATA
MUTE
24-BIT
FUNCTION
LATCH
24-BIT
DATA REGISTER
LE
CHARGE
PUMP
CP
PHASE
COMPARATOR
VVCO
VTUNE
L1
L2
CC
CN
INTEGER
REGISTER
RFOUTA
VCO
CORE
13-BIT B
COUNTER
5-BIT A
COUNTER
MULTIPLEXER
N = (BP + A)
RFOUTB
LOAD
LOAD
AGND
DGND
DIVSEL = 1
DIVSEL = 2
÷2
04441-001
PRESCALER
P/P+1
OUTPUT
STAGE
CPGND
Figure 1.
Rev. E
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