ADF5000 Datasheet PDF - Analog Devices

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ADF5000
Analog Devices

Part Number ADF5000
Description 4 GHz to 18 GHz Divide-by-2 Prescaler
Page 13 Pages


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Data Sheet
FEATURES
Divide-by-2 prescaler
High frequency operation: 4 GHz to 18 GHz
Integrated RF decoupling capacitors
Low power consumption
Active mode: 30 mA
Power-down mode: 17 mA
Low phase noise: −147 dBc/Hz
Single dc supply: 3.3 V compatible with ADF4xxx PLLs
Temperature range: −40°C to +105°C
Small package: 3 mm × 3 mm LFCSP
APPLICATIONS
PLL frequency range extender
Point-to-point radios
VSAT radios
Communications test equipment
GENERAL DESCRIPTION
The ADF5000 prescaler is a low noise, low power, fixed RF
divider block that can be used to divide down frequencies as
high as 18 GHz to a lower frequency suitable for input to a
PLL IC, such as the ADF4156 or the ADF4106. The ADF5000
provides a divide-by-2 function. The ADF5000 operates from
a 3.3 V supply and has differential 100 Ω RF outputs to allow
direct interface to the differential RF inputs of PLLs such as
the ADF4156 and ADF4106.
4 GHz to 18 GHz
Divide-by-2 Prescaler
ADF5000
FUNCTIONAL BLOCK DIAGRAM
CE
RFIN
3pF
50Ω
BIAS
DIVIDE
BY 2
ADF5000
VDDx
100Ω
100Ω
1pF
1pF
RFOUT
RFOUT
GND
Figure 1.
Rev. A
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ADF5000* Product Page Quick Links
Last Content Update: 11/01/2016
Comparable Parts
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Evaluation Kits
• ADF5000 Evaluation Board
Documentation
Data Sheet
• ADF5000: 4 GHz to 18 GHz Divide-by-2 Prescaler Data
Sheet
Tools and Simulations
• ADIsimPLL™
• ADIsimRF
Reference Materials
Product Selection Guide
• RF Source Booklet
Design Resources
• ADF5000 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
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Sample and Buy
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Technical Support
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the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
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ADF5000
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
ESD Caution.................................................................................. 4
REVISION HISTORY
9/13—Rev. 0 to Rev. A
Updated Outline Dimensions ......................................................... 9
Changes to Ordering Guide ............................................................ 9
1/11—Revision 0: Initial Version
Data Sheet
Pin Configuration and Function Descriptions..............................5
Typical Performance Characteristics ..............................................6
Evaluation Board PCB ......................................................................7
PCB Material Stack-Up ................................................................7
Bill of Materials..............................................................................7
Application Circuit............................................................................8
Outline Dimensions ..........................................................................9
Ordering Guide .............................................................................9
Rev. A | Page 2 of 12



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Data Sheet
ADF5000
SPECIFICATIONS
VDD1 = VDD2 = 3.3 V ± 10%, GND = 0 V; dBm referred to 50 Ω; TA = TMIN to TMAX, unless otherwise noted. The operating temperature
range is −40°C to +105°C.
Table 1.
Parameter
RF CHARACTERISTICS
Input Frequency
RF Input Sensitivity
Output Power
Output Voltage Swing
Phase Noise
Reverse Leakage
Second Harmonic Content
Third Harmonic Content
Fourth Harmonic Content
Fifth Harmonic Content
CE INPUT
Input High Voltage, VIH
Input Low Voltage, VIL
POWER SUPPLIES
Voltage Supply
IDD (IDD1 + IDD2)
Active
Power-Down
Min Typ Max Unit Test Conditions/Comments
4 18 GHz
−10 +10 dBm 4 GHz to 18 GHz
−10 −5
dBm Single-ended output connected into 50 Ω load
−7 −2
dBm Differential outputs connected into 100 Ω
differential load
200 330
mV p-p
Peak-to-peak voltage swing on each single-ended
output, connected into 50 Ω load
400 660
mV p-p
Peak-to-peak voltage swing on differential
output, connected into 100 Ω differential load
1000
mV p-p
Peak-to-peak voltage swing on each single-ended
output, no load condition
−147
dBc/Hz Input frequency (fIN) = 12 GHz, offset = 100 kHz
−60
dBm
RF input power (PIN) = 0 dBm, RFOUT = 4 GHz
−28 dBc
−12 dBc
−37 dBc
−19 dBc
2.2 V
0.3 V
3.0 3.3 3.6 V
30 60 mA CE is high
17 30 mA CE is low
Rev. A | Page 3 of 12



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