adf5001 Analog Devices, Inc., adf5001 Datasheet

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adf5001

Manufacturer Part Number
adf5001
Description
4 Ghz To 18 Ghz Divide-by-4 Prescaler
Manufacturer
Analog Devices, Inc.
Datasheet

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adf5001BCPZ
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FEATURES
Divide-by-4 prescaler
High frequency operation: 4 GHz to 18 GHz
Integrated RF decoupling capacitors
Low power consumption
Low phase noise: −150 dBc/Hz
Single dc supply: 3.3 V compatible with ADF4xxx PLLs
Temperature range: −40
Small package: 3 mm × 3 mm LFCSP
APPLICATIONS
Point-to-point radios
VSAT radios
Communications test equipment
GENERAL DESCRIPTION
The ADF5001 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 into a
PLL IC, such as the
provides a divide-by-4 function. The ADF5001 operates off 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.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
Active mode: 26 mA
Power-down mode: 7 mA
ADF4156
o
C to +105
or ADF4106. The ADF5001
o
C
4 GHz to 18 GHz Divide-by-4 Prescaler
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
RFIN
3pF
50Ω
FUNCTIONAL BLOCK DIAGRAM
GND
BIAS
CE
©2009 Analog Devices, Inc. All rights reserved.
DIVIDE
BY 4
Figure 1.
100Ω
ADF5001
1pF
ADF5001
100Ω
1pF
www.analog.com
VDDx
RFOUT
RFOUTB

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adf5001 Summary of contents

Page 1

... Point-to-point radios VSAT radios Communications test equipment GENERAL DESCRIPTION The ADF5001 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 into a PLL IC, such as the ADF4156 or ADF4106 ...

Page 2

... ADF5001 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 10/09—Revision 0: Initial Version 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 ...

Page 3

... 12.5 mA Rev Page ADF5001 Test Conditions/Comments 4 GHz to 18 GHz. Single-ended output connected into 50 Ω load. Differential outputs connected into 50 Ω load. Differential outputs connected into 100 Ω load. Input frequency ( GHz, offset = 100 kHz input power ( dBm, RFOUT = 4 GHz ...

Page 4

... ADF5001 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter VDDx to GND RFIN Operating Temperature Range Industrial (B Version) Storage Temperature Range Maximum Junction Temperature LFCSP θ Thermal Impedance JA Peak Temperature Time at Peak Temperature Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only ...

Page 5

... The LFCSP package has an exposed paddle that must be connected to GND. PIN 1 12 GND GND 1 INDICATOR RFIN 2 11 RFOUTB ADF5001 GND 3 10 RFOUT TOP VIEW (Not to Scale) GND 4 9 GND NOTES CONNECT. 2. THE EXPOSED PADDLE MUST BE CONNECTED TO GND. Figure 2. Pin Configuration Rev Page ADF5001 ...

Page 6

... Figure 5. RF Output Power (Single-Ended) vs. VDDx 0 –10 –20 –30 –40 –50 – –60 –80 –100 –120 –140 –160 –180 3.0 3.5 Figure 7. Phase Noise Plot of 20 GHz PLL Output Using the ADF5001 Prescaler 3.2 3.4 3.6 Rev Page 2.0 2.2 2.4 2.6 2.8 3.0 3.2 VDDx (V) Figure 6. RF Output Harmonic Content REF ...

Page 7

... J1 2. connector 3 J2, J3 SMA connector 3 T1, T2, T3 Testpoints 1 U1 ADF5001 RF prescaler Rev Page ADF5001 0.062” ± 0.003” COPPER TO COPPER Supplier/Part Number Murata GRM188R71H104KA93D Murata GRM1555C1H100JZ01D Rosenberger 02K243- 40ME3 Johnson Components 142-0701-851 Vero 20-2137 Analog Devices, Inc ...

Page 8

... OUT Figure 10. ADF5001 Used as the RF Prescaler in a Microwave 16 GHz PLL Loop typically required by microwave VCOs. The positive input pin of the OP184 is biased at half the ADF4156 charge pump supply (VP). This can be easily achieved using a simple resistor divider, ensuring sufficient decoupling close to the +IN A pin of the OP184 ...

Page 9

... Lead Frame Chip Scale Package (LFCSP_WQ) 16-Lead Lead Frame Chip Scale Package (LFCSP_WQ), 7” Tape & Reel Evaluation Board Rev Page 1.60 1. 0.25 MIN FOR PROPER CONNECTION OF THE EXPOSED PAD, REFER TO THE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS SECTION OF THIS DATA SHEET. Package Option CP-16-18 CP-16-18 ADF5001 ...

Page 10

... ADF5001 NOTES Rev Page ...

Page 11

... NOTES Rev Page ADF5001 ...

Page 12

... ADF5001 NOTES ©2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08402-0-10/09(0) Rev Page ...

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