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ADF4154 Datasheet(PDF) 2 Page - Analog Devices |
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ADF4154 Datasheet(HTML) 2 Page - Analog Devices |
2 / 24 page ADF4154 Data Sheet Rev. C | Page 2 of 24 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Characteristics ................................................................ 4 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Pin Function Descriptions...................... 6 Typical Performance Characteristics ............................................. 7 Circuit Description........................................................................... 9 Reference Input Section............................................................... 9 RF Input Stage............................................................................... 9 RF INT Divider............................................................................. 9 INT, FRAC, MOD, and R Relationship ..................................... 9 R-Counter...................................................................................... 9 Phase Frequency Detector (PFD) and Charge Pump.............. 9 MUXOUT and Lock Detect...................................................... 10 Input Shift Registers................................................................... 10 Program Modes .......................................................................... 10 Registers........................................................................................... 11 Register Definitions ................................................................... 16 R-Divider Register, R1 ............................................................... 16 Control Register, R2................................................................... 16 Noise and Spur Register, R3...................................................... 17 Reserved Bits............................................................................... 17 Initialization Sequence .............................................................. 18 RF Synthesizer: A Worked Example........................................ 18 Modulus....................................................................................... 18 Reference Doubler and Reference Divider ............................. 18 12-Bit Programmable Modulus................................................ 18 Spurious Optimization and Fast Lock..................................... 18 Fast-Lock Timer and Register Sequences ............................... 19 Fast Lock: An Example.............................................................. 19 Fast Lock: Loop Filter Topology............................................... 19 Spur Mechanisms ....................................................................... 19 Spur Consistency........................................................................ 20 Filter Design—ADIsimPLL....................................................... 20 Interfacing ................................................................................... 20 PCB Design Guidelines for Chip Scale Package .................... 21 Outline Dimensions....................................................................... 22 Ordering Guide .......................................................................... 22 REVISION HISTORY 8/12—Rev. B to Rev. C Changes to Figure 4.......................................................................... 6 Updated Outline Dimensions (Changed CP-20-1 to CP-20-6) .... 22 Changes to Ordering Guide .......................................................... 22 9/11—Rev. A to Rev. B Changes to Noise Characteristics Parameter................................ 3 Updated Outline Dimensions ....................................................... 22 Changes to Ordering Guide .......................................................... 22 12/06—Rev. 0 to Rev. A Changes to Features.......................................................................... 1 Changes to Applications .................................................................. 1 Changes to Functional Block Diagram.......................................... 1 Changes to Specifications................................................................ 3 Changes to Absolute Maximum Ratings....................................... 5 Changes to Typical Performance Characteristics Conditions.... 7 Replaced Figure 5 through Figure 7............................................... 7 Changes to Figure 13.........................................................................8 Changes to R-Divider Register Map ............................................ 13 Changes to Control Register Map................................................ 14 Change to REFIN Doubler Section................................................ 18 Added Initialization Sequence Section........................................ 18 Change to 12-Bit Programmable Modulus Section................... 18 Changes to Fast-Lock Timer and Register Sequences Section........19 Changes to Fast Lock: Loop Filter Topology Section ................ 19 Deleted Spurious Signal Section................................................... 18 Added Spur Mechanisms Section ................................................ 19 Added Spur Consistency Section ................................................. 20 Change to Filter Design—ADIsimPLL Section.......................... 20 Change to Interfacing Section ...................................................... 20 Updated Outline Dimensions....................................................... 22 Changes to Ordering Guide.......................................................... 22 5/04—Revision 0: Initial Version |
Similar Part No. - ADF4154_15 |
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Similar Description - ADF4154_15 |
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