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参数资料
型号： EVAL-ADF4158EB1Z
厂商： Analog Devices Inc
文件页数： 12/36页
文件大小： 0K
描述： BOARD EVALUATION FOR ADF4158
标准包装： 1
主要目的： 计时，频率合成器
嵌入式： 否
已用 IC / 零件： ADF4158
主要属性： 单路分数-N PLL
已供物品： 板
ADF4158
Data Sheet
Rev. G | Page 2 of 36
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Specifications..................................................................................... 4
Timing Specifications .................................................................. 5
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Pin Function Descriptions...................... 8
Typical Performance Characteristics ............................................. 9
Circuit Description......................................................................... 11
Reference Input Section............................................................. 11
RF Input Stage............................................................................. 11
RF INT Divider........................................................................... 11
25-Bit Fixed Modulus ................................................................ 11
INT, FRAC, and R Relationship ............................................... 11
R-Counter.................................................................................... 11
Phase Frequency Detector (PFD) and Charge Pump............ 12
MUXOUT and LOCK Detect................................................... 12
Input Shift Registers................................................................... 12
Program Modes .......................................................................... 12
Register Maps.................................................................................. 13
FRAC/INT Register (R0) Map.................................................. 15
LSB FRAC Register (R1) Map................................................... 16
R-Divider Register (R2) Map.................................................... 17
Function Register (R3) Map...................................................... 19
Test Register (R4) Map .............................................................. 21
Deviation Register (R5) Map .................................................... 22
Step Register (R6) Map.............................................................. 23
Delay Register (R7) Map ........................................................... 24
Applications Information .............................................................. 25
Initialization Sequence............................................................... 25
RF Synthesizer: A Worked Example ........................................ 25
Reference Doubler and Reference Divider ............................. 25
Cycle Slip Reduction for Faster Lock Times........................... 25
Modulation.................................................................................. 26
Waveform Generation................................................................ 26
Other Waveforms ....................................................................... 28
External Control of Ramp Steps............................................... 30
Fast Lock Mode........................................................................... 32
Spur Mechanisms ....................................................................... 33
Low Frequency Applications..................................................... 33
Filter Design—ADIsimPLL....................................................... 33
PCB Design Guidelines for the Chip Scale Package.............. 33
Application of ADF4158 in FMCW Radar ................................. 34
Outline Dimensions ....................................................................... 35
Ordering Guide........................................................................... 35
Automotive Products ................................................................. 35
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