ADF4108BRUZ AD [Analog Devices], ADF4108BRUZ Datasheet - Page 2

• Manufacturer Part Number: ADF4108BRUZ
• Description: PLL Frequency Synthesizer
• Manufacturer: AD [Analog Devices]

ADF4108
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Characteristics..................................................................... 5
Absolute Maximum Rating ............................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ........................................................................ 9
REVISION HISTORY
4/06—Revision 0: Initial Version
ESD Caution.................................................................................. 6
Reference Input Stage................................................................... 9
RF Input Stage............................................................................... 9
Prescaler (P/P + 1)........................................................................ 9
A and B Counters ......................................................................... 9
R Counter ...................................................................................... 9
Rev. 0 | Page 2 of 20
Interfacing ....................................................................................... 18
PCB Design Guidelines for Chip Scale Package......................... 19
Outline Dimensions ....................................................................... 20
Phase Frequency Detector and Charge Pump...........................9
MUXOUT and Lock Detect...................................................... 10
Input Shift Register .................................................................... 10
Latch Summary........................................................................... 11
Reference Counter Latch Map.................................................. 12
AB Counter Latch Map ............................................................. 13
Function Latch Map................................................................... 14
Initialization Latch Map ............................................................ 15
Function Latch............................................................................ 16
Initialization Latch ..................................................................... 17
Power Supply Considerations................................................... 17
ADuC812 Interface .................................................................... 18
ADSP-2181 Interface ................................................................. 18
Ordering Guide .......................................................................... 20