
ADF4193
TABLE OF CONTENTS
Features..............................................................................................1
Rev. B | Page 2 of 28
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 Function Descriptions.............................6
Typical Performance Characteristics.............................................8
Theory of Operation......................................................................11
Reference Input Section.............................................................11
RF Input Stage.............................................................................11
Register Map....................................................................................14
FRAC/INT Register (R0)...........................................................15
MOD/R Register (R1)................................................................16
Phase Register (R2)....................................................................17
Function Register (R3).............................................................. 18
Charge Pump Register (R4)...................................................... 19
Power-Down Register (R5)....................................................... 20
Mux Register (R6)...................................................................... 21
Programming.................................................................................. 22
Worked Example........................................................................ 22
Spur Mechanisms....................................................................... 22
Power-Up Initialization............................................................. 23
Changing the Frequency of the PLL and the Phase Look-Up
Table............................................................................................. 23
Applications..................................................................................... 25
Local Oscillator for A GSM Base Station................................ 25
Interfacing................................................................................... 27
PCB Design Guidelines for Chip Scale Package .................... 27
Outline Dimensions....................................................................... 28
Ordering Guide .......................................................................... 28
REVISION HISTORY
6/06—Rev A. to Rev. B
Changes to Table 1............................................................................ 3
Changes to Figure 32......................................................................18
Changes to Power-Up Initialization Section...............................23
Changes to Timer Values for Tx Section and Timer Values for
Rx Section........................................................................................25
11/05—Rev 0. to Rev. A
Updated Format..................................................................Universal
Changes to Features Section............................................................ 1
Changes to Table 1............................................................................ 3
Changes to Reference Input Section............................................11
Changes to RF N Divider Section ................................................11
Changes to the Lock Detect Section............................................13
Changes to Figure 29......................................................................15
Changes to the 8-Bit INT Value Section ..................................... 15
Changes to Figure 33...................................................................... 19
Replaced Figure 35......................................................................... 21
Changes to the Σ-Δ and Lock Detect Modes Section................ 21
Changes to the Power-Up Initialization Section........................ 23
Changes to Table 8.......................................................................... 23
Changes to the Local Oscillator for a GSM
Base Station Section....................................................................... 25
Changes to the Timer Values for Rx Section.............................. 25
Changes to Figure 36...................................................................... 26
Updates to the Outline Dimensions ............................................ 28
Changes to the Ordering Guide ................................................... 28
4/05—Revision 0: Initial Version