ADF4212L Data Sheet
Rev. E | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings ............................................................ 6
ESD Caution .................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 9
Circuit Description ......................................................................... 13
Reference Input Section ............................................................. 13
RF/IF Input Stage........................................................................ 13
Prescaler (P/P + 1) ...................................................................... 13
RF/IF A and B Counters ............................................................ 13
Pulse Swallow Function ............................................................. 13
RF/IF R Counter ......................................................................... 13
Phase Frequency Detector (PFD) and Charge Pump ............ 14
MUXOUT and Lock Detect ...................................................... 14
Lock Detect ................................................................................. 14
RF/IF Input Shift Register ......................................................... 14
IF R Counter Latch ..................................................................... 16
IF N Counter Latch .................................................................... 17
RF R Counter Latch ................................................................... 18
RF N Counter Latch ................................................................... 19
Program Modes .............................................................................. 20
IF and RF Power-Down ............................................................. 20
IF Section ..................................................................................... 20
RF Section ................................................................................... 21
Applications Information .............................................................. 22
Local Oscillator for GSM Handset Receiver ............................... 22
Wideband PLL ............................................................................ 23
Interfacing ................................................................................... 24
PCB Design Guidelines for Lead Frame
Chip Scale Package ..................................................................... 24
Outline Dimensions ....................................................................... 25
Ordering Guide .......................................................................... 26
REVISION HISTORY
1/14—Rev. D to Rev. E
Changes to Table 10 ........................................................................ 18
8/12—Rev. C to Rev D
Changed CP-20-1 to CP-20-6 ........................................... Universal
Updated Outline Dimensions ....................................................... 25
Changes to Ordering Guide .......................................................... 26
11/10—Rev. B to Rev C
Changes to V
P
1, V
P
2 to GND Parameter, Table 4 and V
P
1, V
P
2
to V
DD
1, V
DD
2 Parameter, Table 4 ................................................... 6
Changes to Ordering Guide .......................................................... 26
9/08—Rev. A to Rev B
Updated Format .................................................................. Universal
Changes to Figure 1 and General Description Section ............... 1
Changes to Prescaler Output Frequency Parameter and RF
Input Frequency (RF
IN
) Parameter ................................................. 3
Changes to Table 3 and Figure 2 ..................................................... 5
Changes to Figure 4 .......................................................................... 7
Changes to Figure 27, RF/IF A and B Counters Section, Pulse
Swallow Function Section, and RF/IF R Counter Section ........ 13
Changes to RF/IF Input Shift Register Section ........................... 14
Changes to Programmable IF Reference (R) Counter Section,
IF Program Modes Section, and IF Power-Down Section ........ 20
Changes to Programmable RF Reference (R) Counter Section,
RF Program Modes Section, Programmable RF N Counter
Section, and RF Power-Down Section ......................................... 21
Changes to Figure 32 ...................................................................... 23
Changes to Figure 33 and Figure 34............................................. 24
Added PCB Design Guidelines for Lead Frame Chip Scale
Package Section............................................................................... 24
Updated Outline Dimensions ....................................................... 25
Changes to Ordering Guide .......................................................... 25
3/03—Data Sheet changed from REV. 0 to REV. A
Changes to General Description ..................................................... 1
Changes to Specifications ................................................................. 3
Changes to Table 9 .......................................................................... 18
Changes to Table 11 ....................................................................... 20
Changes to Figure 31 ...................................................................... 23
11/02—Revision 0: Initial Version
