Datasheet

REV. A
ADF4210/ADF4211/ADF4212/ADF4213
–12–
Table III. IF R Counter Latch Map
R15 R14 R13 .......... R3 R2 R1 DIVIDE RATIO
000..........0011
000..........0102
000..........0113
000..........1004
.................
.................
.................
111..........10032764
111..........10132765
111..........11032766
111..........11132767
0 NEGATIVE
1 POSITIVE
0000LOGIC LOW STATE
0001IF ANALOG LOCK DETECT
0010IF REFERENCE DIVIDER OUTPUT
0011IF N DIVIDER OUTPUT
0100RF ANALOG LOCK DETECT
0101RF/IF ANALOG LOCK DETECT
0110IF DIGITAL LOCK DETECT
0111LOGIC HIGH STATE
1000RF REFERENCE DIVIDER OUTPUT
1001RF N DIVIDER OUTPUT
1010THREE-STATE OUTPUT
1011IF COUNTER RESET
1100RF DIGITAL LOCK DETECT
1101RF/IF DIGITAL LOCK DETECT
1110RF COUNTER RESET
1111IF AND RF COUNTER RESET
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0) C1 (0)R1R2R3R4R5R6R7R8R9R10R11R12R13R14P1P2P3P4
CONTROL
BITS
15-BIT REFERENCE COUNTER
DB21
IF PD
POLARITY
THREE-STATE
CP
LOCK DETECT
PRECISION
IF F
O
IF R COUNTER LATCH
DB23 DB22
IF
CP2
IF
CP1
IF
CP0
IF CP CURRENT
SETTING
0 NORMAL
1 THREE-STATE
P1 IF PD POLARITY
R15
P2 CHARGE PUMP OUTPUT
P12 P11
FROM RF R LATCH P4 P3 MUXOUT
I
CP
(mA)
IF CP2 IF CP1 IF CP0 1.5k 2.7k 5.6k
0001.0880.6250.294
0012.1761.250.588
0103.2641.8750.882
0114.3522.51.176
1005.443.1251.47
1016.5283.751.764
1107.6164.3752.058
1118.7045.02.352