adf4218l Analog Devices, Inc., adf4218l Datasheet - Page 13

• Manufacturer Part Number: adf4218l
• Description: Dual Low Power Frequency Synthesizers
• Manufacturer: Analog Devices, Inc.

REV. C
DB21
P4
P12
FROM RF R LATCH
0
0
0
0
0
0
1
1
1
1
1
1
DB20
P3
P2
0
1
DB19
P2
P11
0
0
X
X
1
1
X
X
0
0
1
1
DB18
P5
NORMAL
THREE-STATE
0
1
CHARGE PUMP
OUTPUT
Table IV. ADF4217L/ADF4218L/ADF4219L IF Reference Counter Latch Map
P5
P4
0
0
1
1
0
0
0
0
1
1
1
1
DB17
P1
0
1
P1
I
1.0mA
4.0mA
CP
DB16
R15
PD POLARITY
NEGATIVE
POSITIVE
DB15
R14
P3
0
1
0
1
0
1
0
1
0
1
0
1
DB14
R13
MUXOUT
LOGIC LOW STATE
IF ANALOG LOCK DETECT
IF REFERENCE DIVIDER OUTPUT
IF N DIVIDER OUTPUT
RF ANALOG LOCK DETECT
RF/IF ANALOG LOCK DETECT
RF REFERENCE DIVIDER
RF N DIVIDER
FAST LOCK OUTPUT SWITCH ON
AND CONNECTED TO MUXOUT
IF COUNTER RESET
RF COUNTER RESET
IF AND RF COUNTER RESET
IF REFERENCE COUNTER LATCH
DB13
R12
DB12
R11
R15
0
0
0
0
.
.
.
0
0
0
0
.
1
DB11
R10
R14
–13–
14-BIT REFERENCE COUNTER, R
0
0
0
0
.
.
.
1
1
1
1
.
1
DB10
R9
R13
0
0
0
0
.
.
.
1
1
1
1
.
1
DB9
R8
DB8
R12
0
0
0
0
.
.
.
1
1
1
1
.
1
ADF4217L/ADF4218L/ADF4219L
R7
DB7
R6
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB6
R5
DB5
R4
R3
0
0
0
1
.
.
.
1
1
1
1
.
1
DB4
R3
R2
0
1
1
0
.
.
.
0
0
1
1
.
1
DB3
R2
R1
1
0
1
0
.
.
.
0
1
0
1
.
1
DB2
R1
DIVIDE RATIO
1
2
3
4
.
.
.
16380
16381
16382
16383
.
32767
C2 (0)
DB1
CONTROL
BITS
C1 (0)
DB0