adf4218l Analog Devices, Inc., adf4218l Datasheet - Page 18

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

ADF4217L/ADF4218L/ADF4219L
DB21
P16
P16
0
1
DB20
P14
0
1
P14
IF SECTION
NORMAL OPERATION
POWER-DOWN
DB19
B13
IF PRESCALER
16/17
32/33
B13
0
0
0
0
.
.
.
1
1
1
1
DB18
B12
B12
0
0
0
0
.
.
.
1
1
1
1
DB17
B11
DB16
B10
B11
0
0
0
0
.
.
.
1
1
1
1
DB15
Table IX. ADF4219L RF AB Counter Latch Map
B9
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB14
13-BIT B COUNTER
B8
DB13
B7
B3
0
0
0
1
.
.
.
1
1
1
1
RF AB COUNTER LATCH
DB12
B6
B2
0
1
1
0
.
.
.
0
0
1
1
DB11
B5
–18–
DB10
B1
1
0
1
0
.
.
.
0
1
0
1
B4
B COUNTER DIVIDE RATIO
NOT ALLOWED
NOT ALLOWED
3
4
.
.
.
8188
8189
8190
8191
N = BP + A, P IS PRESCALER VALUE SET BY P14.
B MUST BE GREATER THAN OR EQUAL TO A.
FOR CONTIGUOUS VALUES OF N, N
A MUST BE LESS THAN P.
A5
0
0
0
0
.
1
1
DB9
B3
DB8
B2
A4
0
0
0
0
.
1
1
DB7
B1
A3
0
0
0
0
.
1
1
DB6
A5
A2
0
0
1
1
.
1
1
5-BIT A COUNTER
DB5
A4
A1
0
1
0
1
.
0
1
MIN
DB4
A3
IS (P
A COUNTER DIVIDE RATIO
30
31
0
1
2
3
.
DB3
A2
2
–P).
DB2
A1
C2 (1)
DB1
CONTROL
BITS
C1 (1)
DB0
REV. C