ADF4208 AD [Analog Devices], ADF4208 Datasheet - Page 13

• Manufacturer Part Number: ADF4208
• Description: Dual RF PLL Frequency Synthesizers
• Manufacturer: AD [Analog Devices]

DB21
P7
0
1
P7
DB20 DB19 DB18 DB17 DB16 DB15 DB14
P6
P6
0
1
RF2 SECTION
NORMAL OPERATION
POWER-DOWN
B11
B11
0
0
0
0
.
.
.
1
1
1
1
RF2 PRESCALER
64/65
32/33
B10
B9
B10
0
0
0
0
.
.
.
1
1
1
1
B8
B7
B9
0
0
0
0
.
.
.
1
1
1
1
11-BIT B COUNTER
B6
Table IV. RF2 AB Counter Latch Map
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB13 DB12 DB11 DB10
B5
RF2 AB COUNTER LATCH
B4
B3
0
0
0
0
.
.
.
1
1
1
1
A6
X
X
X
X
.
.
.
X
X
B3
B2
B2
0
0
1
1
.
.
.
0
0
1
1
A5
X
X
X
X
.
.
.
X
X
DB9
B1
N = BP + A, P IS PRESCALER VALUE SET BY P6. B MUST BE GREATER
THAN OR EQUAL TO A. TO ENSURE CONTINUOUSLY ADJACENT VALUES
OF Nx F
B1
0
1
0
1
.
.
.
0
1
0
1
DB8
A4
0
0
0
0
.
.
.
1
1
REF
, N
DB7
A6
MIN
ADF4206/ADF4207/ADF4208
B COUNTER DIVIDE RATIO
NOT ALLOWED
NOT ALLOWED
NOT ALLOWED
3
.
.
.
2044
2045
2046
2047
IS (P
A3
0
0
0
0
.
.
.
1
1
A5
DB6
2
6-BIT A COUNTER
– P).
DB5
A4
A2
0
0
1
1
.
.
.
1
1
DB4
A3
DB3
A2
A1
0
1
0
1
.
.
.
0
1
DB2
A1
A COUNTER
DIVIDE RATIO
0
1
2
3
14
15
C2 (0)
DB1
CONTROL
BITS
C1 (1)
DB0