ADF4208 AD [Analog Devices], ADF4208 Datasheet - Page 15

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

DB21
P16
P16
0
1
DB20 DB19 DB18 DB17 DB16 DB15
P14
P14
0
1
RF1 SECTION
NORMAL OPERATION
POWER-DOWN
B11
B11
0
0
0
0
.
.
.
1
1
1
1
RF1 PRESCALER
64/65
32/33
B10
B9
B10
1
1
1
1
0
0
0
0
.
.
.
B8
B9
1
1
1
1
B7
0
0
0
0
.
.
.
11-BIT B COUNTER
DB14 DB13
B6
Table VI. RF1 AB Counter Latch Map
..........
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..........
..........
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..........
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B5
RF1 AB COUNTER LATCH
DB12 DB11 DB10
B4
B3
1
1
1
1
0
0
0
1
.
.
.
A6
0
0
0
0
.
.
.
1
1
B3
B2
B2
0
0
1
1
0
0
0
0
.
.
.
1
1
A5
0
1
1
0
.
.
.
DB9
B1
N = BP + A, P IS PRESCALER VALUE SET BY P6. B MUST BE GREATER
THAN OR EQUAL TO A. FOR CONTINUOUSLY ADJACENT VALUES OF
N, N
MIN
B1
0
1
0
1
A4
0
0
0
0
.
.
.
1
1
1
0
1
0
.
.
.
DB8
IS (P
2
DB7
– P).
A6
ADF4206/ADF4207/ADF4208
B COUNTER DIVIDE RATIO
2044
2045
2046
2047
A3
0
0
0
0
.
.
.
1
1
1
2
3
3
.
.
.
A5
DB6
6-BIT A COUNTER
DB5
A4
A2
0
0
1
1
.
.
.
1
1
DB4
A3
A1
0
1
0
1
.
.
.
0
1
DB3
A2
DB2
A1
A COUNTER
DIVIDE RATIO
0
1
2
3
62
63
C2 (1)
DB1
CONTROL
BITS
C1 (1)
DB0