參數(shù)資料
型號: ADF4218BRU
廠商: ANALOG DEVICES INC
元件分類: XO, clock
英文描述: Dual RF PLL Frequency Synthesizers
中文描述: PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20
封裝: TSSOP-20
文件頁數(shù): 16/20頁
文件大?。?/td> 227K
代理商: ADF4218BRU
REV. 0
ADF4216/ADF4217/ADF4218
–16–
Table VI. RF AB Counter Latch Map
CONTROL
BITS
6-BIT A COUNTER
11-BIT B COUNTER
R
P
B11
B10
B9
B3
B2
B1
B COUNTER DIVIDE RATIO
0
0
0
0
.
.
.
1
1
1
1
0
0
0
0
.
.
.
1
1
1
1
0
0
0
0
.
.
.
1
1
1
1
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
0
0
0
0
.
.
.
1
1
1
1
0
0
1
1
.
.
.
0
0
1
1
0
1
0
1
.
.
.
0
1
0
1
NOT ALLOWED
NOT ALLOWED
NOT ALLOWED
3
.
.
.
2044
2045
2046
2047
A COUNTER
DIVIDE RATIO
0
1
2
3
A6
X
X
X
X
.
.
.
X
X
A5
X
X
X
X
.
.
.
X
X
A4
0
0
0
0
.
.
.
1
1
A3
0
0
0
0
.
.
.
1
1
A2
0
0
1
1
.
.
.
1
1
A1
0
1
0
1
.
.
.
0
1
14
15
N = BP + A, P IS PRESCALER VALUE SET BY P6. B MUST BE
GREATER THAN OR EQUAL TO A. FOR ENSURE CONTINUOUSLY
ADJACENT VALUES OF N, N
MIN
IS (P
2
P).
R
P14
0
1
RF PRESCALER
64/65
32/33
P16
RF SECTION
0
1
NORMAL OPERATION
POWER-DOWN
DB21
DB20
DB19
DB18
DB17
DB16
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
P16
P14
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
A6
A5
A4
A3
A2
A1
C2 (1)
C1 (1)
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