参数资料
型号: ADF4208BRUZ-RL
厂商: Analog Devices Inc
文件页数: 9/24页
文件大小: 0K
描述: IC PLL FREQ SYNTHESIZER 20TSSOP
标准包装: 2,500
类型: 时钟/频率合成器,RF
PLL:
输入: CMOS,TTL
输出: 时钟
电路数: 1
比率 - 输入:输出: 3:1
差分 - 输入:输出: 是/无
频率 - 最大: 2GHz
除法器/乘法器: 无/无
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
ADF4206/ADF4208
Rev. A | Page 17 of 24
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
DB21
C2 (1)
C1 (1)
A1
A2
A3
A4
A5
A6
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
P14
P16
CONTROL
BITS
11-BIT B COUNTER
RF
1
P
O
W
E
R
-
DO
WN
RF1
PR
ESC
A
L
E
R
6-BIT A COUNTER
A COUNTER
A6
A5
A4
A3
A2
A1
DIVIDE RATIO
000000
0
000001
1
000010
2
000011
3
.....
.
.....
.
.....
.
111110
62
111111
63
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, NMIN IS (P2 – P).
P16
RF1 SECTION
0NORMAL OPERATION
1
POWER-DOWN
P14
RF1 PRESCALER
0
64/65
1
32/33
RF1 AB COUNTER LATCH
01
03
6-
0
34
O
I
T
A
R
E
D
I
V
I
D
R
E
T
N
U
O
C
B
1
B
2
B
3
B
9
B
0
1
B
1
B
0
..........
0
NOT ALLOWED
0
..........
0
1
NOT ALLOWED
0
..........
0
1
0
2
0
..........
0
1
3
.
..........
.
..........
.
..........
.
1
..........
1
0
2044
1
..........
1
0
1
2045
1
..........
1
0
2046
1
..........
1
2047
Figure 31. RF1 AB Counter Latch Map
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