ADF4106 Analog Devices, ADF4106 Datasheet - Page 12

• Manufacturer Part Number: ADF4106
• Description: PLL Frequency Synthesizer
• Manufacturer: Analog Devices

ADF4106
DB23
THESE BITS ARE NOT USED
BY THE DEVICE AND ARE
DON'T CARE BITS.
RESERVED
X
DB22
X
DB21
F4 (FUNCTION LATCH)
FASTLOCK ENABLE
0
0
1
1
G1
X = DON’T CARE
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12
B13
B13
0
0
0
0
.
.
.
1
1
1
1
B12
B12
0
0
0
0
.
.
.
1
1
1
1
CP GAIN
0
1
1
2
0
1
1
B11
B11
0
0
0
0
.
.
.
1
1
1
1
B10
OPERATION
IS PERMANENTLY USED
IS PERMANENTLY USED
IS USED
SWITCHED TO SETTING 2. THE
TIME SPENT IN SETTING 2 IS
DEPENDENT ON WHICH FASTLOCK
CHARGE PUMP CURRENT SETTING
CHARGE PUMP CURRENT SETTING
CHARGE PUMP CURRENT SETTING
CHARGE PUMP CURRENT IS
MODE IS USED. SEE FUNCTION
LATCH DESCRIPTION
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
B9
13-BIT B COUNTER
B8
B3
0
0
0
1
.
.
.
1
1
1
1
Table IV. AB Counter Latch Map
B7
B2
0
0
1
1
.
.
.
0
0
1
1
B6
B1
0
1
0
1
.
.
.
0
1
0
1
B5
DB11 DB10
B4
B COUNTER DIVIDE RATIO
NOT ALLOWED
NOT ALLOWED
NOT ALLOWED
3
.
.
.
8188
8189
8190
8191
B3
N = BP + A, P IS PRESCALER VALUE SET IN THE FUNCTION LATCH.
B MUST BE GREATER THAN OR EQUAL TO A. FOR CONTINUOUSLY
ADJACENT VALUES OF (N
DB9
B2
A6
0
0
0
0
.
.
.
1
1
1
1
DB8
B1
A5
0
0
0
0
.
.
.
1
1
1
1
DB7
A6
DB6
A5
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
F
REF
6-BIT A COUNTER
), AT THE OUTPUT, N
DB5
A4
A2
0
0
1
1
.
.
.
0
0
1
1
DB4
A3
DB3
A2
A1
0
1
0
1
.
.
.
0
1
0
1
MIN
IS (P
DB2
A1
2
A COUNTER
DIVIDE RATIO
0
1
2
3
.
.
.
60
61
62
63
- P)
C2 (0) C1 (1)
DB1
CONTROL
BITS
DB0