ADF4150 AD [Analog Devices], ADF4150 Datasheet - Page 14

• Manufacturer Part Number: ADF4150
• Description: Fractional-N/Integer-N PLL Synthesizer
• Manufacturer: AD [Analog Devices]

ADF4150
DB31 DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4
DB31 DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4
0
0
RESERVED
N16
0
N15
0
P1
0
1
N14
0
PRESCALER
4/5
8/9
PR1
N13
N16
N12
P12
0
0
0
0
0
0
1
1
1
.
.
16-BIT INTEGER VALUE (INT)
N15
N11
P11
0
0
0
0
0
0
1
1
1
.
.
P12
0
0
0
0
.
.
.
1
1
1
1
N10
...
...
...
...
...
...
...
...
...
...
...
...
P10
P11
0
0
0
0
.
.
.
1
1
1
1
N5
12-BIT PHASE VALUE (PHASE)
0
0
0
1
1
1
1
1
1
N9
.
.
P9
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
N4
0
0
0
0
0
1
1
1
1
N8
.
.
P8
N3
0
0
0
1
1
0
1
1
1
N7
.
.
P7
P2
0
0
1
1
.
.
.
0
0
1
1
N2
0
0
1
N6
1
1
0
0
1
1
.
.
P6
P1
0
1
0
1
.
.
.
0
1
0
1
INTmin = 75 with prescaler = 8/9
N1
0
1
0
0
1
0
1
0
1
N5
.
.
P5
PHASE VALUE (PHASE)
0
1 (RECOMMENDED)
2
3
.
.
.
4092
4093
4094
4095
N4
P4
INTEGER VALUE (INT)
NOT ALLOWED
NOT ALLOWED
NOT ALLOWED
...
NOT ALLOWED
23
24
...
65533
65534
65535
Figure 20. Register 0 (R0)
DBR
Figure 21. Register 1 (R1)
Rev. 0 | Page 14 of 28
N3
P3
N2
P2
N1
P1
M12
F12
M12
0
0
.
.
.
1
1
1
1
M11
F11
F12
0
0
0
0
.
.
.
1
1
1
1
M10
F10
M11
0
0
1
1
1
1
.
.
.
12-BIT FRACTIONAL VALUE (FRAC)
12-BIT MODULUS VALUE (MOD)
F11
0
0
0
0
.
.
.
1
1
1
1
M9
F9
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
.........
M8
F8
M2
M7
1
1
0
0
1
1
F7
.
.
.
F2
0
0
1
1
.
.
.
0
0
1
1
M6
F6
M1
0
1
0
1
0
1
F1
0
1
0
1
.
.
.
0
1
0
1
.
.
.
M5
F5
INTERPOLATOR MODULUS (MOD)
2
3
.
.
.
4092
4093
4094
4095
FRACTIONAL VALUE (FRAC)
0
1
2
3
.
.
.
4092
4093
4094
4095
M4
F4
DBR
M3
F3
M2
F2
DB3
DB3
M1
F1
C3(0) C2(0) C1(0)
C3(0) C2(0) C1(1)
DB2
DB2
CONTROL
CONTROL
BITS
BITS
DB1
DB1
DB0
DB0