CLK
DATA
LE
REF
IN
RF
IN
24-BIT INPUT
REGISTER
AVDDDV
DD
CEAGND DGND
R COUNTER
R COUNTER
LATCH
FUNCTION
LATCH
A, B COUNTER
LATCH
P/P+ 1
N = 4.(BP + A)
A AND B
M3 M2 M1
MUX
SD
OUT
AV
DD
HIGH Z
MUXOUT
CPGND
R
SET
V
P
CP
PHASE
FREQUENCY
DETECTOR
LOCK
DETECT
REFERENCE
CHARGE
PUMP
CURRENT
SETTING 1
ADF41020
CPI3 CPI2 CPI1
CPI6 CPI5 CPI4
CURRENT
SETTING 2
50Ω
3pF
COUNTERS
DIVIDE
BY 4
10304-001
CLK
DB22
DB2
DATA
LE
t
1
LE
DB23 (MSB)
t
2
DB1 (CONTROL
BIT C2)
DB0 (LSB)
(CONTROL BIT C1)
t
3
t
4
t
6
t
5
10304-002
–70
–60
–50
–40
–30
–20
–10
0
10
20
0 5 10 15 20 25
RF
IN
LEVEL (dB)
FREQUENCY (GHz)
8/9 PRESCALAR
16/17 PRESCALAR
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
100 1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (Hz)
10304-006
–12
–10
–8
–6
–4
–2
0
0 100 200 300 400 500 600 700 800 900 1000
SENSITIVITY (dBm)
REFERENCE FREQUENCY (MHz)
+85°C
+25°C
–40°C
10304-007
FREQ MAGS11 ANGS11 FREQ MAGS11 ANGS11
FREQ UNIT: GHz KEYWORD: R
PARAM TYPE: s
DATA FORMAT: MA
0.20099200
0.19669930
0.19140480
0.18317790
0.17232760
0.16071930
0.14943970
0.13791310
0.12839340
0.12090700
0.11516160
0.11252430
0.11213720
0.11236920
0.11323590
0.11401910
0.11361600
0.11225360
0.10909150
0.10484100
0.09871251
0.09258573
0.08667851
0.08075383
0.07542522
0.07048169
0.06751262
0.06561201
0.06308079
0.05995205
0.05666475
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
6.2
6.4
6.6
6.8
7.0
7.2
7.4
7.6
7.8
8.0
8.2
8.4
8.6
8.8
9.0
9.2
9.4
9.6
9.8
10.0
–133.9429000
–134.7069000
–135.0024000
–135.1249000
–135.0415000
–135.1840000
–136.0447000
–137.7694000
–140.5623000
–144.7454000
–149.8260000
–155.1801000
–160.0477000
–164.5794000
–168.1217000
–170.9163000
–173.2882000
–175.2539000
–176.9327000
–179.0774000
178.5525000
175.9697000
172.5878000
168.3692000
163.5676000
159.0954000
154.6976000
149.2087000
142.2284000
137.8226000
134.1730000
0.05542031
0.05306026
0.05123230
0.04471957
0.03846882
0.03402513
0.04456061
0.05158395
0.06039219
0.05580344
0.08402054
0.10374910
0.11639920
0.13647950
0.16700580
0.18309070
0.19458010
0.20377790
0.21170140
0.21883690
0.22280700
0.22498210
0.22589250
0.22572100
0.22596830
0.23197900
0.24339450
0.26023130
0.28636130
0.31905490
10.2
10.4
10.6
10.8
11.0
11.4
11.8
12.2
12.6
13.0
13.4
13.8
14.2
14.6
15.0
15.2
15.4
15.6
15.8
16.0
16.2
16.4
16.6
16.8
17.0
17.2
17.4
17.6
17.8
18.0
130.0581000
126.9556000
115.8988000
102.0333000
86.3895600
51.1515300
21.0829700
16.8124600
16.5178200
31.4631600
36.3540700
18.8428500
0.2817307
–15.4473000
–22.3273100
–24.3333900
–25.3870800
–25.0101800
–24.2554800
–23.4312200
–23.5596400
–24.411100
–26.5202700
–30.3773300
–36.2808700
–42.8398200
–50.7222200
–57.5844600
–63.0764200
–67.5389600
10304-008
02720-017
100kW
NC
REF
IN
NC
NO
SW1
SW2
BUFFER
SW3
TO R COUNTER
POWER-DOWN
CONTROL
50Ω
AGND
RF
IN
AV
DD
3pF
BUFFER
TO DIV BY 4
PRESCALER
10304-010
10304-013
DGND
DV
DD
CONTROL
MUX
ANALOG LOCK DETECT
DIGITAL LOCK DETECT
R COUNTER OUTPUT
N COUNTER OUTPUT
SDOUT
MUXOUT
HI
HI
D1
D2
Q1
Q2
CLR2
CP
U1
U2
UP
DOWN
CPGND
U3
R DIVIDER
FIXED
DELAY
N DIVIDER
V
P
CHARGE
PUMP
CLR1
10304-012
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0) C1 (0)R1R2R3R4R5
R6
R7R8R9R10R11R12R13R1410001
DB21DB22DB23
0 0LOL
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0)
C1 (1)
A1A2A3A4A5B1B2B3B4B5B6B7B8B9B10B11B12B13 A6
DB21DB22DB23
G100
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (1) C1 (0)F1PD1M1M2M3F3P1P2 CPI1CPI2CPI5CPI6 TC4PD2 F2CPI3CPI4
DB21
TC3 TC2 TC1
DB22DB23
F4F5
REFERENCE COUNTER LATCH
RESERVED
14-BIT REFERENCE COUNTER
CONTROL
BITS
RESERVED
13-BIT B COUNTER
6-BIT A COUNTER
CONTROL
BITS
N COUNTER LATCH
CP GAIN
FUNCTION LATCH
PRESCALER
VALUE
POWER-
DOWN 2
CURRENT
SETTING
2
CURRENT
SETTING
1
TIMER COUNTER
CONTROL
FAST LOCK
MODE
FAST LOCK
ENABLE
CP THREE-
STATE
PD
POLARITY
MUXOUT
CONTROL
POWER-
DOWN 1
COUNTER
RESET
CONTROL
BITS
LOSS OF
LOCK
10304-014
R14 R13 R12 .......... R3 R2 R1
0 0 0 .......... 0 0 1 1
0
0 0 .......... 0 1 0 2
0 0 0 .......... 0 1 1 3
0 0 0 .......... 1 0 0 4
. . . .......... . . . .
. . . .......... . . . .
. . . .......... . . . .
1 1 1 .......... 1 0 0 16380
1 1 1 .......... 1 0 1 16381
1 1 1 .......... 1 1 0 16382
1 1 1 .......... 1 1 1 16383
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0) C1 (0)R1R2R3R4R5R6R7R8R9R10R11R12R13R1410001
DB21DB22DB23
0 0LOL
RESERVED 14-BIT REFERENCE COUNTER
CONTROL
BITS
DIVIDE RATIO
0 LOSS OF LOCK ENABLE
1 LOSS OF LOCK DISABLE
LOSS OF LOCK
LOL
LOSS OF
LOCK
10304-015
DB20
DB19
DB18 DB17
DB16 DB15 DB14
DB13 DB12 DB11
DB10 DB9
DB8 DB7
DB6 DB5
DB4 DB3
DB2 DB1
DB0
C2 (0) C1 (1)A1A2A3A4A5B1B2B3B4B5B6B7B8B9B10B11B12B13 A6
DB21
DB22DB23
G1
0 0
0
1
1
0
F4 (FUNCTION LATCH)
FASTLOCK ENABLE
1 1
A6 A5 .......... A2 A1
0 0 .......... 0 0 0
0 0 .......... 0 1 1
0 0 .......... 1 0 2
0 0 .......... 1 1 3
. . .......... . . .
. . .......... . . .
. . .......... . . .
1 1 .......... 0 0 60
1 1 .......... 0 1 61
1 1 .......... 1 0 62
1 1 .......... 1 1 63
0 0
B13 B12 B11 B3 B2 B1
0 0 0 .......... 0 0 0
0 0 0 .......... 0 0 1
0 0 0 .......... 0 1 0
0 0 0 .......... 0 1 1
3
. . . .......... . . .
.
. . . .......... . . .
.
. . . .......... . . .
.
1 1 1 .......... 1 0 0
8188
1 1 1 .......... 1 0 1
8189
1 1 1 .......... 1 1 0
8190
1 1 1 .......... 1 1 1
8191
RESERVED
13-BIT B COUNTER
6-BIT A COUNTER
CONTROL
BITS
CP GAIN
A COUNTER
DIVIDE RATIO
B COUNTER DIVIDE RATIO
NOT ALLOWED
NOT ALLOWED
2
OPERATIONCP GAIN
CHARGE PUMP CURRENT
SETTING 1 IS PERMANENTLY USED.
CHARGE PUMP CURRENT
SETTING 2 IS PERMANENTLY USED.
CHARGE PUMP CURRENT
SETTING 1 IS USED.
CHARGE PUMP CURRENT IS
SWITCHED TO SETTING 2. THE
TIME SPENT IN SETTING 2 IS
DEPENDENT ON WHICH FAST LOCK
MODE IS USED. SEE FUNCTION
LATCH DESCRIPTION.
N = 4(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 × FREF), AT THE
OUTPUT, NMIN IS 4(P2 – P).
BOTH OF THESE BITS
MUST BE SET TO 0 FOR
NORMAL OPERATION.
10304-016
P2 P1
0 0 8/9
0 1 16/17
1 0 32/33
1 1 64/65
PD2 PD1 MODE
0
0
X
1
0 0
1 0 1
CPI6 CPI5 CPI4
CPI3 CPI2 CPI1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
TC4 TC3 TC2 TC1
0 0 0 0 3
0 0 0 1 7
0 0 1 0 11
0 0 1 1 15
0 1 0 0 19
0 1 0 1 23
0 1 1 0 27
0 1 1 1 31
1 0 0 0 35
1 0 0 1 39
1 0 1 0 43
1 0 1 1 47
1 1 0 0 51
1 1 0 1 55
1 1 1 0 59
1 1 1 1 63
F4
0
1
1
M3 M2 M1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
F3
0
1
F2
0
1
F1
0
1
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (1) C1 (0)
F1
PD1
M1
M2M3F3P1P2 CPI1CPI2CPI5
CPI6
TC4PD2 F2CPI3CPI4
DB21
TC3 TC2 TC1
DB22DB23
F4
F5
F5
X
0
1
NEGATIVE
POSITIVE
PRESCALER
VALUE
POWER-
DOWN 2
CURRENT
SETTING
2
CURRENT
SETTING
1
TIMER COUNTER
CONTROL
FAST LOCK
MODE
FAST LOCK
ENABLE
CP THREE-
STATE
MUXOUT
CONTROL
POWER-
DOWN 1
COUNTER
RESET
CONTROL
BITS
PHASE DETECTOR
POLARITY
COUNTER
OPERATION
NORMAL
R, A, B COUNTERS
HELD IN RESET
CHARGE PUMP
OUTPUT
NORMAL
THREE-STATE
FAST LOCK DISABLED
FAST LOCK MODE 1
FAST LOCK MODE 2
FAST LOCK MODE
THREE-STATE OUTPUT
DIGITAL LOCK DETECT
(ACTIVE HIGH)
N DIVIDER OUTPUT
DV
DD
R DIVIDER OUTPUT
N-CHANNEL OPEN-DRAIN
LOCK DETECT
SERIAL DATA OUTPUT
DGND
OUTPUT
TIMEOUT
(PFD CYCLES)
ICP (mA)
ASYNCHRONOUS POWER-DOWN
NORMAL OPERATION
SOFTWARE POWER-DOWN
CE PIN
PRESCALER VALUE
PD
POLARITY
5.1kΩ 11kΩ
0.625 0.289
1.25 0.580
1.875 0.870
2.5 1.160
3.125 1.450
3.75 1.730
4.375 2.020
5.0 2.320
10304-017
CLK
DATA
LE
CE
MUXOUT
(LOCK DETECT)
MOSI
ADF41020
SCLOCK
I/O PORTS
ADuC7020
10304-018
CLK
DATA
LE
CE
MUXOUT
(LOCK DETECT)
MOSI
ADF41020
SCK
I/O FLAGS
ADSP-BF527
GPIO
10304-019
0.50
BSC
0.65
0.60
0.55
0.30
0.25
0.18
COMPLIANT TOJEDEC STANDARDS MO-220-WGGD-1.
BOTTOMVIEWTOP VIEW
EXPOSED
PAD
P
I
N
1
I
N
D
I
C
A
T
O
R
4.10
4.00 SQ
3.90
SEATING
PLANE
0.80
0.75
0.70
0.05 MAX
0.02 NOM
0.20 REF
0.20 MIN
COPLANARITY
0.08
PIN 1
INDICATOR
2.30
2.10 SQ
2.00
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
1
20
6
10
11
15
16
5
08-16-2010-B
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