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ADRF6820ACPZ-R7 데이터시트(PDF) 18 Page - Analog Devices

부품명 ADRF6820ACPZ-R7
상세설명  Internal LO frequency range
PDF  45 Pages
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ADRF6820ACPZ-R7 데이터시트(HTML) 18 Page - Analog Devices

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ADRF6820
Data Sheet
Rev. C | Page 18 of 45
APPLICATIONS INFORMATION
BASIC CONNECTIONS
÷8
LOCK_DET
VPTAT
SCAN
+
PFD
CHARGE
PUMP
CP
÷2
FRAC
MOD
REFIN
MUXOUT
LOIN–
LOIN+
CP
LDO
VCO
SERIAL PORT
INTERFACE
VOCM
VPOS_3P3
VPOS_5V
VTUNE
÷1, ÷2,
÷4
DIV 2
PHASE
SPLITTER
0°
90°
÷1, ÷2
POLYPHASE
FILTER
1
3
6
4
49.9Ω
(0402)
VPOS_3P3
TC1-1-43A+
I–
I+
TC4-1W+
3
1
2
6
4
Q–
Q+
TC4-1W+
3
1
2
6
4
DC/PHASE
CORRECTION
DC/PHASE
CORRECTION
0Ω
(0402)
0Ω
(0402)
100pF
(0402)
100pF
(0402)
LOOUT+
LOOUT–
1
3
6
4
100pF
(0402)
100pF
(0402)
100pF
(0402)
49.9Ω
(0402)
5.1kΩ
(0402)
10kΩ
(0402)
10kΩ
(0402)
22pF
(0402)
6.8pF
(0402)
2.7nF
(0402)
3kΩ
(0402)
22pF
(0402)
N = INT +
LDO
2.5V
MIXER BUFFER
3.3/5.0V
100pF
(0402)
10µF
(0805)
100pF
(0402)
0.1µF
(0805)
100pF
(0402)
0.1µF
(0402)
100pF
(0402)
0.1µF
(0402)
100pF
(0402)
0.1µF
(0402)
100pF
(0402)
10µF
(0805)
100pF
(0402)
10µF
(0805)
100pF
(0402)
10µF
(0805)
100pF
(0402)
10µF
(0805)
0.22µF
(0402)
100pF
(0402)
0.1µF
(0402)
4
2
3
8
9
23 25 26 28 38
5
7
6
34
35
32
37
12
21
11
19
30
36
31
27
33
40
10
1
VPOS_3P3
PWR_DWN
ENABLE
24
VPOS_3P3
RFIN0
RFIN1
20
15
14
13
RFIN0
RFIN1
1000pF
(0402)
1000pF
(0402)
29
22
17
18
39
16
÷4
÷2
×1
×2
Figure 33. Basic Connections
Table 14.
Pin No.
Mnemonic
Description
Basic Connection
5 V Power
11
VPOS_5V
Mixer power supply
Decouple this power supply pin via a 100 pF and a
0.1 µF capacitor to ground. Ensure that the decoupling
capacitors are located close to the pin.
21
VPOS_5V
RF front-end power supply
Decouple this power supply pin via a 100 pF and a 10 µF
(0805) capacitor to ground. Ensure that the decoupling
capacitors are located close to the pin.
3.3 V Power
The voltage on any and all pins connected to VPOS_3P3
must never exceed the voltage on any and all pins
connected to VPOS_5V.
1
VPOS_3P3
Digital power supply
Decouple this pin via a 100 pF and a 0.1 µF capacitor to
ground.
19
VPOS_3P3
LO power supply
Decouple this pin via a 100 pF and a 0.1 µF capacitor to
ground.
30
VPOS_3P3
LO power supply
Decouple this pin via a 100 pF and a 0.1 µF capacitor to
ground.
31
VPOS_3P3
VCO power supply
Decouple this pin via a 100 pF and a 10 µF capacitor to
ground.
36
VPOS_3P3
PLL power supply
Decouple this pin via a 100 pF and a 0.1 µF capacitor to
ground.



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