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參數(shù)資料
| 型號(hào)： | ADF5002BCPZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PRESCALER 18GHZ 16LFCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 預(yù)定標(biāo)器 |
| PLL： | 無 |
| 輸入： | 時(shí)鐘 |
| 輸出： | 時(shí)鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 18GHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 16-LFCSP-WQ（3x3） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | ADF5002BCPZ-RL7DKR |
ADF5002
Rev. 0 | Page 8 of 12
ADF5002
PRESCALER
VDD1
RFOUT
VDD2
ADF4156
PLL
RFINA
10pF
0.1F
CP
220
330
1.8nF
47nF
1k
RFIN
APPLICATION CIRCUIT
The ADF5002 can be connected either single-ended or differ-
entially to any of the Analog Devices PLL family of ICs. It is
recommended that a differential connection be used for best
performance and to achieve maximum power transfer. The
application circuit shown in Figure 10 shows the ADF5002
used as the RF prescaler in a microwave 16 GHz PLL loop. The
ADF5002 divides the 16 GHz RF signal down to 2 GHz, which
is input differentially into the ADF4156 PLL. An active filter
topology, using the OP184 op amp, is used to provide the wide
tuning ranges typically required by microwave VCOs.
charge pump supply (VP). This can be easily achieved using a
simple resistor divider, ensuring sufficient decoupling close to
the +IN A pin of the OP184. This configuration, in turn, allows
the use of a single positive supply for the op amp. Alternatively,
to optimize performance by ensuring a clean bias voltage, a low
noise regulator such as the ADP150 can be used to power the
resistor divider network or the +IN A pin directly.
RFOUT
RFINB
GND
820pF
1.8nF
MICROWAVE
VCO
RFOUT
VTUNE
37
150
1F
VP/2
18
6dB ATTENUATION PAD
18
16GHz OUT
DECOUPLING
INTEGRATED
OP184
OP AMP
0
87
53
-01
0
Figure 10. ADF5002 Used as the RF Prescaler in a Microwave 16 GHz PLL Loop
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