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ADF4110BCPZ-RL7 PDF预览

ADF4110BCPZ-RL7

更新时间： 2024-01-22 20:22:07
品牌 Logo 应用领域
亚德诺 - ADI 信号电路锁相环或频率合成电路射频信息通信管理
页数 文件大小 规格书
28页 428K
描述
RF PLL Frequency Synthesizers

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ADF4110BCPZ-RL7 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：VQCCN, LCC20,.16SQ,20针数：20
Reach Compliance Code：compliantECCN代码：5A991.B
HTS代码：8542.39.00.01风险等级：1.23
其他特性：6-BIT SWALLOW COUNTER模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZER
JESD-30 代码：S-CQCC-N20JESD-609代码：e3
长度：4 mm湿度敏感等级：3
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：VQCCN
封装等效代码：LCC20,.16SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：3/5 V认证状态：Not Qualified
座面最大高度：1 mm子类别：PLL or Frequency Synthesis Circuits
最大供电电流 (Isup)：5.5 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：40
宽度：4 mmBase Number Matches：1

ADF4110BCPZ-RL7 数据手册

 浏览型号ADF4110BCPZ-RL7的Datasheet PDF文件第20页浏览型号ADF4110BCPZ-RL7的Datasheet PDF文件第21页浏览型号ADF4110BCPZ-RL7的Datasheet PDF文件第22页浏览型号ADF4110BCPZ-RL7的Datasheet PDF文件第24页浏览型号ADF4110BCPZ-RL7的Datasheet PDF文件第25页浏览型号ADF4110BCPZ-RL7的Datasheet PDF文件第26页 
Data Sheet  
ADF4110/ADF4111/ADF4112/ADF4113  
RF  
OUT  
100pF  
18Ω  
18Ω  
VCO  
100pF  
18Ω  
LOOP  
FILTER  
2
CP  
FREF  
IN  
8
REF  
IN  
INPUT OUTPUT  
ADF4111  
ADF4112  
ADF4113  
GND  
CE  
CLK  
DATA  
LE  
LOCK  
DETECT  
14  
MUXOUT  
1
R
SET  
100pF  
6
5
RF  
RF  
A
B
IN  
2.7kΩ  
51Ω  
IN  
100pF  
AD5320  
12-BIT  
V-OUT DAC  
POWER SUPPLY CONNECTIONS AND DECOUPLING  
CAPACITORS ARE OMITTED FOR CLARITY.  
SPI COMPATIBLE SERIAL BUS  
Figure 34. Driving the RSET Pin with a D/A Converter  
a tuning range as wide as an octave. For example, cable TV  
tuners have a total range of about 400 MHz. Figure 36 shows an  
application where the ADF4113 is used to control and program  
the Micronetics M3500-2235. The loop filter was designed for  
an RF output of 2900 MHz, a loop bandwidth of 40 kHz, a PFD  
frequency of 1 MHz, ICP of 10 mA (2.5 mA synthesizer ICP  
multiplied by the gain factor of 4), VCO KD of 90 MHz/V  
(sensitivity of the M3500-2235 at an output of 2900 MHz), and  
a phase margin of 45°C.  
USING A D/A CONVERTER TO DRIVE THE RSET PIN  
A D/A converter can be used to drive the RSET pin of the  
ADF4110 family, thus increasing the level of control over the  
charge pump current, ICP. This can be advantageous in wide-  
band applications where the sensitivity of the VCO varies over  
the tuning range. To compensate for this, the ICP may be varied  
to maintain good phase margin and ensure loop stability. See  
Figure 34.  
SHUTDOWN CIRCUIT  
In narrow-band applications, there is generally a small variation  
in output frequency (generally less than 10%) and a small  
variation in VCO sensitivity over the range (typically 10% to  
15%). However, in wideband applications, both of these  
parameters have a much greater variation. In Figure 36, for  
example, there is a −25% and +17% variation in the RF output  
from the nominal 2.9 GHz. The sensitivity of the VCO can vary  
from 120 MHz/V at 2750 MHz to 75 MHz/V at 3400 MHz  
(+33%, −17%). Variations in these parameters change the loop  
bandwidth. This in turn can affect stability and lock time. By  
changing the programmable ICP, it is possible to get compensa-  
tion for these varying loop conditions and ensure that the loop  
is always operating close to optimal conditions.  
The attached circuit in Figure 35 shows how to shut down both  
the ADF4110 family and the accompanying VCO. The ADG701  
switch goes closed circuit when a Logic 1 is applied to the IN  
input. The low cost switch is available in both SOT-23 and  
MSOP packages.  
WIDEBAND PLL  
Many of the wireless applications for synthesizers and VCOs in  
PLLs are narrow band in nature. These applications include the  
various wireless standards like GSM, DSC1800, CDMA, and  
WCDMA. In each of these cases, the total tuning range for the  
local oscillator is less than 100 MHz. However, there are also  
wideband applications for which the local oscillator could have  
Rev. F | Page 23 of 28  
 
 
 
 
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