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AD8361ARM

更新时间： 2024-01-25 10:43:26
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 307K
描述
LF to 2.5 GHz TruPwr⑩ Detector

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AD8361ARM 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：MO-178-AB, SOT-23, 6 PIN针数：6
Reach Compliance Code：not_compliantECCN代码：5A991.B
HTS代码：8542.39.00.01风险等级：5.08
Is Samacsys：N模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G6JESD-609代码：e3
长度：2.9 mm功能数量：1
端子数量：6最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.45 mm
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：BIPOLAR温度等级：INDUSTRIAL
端子面层：MATTE TIN端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：1.6 mm
Base Number Matches：1

AD8361ARM 数据手册

 浏览型号AD8361ARM的Datasheet PDF文件第7页浏览型号AD8361ARM的Datasheet PDF文件第8页浏览型号AD8361ARM的Datasheet PDF文件第9页浏览型号AD8361ARM的Datasheet PDF文件第11页浏览型号AD8361ARM的Datasheet PDF文件第12页浏览型号AD8361ARM的Datasheet PDF文件第13页 
AD8361  
With the 100 pF capacitor shown in Figures 32–34, the high-  
pass corner frequency is about 8 MHz.  
the output headroom decreases. The response for lower supply  
voltages is similar (in the supply referenced mode, the offset is  
smaller), but the dynamic range will be reduced further, as head-  
room decreases. Figure 36 shows the response of the AD8361 to  
a CW input for various supply voltages.  
+V 2.7 – 5.5V  
S
100pF  
5.0  
0.01␮F  
SUPPLY REF  
AD8361  
4.5  
1
2
3
4
SREF  
8
7
6
5
VPOS  
V rms  
4.0  
INTERNAL REF  
C
IREF  
VRMS  
FLTR  
C
100pF  
3.5  
RFIN  
RFIN  
GROUND REF  
3.0  
R1  
75⍀  
CFLTR  
COMM  
PWDN  
2.5  
2.0  
Figure 32. Basic Connections for Ground Referenced Mode  
1.5  
1.0  
0.5  
0.0  
+V 2.7 – 5.5V  
S
100pF  
0
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0.8  
0.01␮F  
AD8361  
INPUT – V rms  
1
2
3
4
SREF  
VRMS  
FLTR  
8
7
6
5
VPOS  
Figure 35. Output Swing for Ground, Internal and Supply  
Referenced Mode. VPOS = 5 V (micro_SOIC Only)  
V rms  
IREF  
C
C
RFIN  
RFIN  
R1  
75⍀  
5.5  
CFLTR  
100pF  
5.5V  
COMM  
PWDN  
5.0  
4.5  
5.0V  
Figure 33. Basic Connections for Internal Reference Mode  
4.0  
3.0V  
3.5  
+V 2.7 – 5.5V  
S
3.0  
2.5  
100pF  
2.0  
2.7V  
0.01␮F  
AD8361  
1.5  
1.0  
1
2
3
4
SREF  
VRMS  
FLTR  
8
7
6
5
VPOS  
V rms  
IREF  
0.5  
0.0  
C
C
RFIN  
RFIN  
R1  
75⍀  
0
0.1  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0.8  
CFLTR  
100pF  
COMM  
PWDN  
INPUT – V rms  
Figure 36. Output Swing for Supply Voltages of 2.7 V,  
3.0 V, 5.0 V and 5.5 V (micro_SOIC Only)  
Figure 34. Basic Connections for Supply Referenced Mode  
Dynamic Range  
The output voltage is nominally 7.5 times the input rms voltage  
(a conversion gain of 7.5 V/V rms). Three different modes of  
operation are set by the pins SREF and IREF. In addition to the  
ground referenced mode shown in Figure 32, where the output  
voltage swings from around near ground to 4.9 V on a 5.0 V  
supply, two additional modes allow an offset voltage to be added to  
the output. In the internal reference mode, (Figure 33), the  
output voltage swing is shifted upward by an internal reference  
voltage of 350 mV. In supply referenced mode (Figure 34), an  
offset voltage of VS/7.5 is added to the output voltage. Table I  
summarizes the connections, output transfer function and mini-  
mum output voltage (i.e., zero signal) for each mode.  
Because the AD8361 is a linear responding device with a nomi-  
nal transfer function of 7.5 V/V rms, the dynamic range in dB is  
not clear from plots such as Figure 35. As the input level is  
increased in constant dB steps, the output step size (per dB)  
will also increase. Figure 37 shows the relationship between the  
output step size (i.e., mV/dB) and input voltage for a nominal  
transfer function of 7.5 V/V rms.  
Table I. Connections and Nominal Transfer Function for  
Ground, Internal, and Supply Reference Modes  
Output  
Intercept  
(No Signal)  
Output Swing  
Reference  
Mode  
Figure 35 shows the output swing of the AD8361 for a 5 V supply  
voltage for each of the three modes. It is clear from Figure 35,  
that operating the device in either internal reference mode or  
supply referenced mode, will reduce the effective dynamic range as  
IREF  
SREF  
Output  
Ground  
Internal  
Supply  
VPOS  
OPEN COMM  
VPOS VPOS  
COMM  
Zero  
0.350 V  
VS/7.5  
7.5 VIN  
7.5 VIN + 0.350 V  
7.5 VIN + VS/7.5  
REV. A  
–10–  
1...78910111213...16

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