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AD8056ARZ-REEL

更新时间： 2024-01-15 08:30:59
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器放大器电路光电二极管
页数 文件大小 规格书
16页 302K
描述
Low Cost, 300 MHz Voltage Feedback Amplifiers

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AD8056ARZ-REEL 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：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：1.6
放大器类型：OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB)：1.2 µA
标称共模抑制比：82 dB最大输入失调电压：10000 µV
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：1
标称负供电电压 (Vsup)：-5 V功能数量：2
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
标称压摆率：840 V/us子类别：Operational Amplifier
供电电压上限：13.2 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.9 mm
Base Number Matches：1

AD8056ARZ-REEL 数据手册

 浏览型号AD8056ARZ-REEL的Datasheet PDF文件第10页浏览型号AD8056ARZ-REEL的Datasheet PDF文件第11页浏览型号AD8056ARZ-REEL的Datasheet PDF文件第12页浏览型号AD8056ARZ-REEL的Datasheet PDF文件第14页浏览型号AD8056ARZ-REEL的Datasheet PDF文件第15页浏览型号AD8056ARZ-REEL的Datasheet PDF文件第16页 
AD8055/AD8056  
5
4
POWER DISSIPATION LIMITS  
402Ω  
402Ω  
With a 10 V supply (total VCC − VEE), the quiescent power  
dissipation of the AD8055 in the SOT-23-5 package is 65 mW,  
while the quiescent power dissipation of the AD8056 in the  
MSOP-8 is 120 mW. This translates into a 15.6°C rise above the  
ambient for the SOT-23-5 package and a 24°C rise for the  
MSOP-8 package.  
3
C
= 30pF  
L
C
100Ω  
V
= 0dBm  
L
IN  
2
50Ω  
1
0
C
L
= 20pF  
= 10pF  
–1  
–2  
–3  
–4  
–5  
C
L
The power dissipated under heavy load conditions is  
approximately equal to the supply voltage minus the output  
voltage, times the load current, plus the quiescent power  
previously computed. The total power dissipation is then  
multiplied by the thermal resistance of the package to find the  
temperature rise, above ambient, of the part. The junction  
temperature should be kept below 150°C.  
C
= 0pF  
L
0.3  
1
10  
FREQUENCY (MHz)  
100  
500  
Figure 39. Capacitive Load Drive  
In general, to minimize peaking or to ensure the stability for  
larger values of capacitive loads, a small series resistor, RS, can  
be added between the op amp output and the capacitor, CL. For  
the setup depicted in Figure 40, the relationship between RS and  
CL was empirically derived and is shown in Figure 41. RS was  
chosen to produce less than 1 dB of peaking in the frequency  
response. Note also that after a sharp rise, RS quickly settles to  
approximately 25 ꢀ.  
The AD8055 in the SOT-23-5 package can dissipate 270 mW,  
while the AD8056 in the MSOP-8 package can dissipate  
325 mW (at 85°C ambient) without exceeding the maximum  
die temperature. In the case of the AD8056, this is greater than  
1.5 V rms into 50 ꢀ, enough to accommodate a 4 V p-p sine  
wave signal on both outputs simultaneously. However, because  
each output of the AD8055 or AD8056 is capable of supplying  
as much as 110 mA into a short circuit, a continuous short-  
circuit condition will exceed the maximum safe junction  
temperature.  
402Ω  
+5V  
0.1µF  
6
10µF  
RESISTOR SELECTION  
402Ω  
7
2
3
FET PROBE  
Table 3 is a guide for resistor selection for maintaining gain  
flatness vs. frequency for various values of gain.  
R
S
V
AD8055  
OUT  
C
L
4
V
= 0dBm  
IN  
Table 3.  
Gain  
+1  
+2  
+5  
+10  
50Ω  
0.1µF  
10µF  
RF (Ω)  
0
402  
1 k  
RG (Ω)  
−3 dB Bandwidth (MHz)  
–5V  
300  
160  
45  
Figure 40. Setup for RS vs. CL  
402  
249  
100  
40  
35  
30  
25  
20  
15  
10  
5
909  
20  
DRIVING CAPACITIVE LOADS  
When driving a capacitive load, most op amps exhibit peaking  
in the frequency response just before the frequency rolls off.  
Figure 39 shows the responses for an AD8056 running at a gain  
of +2, with an 100 ꢀ load that is shunted by various values of  
capacitance. It can be seen that under these conditions the part  
is still stable with capacitive loads of up to 30 pF.  
0
0
10  
20  
30  
40  
(pF)  
50  
60  
270  
C
L
Figure 41. RS vs. CL  
Rev. J | Page 13 of 16  
 
 
 
 
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