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AD8014 PDF预览

AD8014

更新时间: 2024-01-26 09:29:34
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
10页 152K
描述
400 MHz Low Power High Performance Amplifier

AD8014 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:ROHS COMPLIANT, MS-012AA, SOIC-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.12
Is Samacsys:N放大器类型:OPERATIONAL AMPLIFIER
架构:CURRENT-FEEDBACK最大平均偏置电流 (IIB):15 µA
25C 时的最大偏置电流 (IIB):15 µA标称共模抑制比:57 dB
频率补偿:YES最大输入失调电压:6000 µV
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm低-偏置:NO
低-失调:NO微功率:NO
湿度敏感等级:1负供电电压上限:-6.3 V
标称负供电电压 (Vsup):-5 V功能数量:1
端子数量:8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:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
功率:NO电源:5/+-5 V
可编程功率:NO认证状态:Not Qualified
座面最大高度:1.75 mm标称压摆率:4600 V/us
子类别:Operational Amplifier最大压摆率:1.3 mA
供电电压上限:6.3 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL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
宽带:YES宽度:3.9 mm
Base Number Matches:1

AD8014 数据手册

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AD8014  
Video Drivers  
DRIVING CAPACITIVE LOADS  
The AD8014 easily drives series terminated cables with video  
signals. Because the AD8014 has such good output drive you  
can parallel two or three cables driven from the same AD8014.  
Figure 23 shows the differential gain and phase driving one  
video cable. Figure 24 shows the differential gain and phase  
driving two video cables. Figure 25 shows the differential gain  
and phase driving three video cables.  
The AD8014 was designed primarily to drive nonreactive loads.  
If driving loads with a capacitive component is desired, best  
settling response is obtained by the addition of a small series  
resistance as shown in Figure 26. The accompanying graph  
shows the optimum value for RSERIES vs. Capacitive Load. It is  
worth noting that the frequency response of the circuit when  
driving large capacitive loads will be dominated by the passive  
roll-off of RSERIES and CL.  
0.00 0.02 0.04 0.05 0.05 0.05 0.04 0.04 0.04 0.04 0.03  
0.10  
40  
30  
20  
10  
0.05  
0.00  
–0.05  
–0.10  
0.00 0.01 0.10 0.21 0.26 0.28 0.29 0.30 0.30 0.30 0.30  
0.60  
0.40  
0.20  
0.00  
–0.20  
–0.40  
–0.60  
1ST 2ND 3RD 4TH 5TH  
6TH 7TH  
8TH 9TH 10TH 11TH  
Figure 23. Differential Gain and Phase RF = 500, ±5 V, RL =  
150 , Driving One Cable, G = +2  
0
5
10  
15  
20  
25  
C
L
– pF  
Figure 26. Driving Capacitive Load  
Choosing Feedback Resistors  
Changing the feedback resistor can change the performance of  
the AD8014 like any current feedback op amp. The table below  
illustrates common values of the feedback resistor and the per-  
formance which results.  
0.00 –0.02 0.03  
0.05 0.06 0.06 0.05 0.05 0.07 0.10 0.14  
0.30  
0.20  
0.10  
0.00  
–0.10  
–0.20  
–0.30  
0.00 0.07 0.24  
0.40 0.43 0.44 0.43 0.40 0.35 0.26 0.16  
0.60  
0.40  
Table II.  
0.20  
0.00  
–3 dB BW  
VO = ؎0.2 V  
RL = 1 k⍀  
–3 dB BW  
VO = ؎0.2 V  
RL = 150 ⍀  
–0.20  
–0.40  
–0.60  
Gain  
RF  
RG  
1ST 2ND 3RD  
4TH 5TH  
6TH 7TH 8TH 9TH 10TH 11TH  
+1  
+2  
+10  
–1  
1 kΩ  
1 kΩ  
1 kΩ  
1 kΩ  
1 kΩ  
1 kΩ  
2 kΩ  
750 Ω  
499 Ω  
Open  
1 kΩ  
111 Ω  
1 kΩ  
499 Ω  
100 Ω  
2 kΩ  
750 Ω  
499 Ω  
480  
280  
50  
160  
140  
45  
200*  
260*  
280*  
430  
260  
45  
150  
130  
40  
180*  
210*  
230*  
Figure 24. Differential Gain and Phase RF = 500, ±5 V, RL =  
75 , Driving Two Cables, G = +2  
0.00 0.44 0.52 0.54 0.52 0.52 0.50 0.48 0.47 0.44  
0.45  
–2  
0.80  
0.60  
0.40  
0.20  
0.00  
–0.20  
–10  
+2  
+2  
+2  
–0.40  
–0.60  
–0.80  
*VO = ±1 V.  
0.00 0.10 0.32 0.53 0.57 0.59 0.58 0.56 0.54 0.51  
0.48  
0.80  
0.60  
0.40  
0.20  
0.00  
–0.20  
–0.40  
–0.60  
–0.80  
1ST 2ND 3RD 4TH 5TH  
6TH 7TH 8TH 9TH 10TH 11TH  
Figure 25. Differential Gain and Phase RF = 500, ±5 V, RL =  
50 , Driving Three Cables, G = +2  
REV. B  
–9–  

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