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AD8512ARMZ

更新时间： 2024-01-11 00:44:06
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 放大器PC光电二极管
页数 文件大小 规格书
21页 1333K
描述
DUAL OP-AMP, 1800uV OFFSET-MAX, 8MHz BAND WIDTH, PDSO8, ROHS COMPLIANT, MO-187AA, MSOP-8

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AD8512ARMZ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：ROHS COMPLIANT, MO-187AA, MSOP-8针数：8
Reach Compliance Code：unknown风险等级：5.24
放大器类型：OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB)：0.0075 µA
标称共模抑制比：100 dB最大输入失调电压：1800 µV
JESD-30 代码：S-PDSO-G8JESD-609代码：e3
长度：3 mm湿度敏感等级：1
负供电电压上限：-18 V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：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260座面最大高度：1.1 mm
标称压摆率：20 V/us子类别：Operational Amplifier
供电电压上限：18 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端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40标称均一增益带宽：8000 kHz
宽度：3 mmBase Number Matches：1

AD8512ARMZ 数据手册

 浏览型号AD8512ARMZ的Datasheet PDF文件第13页浏览型号AD8512ARMZ的Datasheet PDF文件第14页浏览型号AD8512ARMZ的Datasheet PDF文件第15页浏览型号AD8512ARMZ的Datasheet PDF文件第17页浏览型号AD8512ARMZ的Datasheet PDF文件第18页浏览型号AD8512ARMZ的Datasheet PDF文件第19页 
AD8510/AD8512/AD8513  
Figure 46 shows a scope plot of the output of the AD8510/AD8512/  
AD8513 in response to a 400 mV pulse. The circuit is configured in  
positive unity gain (worst case) with a load experience of 500 pF.  
OPEN-LOOP GAIN AND PHASE RESPONSE  
In addition to their impressive low noise, low offset voltage, and  
offset current, the AD8510/AD8512/AD8513 have excellent  
loop gain and phase response even when driving large resistive  
and capacitive loads.  
V
= ±15V  
= 500pF  
=10kΩ  
SY  
C
L
R
L
Compared with Competitor A (see Figure 49) under the same  
conditions, with a 2.5 kΩ load at the output, the AD8510/AD8512/  
AD8513 have more than 8 MHz of bandwidth and a phase margin  
of more than 52°.  
Competitor A, on the other hand, has only 4.5 MHz of band-  
width and 28° of phase margin under the same test conditions.  
Even with a 1 nF capacitive load in parallel with the 2 kΩ load  
at the output, the AD8510/AD8512/AD8513 show much better  
response than Competitor A, whose phase margin is degraded  
to less than 0, indicating oscillation.  
TIME (1µs/DIV)  
70  
315  
270  
225  
180  
Figure 46. Capacitive Load Drive Without Snubber  
V
R
C
= ±15V  
= 2.5kΩ  
= 0pF  
SY  
60  
L
L
When the snubber circuit is used, the overshoot is reduced from  
55% to less than 3% with the same load capacitance. Ringing is  
virtually eliminated, as shown in Figure 47.  
50  
40  
30  
20  
10  
135  
90  
V
= ±15V  
= 10kΩ  
= 500pF  
= 100Ω  
= 1nF  
SY  
R
C
R
C
L
L
S
S
45  
0
0
–10  
–20  
–30  
–45  
–90  
–135  
50M  
10k  
100k  
1M  
10M  
FREQUENCY (Hz)  
Figure 48. Frequency Response of the AD8510/AD8512/AD8513  
70  
315  
270  
225  
180  
V
R
C
= ±15V  
= 2.5kΩ  
= 0pF  
SY  
TIME (1µs/DIV)  
60  
L
L
Figure 47. Capacitive Load with Snubber Network  
50  
40  
30  
20  
10  
Optimum values for RS and CS depend on the load capacitance  
and input stray capacitance and are determined empirically.  
Table 5 shows a few values that can be used as starting points.  
135  
90  
Table 5. Optimum Values for Capacitive Loads  
45  
CLOAD  
500 pF  
2 nF  
RS (Ω)  
100  
70  
CS  
0
0
–10  
–20  
–30  
1 nF  
100 pF  
300 pF  
–45  
–90  
5 nF  
60  
–135  
50M  
10k  
100k  
1M  
10M  
FREQUENCY (Hz)  
Figure 49. Frequency Response of Competitor A  
Rev. I | Page 15 of 20  
 
 
 
 
 
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