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AD8512

更新时间： 2024-01-23 00:19:11
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
20页 682K
描述
Precision, Very Low Noise, Low Input Bias Current, Wide Bandwidth JFET Operational Amplifiers

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中文翻译

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AD8512 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, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：0.89
放大器类型：OPERATIONAL AMPLIFIER架构：VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：0.01 µA25C 时的最大偏置电流 (IIB)：0.00008 µA
标称共模抑制比：100 dB频率补偿：YES
最大输入失调电压：800 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
低-偏置：YES低-失调：YES
微功率：NO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：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
功率：NO电源：+-5/+-15 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：20 V/us
子类别：Operational Amplifier最大压摆率：5 mA
供电电压上限：18 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：JFET
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
标称均一增益带宽：8000 kHz宽带：NO
宽度：3.9 mmBase Number Matches：1

AD8512 数据手册

 浏览型号AD8512的Datasheet PDF文件第11页浏览型号AD8512的Datasheet PDF文件第12页浏览型号AD8512的Datasheet PDF文件第13页浏览型号AD8512的Datasheet PDF文件第15页浏览型号AD8512的Datasheet PDF文件第16页浏览型号AD8512的Datasheet PDF文件第17页 
AD8510/AD8512/AD8513  
SETTLING TIME  
V
A
R
= ±15V  
= –100  
= 10kΩ  
SY  
V
L
Settling time is the time it takes the output of the amplifier to  
reach and remain within a percentage of its final value after a  
pulse has been applied at the input. The AD8510/AD8512/  
AD8513 settle to within 0.01% in less than 900 ns with a step of  
0 V to 10 V in unity gain. This makes the each of the parts an  
excellent choice as a buffer at the output of DACs whose settling  
time is typically less than 1 µs.  
+15V  
0V  
0V  
–200mV  
In addition to their fast settling time and fast slew rate, the  
AD8510/AD8512/AD8513’s low offset voltage drift and input  
offset current maintain full accuracy of 12-bit converters over  
the entire operating temperature range.  
TIME (2µs/DIV)  
Figure 44. Negative Overload Recovery  
OVERLOAD RECOVERY TIME  
CAPACITIVE LOAD DRIVE  
Overload recovery, also known as overdrive recovery, is the time  
it takes the output of an amplifier to recover from a saturated  
condition to its linear region. This recovery time is particularly  
important in applications where the amplifier must amplify  
small signals in the presence of large transient voltages.  
The AD8510/AD8512/AD8513 are unconditionally stable at all  
gains in inverting and noninverting configurations. They are  
capable of driving up to 1000 pF of capacitive loads without  
oscillation in unity gain, the worst-case configuration.  
However, as with most amplifiers, driving larger capacitive loads  
in a unity gain configuration may cause excessive overshoot and  
ringing or even oscillation. A simple snubber network reduces  
the amount of overshoot and ringing significantly. The advan-  
tage of this configuration is that the output swing of the ampli-  
fier is not reduced, because RS is outside the feedback loop.  
Figure 43 shows the positive overload recovery of the  
AD8510/AD8512/AD8513. The output recovers in  
approximately 200 ns from a saturated condition.  
V
V
A
R
= ±15V  
= 200mV  
= –100  
SY  
IN  
V
L
0V  
= 10kΩ  
V+  
–15V  
7
200mV  
0V  
6
AD8510  
V
OUT  
4
200mV  
R
S
C
S
C
L
V–  
TIME (2µs/DIV)  
Figure 45. Snubber Network Configuration  
Figure 43. Positive Overload Recovery  
Figure 46 shows a scope photograph 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.  
The negative overdrive recovery time shown in Figure 44 is less  
than 200 ns.  
In addition to the fast recovery time, the AD8510/AD8512/  
AD8513 show excellent symmetry of the positive and negative  
recovery times. This is an important feature for transient signal  
rectification, because the output signal is kept equally undis-  
torted throughout any given period.  
Rev. E | Page 14 of 20  
 
 
 
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