• RE: AD5933 + AD8606 Nonlinearity problem

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    …

  • RE: AD8606 inductive load - nonlinearity problem

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    …

  • AD8606反馈电路并联电容问题

    问题一：经查阅资料，反馈回路并联电容电阻起低通滤波器和相位补偿作用，计算得到低通滤波截止频率位6kHz，但经实验证明，200kHz信号正常进行放大，这个电容的准确作用是什么？该如何判断？

    问题二：反相输入端仅提供100Ω电阻，LTspice软件仿真结果如下图所示，信号因放大倍数过大发生失真，但实验验证200kHz信号可以正常进行放大，该放大器是如何进行工作的？

  • AD8606放大器反馈电路并联电容

    如图所示，在输出与反相输入端的反馈回路之间有一个电容并联于电阻上，查阅资料有的说是低通滤波作用，截止频率是6kHz左右，但是200kHz顺利进行放大，也不满足积分电路的大小和时间常数，这个电容是起什么作用？该如何判断？

    第二个问题：在反相输入端输入电阻是100欧姆，仿真时信号放大倍数太大失真，但搭建最小系统板却显示200kHz信号正常放大，该放大器是如何进行工作的？

  • RE: AD5934 - Problem in a simple buffer AD8606

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  • AD8606 output current

    I have some questions about AD8606 output current.

    There is a spec " output current".

    What's the definition of this ouput current?What would happen if it's exceeded?

    And one more thing,

    the output current is ±80mA at 5V supply and…

  • AD8606 bias vs. Input Common Mode

    Hi,

    Could you please provide the AD8606 bias current vs. the common mode for 5V?

    For example, here's figure 11 from the AD823A specs:

    Thanks for your help,

    Keep making these excellent OPAMPs!

    Noam

  • anveshan 2015080: AD8606 is getting heated up

    In the above circuit the underlined IC AD8606 is getting heated up. At the node marked (low pass filter output) the current is high when i checked in ADIsimPE simulation software. how can this problem be overcomed?

  • 使用LTC6268构建电压跟随器

    原理图如左图所示，需要实现一个小电流输入端的电压跟随器

    Rload在100kΩ左右，电流在100nA~10uA的范围；电路目的为在已知输入电流的情况下，测试负载的阻抗。

    第一次使用AD8606构建，结果如下，使用吉时利DAQ6510测试

    图中红色线条为理想情况，黑色线条为AD8606构成的跟随器测试情况。

    曲线不合推测为AD8606最低电压输出相对较高所致，如下：

    最低输出电压为40mV，与曲线最低电压基本一致。

    现在尝试用LTC6268来构建，但是并未在数据手册上找到相应的最低输出电压的参数…

  • RE: AD5933 high impedance measurement (10 M to 50 M ohms)

    It is probably worth trying. Pmodia uses the AD8606, which might not be the best OPAMP for this type of measurements. The Common-Mode Input Capacitance on this part is 8.8pF, which at 10KHz will result in ∼1.8 MOhm impedance, Differential Input Capacitance…