• AD8662: FAQ

    FAQ

  • AD8662: Supply voltage

    Q 

    Our customer wants to use AD8662 with +/-5V supply voltage.
    Datasheet mentions 16V supply voltage range.
    Can you confirm that it is OK to supply +/-5V for this device ?
    Are there some cases with AD amplifiers where it is not possible…

  • 关于AD8662的应用

    有关于AD8662的应用电路吗，谢谢请提供一份，原理图也可。

  • 单电源运放AD8662可不可以用双运放LM358替换

    在做AD2S1205与旋变通信时，想问可不可以使用LM358来代替手册上的AD8662

  • RE: 问题： [征文+转载] 最近想设计个usb声卡，查了几天资料，发现AD8662,AD8672的确是个好东西，下面是转过来的帖子

    This question has been closed by the EZ team and is assumed answered.

  • RE: Distorted o/p in EXC_OUT Signal from EVAL-AD2S1210SDZ

    tpsamuel,

    If your resolver requires 4.25VRMS (differential) then that is about 6Vp (12Vpp).   The RDC swings between 7.2Vpp to 8.0Vpp differentially, natively which means you would need about 1.5x gain so the 15.4K option should be sufficient for your needs…

  • 前置运放功率放大电路的工作原理

    如上图所示，这是旋变的励磁电路，AD2S1210的输出EXC接的是前置运放功率放大电路，目的是对EXC的输出电压进行放大，同时提高输出功率。想请教一下，这个电路具体是如何工作的？为什么把VOUT反馈到反相端也能构成负反馈，正常负反馈不是应该把运放的输出反馈到反相端吗？谢谢

  • RE: AD8667 Bias Current Figures

    Hi, Emman-

    It looks like another member of the same DigiTrim family, the AD8662, DOES specify a maximum Ibias at 25 C. Why the discrepancy?

    The amplifiers will be used to measure leakage current from a capacitor under test. One will be configured as an…

  • RE: EVAL-AD2S1210SDZ SPI over J4

    Nakul,

    nakuk_shah said:
    (1) To enable SPI, SOE needs to be held low. I can use LK9 to de-solder the resistor in position A. Do I need to provide some resistance in position B or can I just short it with 0 ohm resistor?

    You can simply use a 0 ohm resistor…

  • RE: 求助：AD2S1205那个板子与旋转变压器连接以后，得到的激励信号是错误的，也没有旋变输出的信号SIN/SINLO/COS/COSLO

    EXC和后级AD8662电路可以先不挂旋转变压器，挂普通的电阻负载测试下，看看基本电路能不能正常工作，如果没有问题，再挂旋转变压器，从你的测试看，可能基本的电路有问题