• ADG3247:  Hotswapping

    Q 

    1.       When you said that:” None of our analog switches can take signals
    while the power is removed. There are internal ESD protection diodes between
    the signal inputs and the power supply pins which will clamp the signal lines
    to ground…

  • ADG3247电平转换

    ADG3247电平转换问题！

    我现在用ADG3247用于电平转换，SEL接到GND，A口为3.3V输入，B口为1.8V输出；

    这样子连接有问题吗？

    想问一下，A口和B口需要接上拉电阻吗？

  • ADG3247 Level Translating Question

    Dear Sir:

    由于现在有很多新的FPGA GPIO串口只有1.8V,但是在旧有的系统架构上或是MCU大多数GPIO串口电压都在3.3V,所以我有在评估ADG3247 Level Translating 来进行两端的GPIO 串口的电平转换,但是看了ADG3247 Datasheet有很多的疑问在这边请问专家

    Q1:ADG3247 Version:0 Datasheet 里面都没有提到A0~A15 与B0~B15的电平位准,请问如果GPIO3.3V与GPIO1.8V的电平,A0~A15要接哪一组电压…

  • ADG3247 :  How to use

    Hello,

    Our customer examines use of ADG3247, and there is a question.

    1,The customer intends to input the same signal into two input.
      The outputting device of this signal is the following specifications,
      is there a problem?
       OUTPUT_CAPACITANCE：10pF

    …

  • ADG3247可以data 是1.8V 的input吗？双向传输问题

    Hi ADI FAE,

    非常抱歉打扰你们！

    我们这个BUS是单端36个信号，TX包含一个200MHZ的clock, 17个200Mbps 的data，共有18个信号；RX包含一个200MHZ的clock, 17个200Mbps 的data，共有18个信号。

    TX和RX可以分开用两个或多个chip。

    在你们网站上看到ADG3247这个系列满足我们速率上的需要。但是发现

    ADG3247在3.3V与2.5V 转换时是双向的，每个方向都是input/output

    但是在用于2.5v转1.8V

    …

  • ADG3247 支持1.8到3.3升压的电平转换么 速率支持500MSPS

    ADG3247 支持1.8到3.3升压的电平转换么   速率支持500MSPS

  • RE: ADG3245 leakage

    Hi,

    Thank you for your reply.

    My setup is very simple.

    GPIO of nucleo-64 STM32F401RE connected directly to ADG3247.

    I debug using scope on the ADG3247 output.

    The GPIO configuration is no pull up or pull down.

    I am using toggling the output by myself…

  • RE: Bus Enable on ADG chips

    Hi Zach,

    When not active, you may set the BE pin of the ADG3247 to a minimum of:

    • 2.0 V for Vcc = 2.7V to 3.6V, OR
    • 1.7V for Vcc = 2.3V to 2.7V.

    This information can be seen on page 2 Specifications Section of the ADG3247 Datasheet, Input High…

  • ADG3245 for SPI and I2C

    Hello all,

    I'm working on a project in which I use two types of digital potentiometers (AD5254(I2C), and AD5235(SPI)). The potentiometers have the supply voltages of (VDD: +2.5V, VSS: -2.5V). And I use a microcontroller that's supplied by 3.3V…

  • ADG3245 for SPI and I2C

    Hello all,

    I'm working on a project in which I use two types of digital potentiometers (AD5254(I2C), and AD5235(SPI)). The potentiometers have the supply voltages of (VDD: +2.5V, VSS: -2.5V). And I use a microcontroller that's supplied by 3.3V…