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  • PGA2505: PGA2505

    TI Thinks Resolved
    Part Number: PGA2505 Other Parts Discussed in Thread: PGA2500 Tool/software: Hi Team, This is Rohit Gupta from Applied Electro Magnetics Pvt. Ltd. We are currently working on a project that requires susceptibility compliance in accordance with MIL-STD…
    • Answered

  • PGA2505: PGA2505 operation when SPI communication is not performed

    Resolved
    Part Number: PGA2505 Tool/software: I assume that the PGA2505 is normally configured as a SPI device, but could you please tell me what mode of operation it will be in if SPI communication is not performed? Does it operate with a fixed gain Amplifier…
    • Resolved

  • PGA2505: How to calculate the input impedance of PGA2505?

    TI Thinks Resolved
    Part Number: PGA2505 Tool/software: Dear How to calculate the input impedance of PGA2505?

  • PGA2505: PGA2505 support an unbalanced microphone input

    TI Thinks Resolved
    Part Number: PGA2505 Tool/software: Dear Can the PGA2505 support an unbalanced microphone input (unbalanced input methods: PIN3->NC, PIN1->GND, PIN2->IN) Similar to this circuit, there are currently three phenomena: 1. Connecting this unbalanced input…

  • PGA2505: Why is the voltage here 0.6V? Shouldn't it be 0V? Is it because of bias voltage? But isn't the bias voltage of chip PGA2505 ± 0.08mV?

    TI Thinks Resolved
    Part Number: PGA2505 Tool/software: Why is the voltage here 0.6V? Shouldn't it be 0V? Is it because of bias voltage? But isn't the bias voltage of chip PGA2505 ± 0.08mV?

  • PGA2505: More than one part in a design, interfacing to a 3V3 processor

    TI Thinks Resolved
    Part Number: PGA2505 Tool/software: I need to put more than of these on a design that has other SPI devices and a processor that runs at 3V3. From the datasheet and evaluation board design it looks like 3V3 level SPI signals work fine going from the processor…

  • TCA39416: Connecting more than one PGA2505 5V SPI part to a 3V3 SPI bus?

    TI Thinks Resolved
    Part Number: TCA39416 Other Parts Discussed in Thread: PGA2505 , SN74LVC1G125 , SN74AHC1G125 Tool/software: I need to put more than one PGA2505 into a design that has other SPI devices and a processor that runs at 3V3. From the datasheet and evaluation…
    • Answered

  • PGA2505: Can I use a single-rail design +5/0V rather than dual rail +5/-5?

    Resolved
    Part Number: PGA2505 Tool/software: Hello, I'm looking at the power supply design for my board and considering whether the PGA2505 really needs a split rail or whether it can be run from a single +5 supply? Regards, Dan
    • Resolved
    • Answered

  • PGA2505: How long is OVR pin held high when a voltage above threshold is detected?

    Resolved
    Part Number: PGA2505 Tool/software: Hello, After an over-range event occurs, how long is the OVR pin held high? I am assuming that it is transient, i.e., only held high as long as the input voltage is greater than the set threshold and will have…
    • Resolved
    • Answered

  • PGA2505: PGA2505 with limit voltage input of DSP

    Resolved
    Part Number: PGA2505 Other Parts Discussed in Thread: OPA1637 Hello support team, The problem here is from our customer. They met some bottlenecks with PPGA2505 in products, and needs your comments: PGA2505 had max +-5V(VA+, VA- 5V power supply…
    • Resolved

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