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  • PGA280: Input switch leakage

    Part Number: PGA280 Hello TI, Is there any data or specifications for the off-state leakage current of the input switches (A1/A2 & B1/B2)? I would like to connect them to very high impedance inputs in order to use the current sources for wire break…
    • Answered

  • PGA280: Output Loading

    Resolved
    Part Number: PGA280 Other Parts Discussed in Thread: PGA281 , Good day, In a lot of the reference designs that utilize the PGA280/281 (Including the SBOM817 TINA File for PGA281), I see some light load resistors added to the PGA Output (2.5K in the case…
    • Resolved

  • PGA280: VOCM vs. Accuracy

    Part Number: PGA280 Other Parts Discussed in Thread: PGA281 Hello, With regard to the VOCM pin, the datasheet always shows this connected to mid supply (VOP+VON)/2 Is there any harm to performance in setting VOCM off from center? I don't see anything…

  • PGA280: Will error flag OUTerr be triggered only by overcurrent?

    TI Thinks Resolved
    Part Number: PGA280 Hi teams, Can you help me about the questions? Will error flag OUTerr be triggered only by overcurrent?(see the pic below) If so, what’s threshold?

  • PGA280: Can I configure the front end to bring in single ended signals?

    TI Thinks Resolved
    Part Number: PGA280 Other Parts Discussed in Thread: TL7660 Hello: I wanted to check if I can bring in single ended analog signals into the INxa inputs of the PGA280, or do I need to bring in a differential pair to take full advantage? If I can bring in…
    • Answered

  • PGA280: PGA280 for CCD AFE

    Resolved
    Part Number: PGA280 Other Parts Discussed in Thread: PGA870 Hi, I am new to analog circuit design and I need to design the analog front end for a CCD imaging system (Pushbroom camera). I am using the TCD2905 RGB linear CCD and the LTC2246 ADC. I need…
    • Resolved
    • Answered

  • PGA280: After the input signal is sent, no feedback signal is received

    Resolved
    Part Number: PGA280 When debugging the PGA280, we sent the hex instruction 8300 to the PGA280 register 3 "set BUF time-out" (as shown in the figure). It should have got a return value of 19, but we did not receive any value, and the PGA280 did not respond…
    • Resolved
    • Answered

  • PGA280: SPI bits

    Resolved
    Part Number: PGA280 All: On PGA280, does SPI use 8 bits, 16 bits? (reference sboa119) Regards, Todd Anderson
    • Resolved
    • Answered

  • THS4551: Vocm as output to feed PGA280/1

    Resolved
    Part Number: THS4551 Other Parts Discussed in Thread: PGA281 , PGA280 Hello, I wonder if it is feasible to use THS4551 Vocm pin as an output to feed the PGA281 Vocm input. Supposing Vocm would be Vcc/2 I understand from previous discussion here at forum…
    • Resolved
    • Answered

  • PGA280: noise floor

    Resolved
    Part Number: PGA280 Other Parts Discussed in Thread: PGA281 , PGA103 , PGA202 , OPA2320 Hi team, Our customer uses PGA280 + AD7765 for signal acquisition Short the input of AD7765, the noise level is low. However, when PGA280 + AD7765 are tested together…
    • Resolved

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