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  • OPA828: OPA828

    Resolved
    Part Number: OPA828 Tool/software: When operating with +15v and gnd as the supplies to the op-amp, how close to zero volts can the output drive? (load < 1mA) ? Does operating close to the negative rail (ground) reduce the op-amp precision (drift, offset…
    • Resolved

  • OPA828: Large noise of TIA circuit

    Part Number: OPA828 Tool/software: Hello, I'm working on a TIA circuit to detect 100pA current, and bandwidth need to be around 15kHz. The current is generated by a voltage buffer on the PCB and a 10G resistor connected by coaxial wire. And I found…

  • OPA828: Output offset when input is zero.

    Part Number: OPA828 Other Parts Discussed in Thread: OPA320 , OPA328 , OPA3S328 Tool/software: Hello, I find my TIA output is not correct. And when I remove the input (so nothing connect to RF1), the output should be near zero. But one of my boards…

  • OPA828: Improved Howland Current Pump output current with chipped edges

    TI Thinks Resolved
    Part Number: OPA828 Tool/software: Hi, I am simulating Howland charge pump with OPA828. I see the edges are getting chipped off in my output. Any idea on why this could happen? Thanks, The input rise time is 10uS and 5V at 100Hz.
    • Answered

  • OPA828: OPA828 Figure 6-26 errors

    Resolved
    Part Number: OPA828 Kind of scanning through the OPA828 datasheet (2022 update) this plot So that Aol over temp plot should say 1/Aol and I really doubt it flips polarity over temp
    • Resolved

  • OPA828: Electrostatic discharge

    TI Thinks Resolved
    Part Number: OPA828 Other Parts Discussed in Thread: OPA192 , Tool/software: Hello team, My customer is evaluating OPA828. The electrostatic discharge of OP828 is ±2000V. But some opamp (ex OPA192) cases are ±4000V. Is this due to the difference…
    • Answered

  • OPA828: High input current during power up and power down

    Resolved
    Part Number: OPA828 Other Parts Discussed in Thread: OPA827 , Tool/software: I'm using the OPA828 as a preamp for a reproduce head in an analog magnetic tape recorder. This is the first time I've tried using a FET-input opamp for this job, because opamps…
    • Resolved
    • Answered

  • OPA828: I need suggestion for simple inverting/non-inverting single ended preamp for a ICE Power 200AS1 amplifier

    Resolved
    Part Number: OPA828 Other Parts Discussed in Thread: DRV134 , OPA134 , OPA1642 , THP210 , THS4551 Tool/software: I'm working on designing a Guitar DSP powered Speaker to use as power amp and speaker for popular Guitar DSP pedals. Im using the ICEpower…
    • Resolved
    • Answered

  • OPA828: TINA-TI unrealistic stable simulation

    Resolved
    Part Number: OPA828 Other Parts Discussed in Thread: TINA-TI Tool/software: I have built the circuitry shown below, which is a 1 MHz amplifier capable of driving at 150 ohm load with up to +20 V. When loaded with too high capacitance (a 2 m RG58 coax…
    • Resolved
    • Answered

  • OPA828: Simulating a supply-bootstrapped amplifier circuit in TINA

    Resolved
    Part Number: OPA828 Other Parts Discussed in Thread: OPA827 , OPA810 , OPA1656 , UA741 , OPA596 , OPA593 , LM4040 , OPA197 , OPA192 Tool/software: Dear Support Team, We are trying to verify the behavior of a supply-bootstrapped circuit using OPA828…
    • Resolved

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