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Showing 116 results View by: Thread Post Sort by
  • OPA1678: NJM2794 replacement

    JH Shin
    JH Shin
    TI Thinks Resolved
    Part Number: OPA1678 Other Parts Discussed in Thread: INA1650 Tool/software: Hello, Could you please recommend a suitable replacement from TI for the NJM2794 below? https://www.nisshinbo-microdevices.co.jp/en/pdf/datasheet/NJM2794_E.pdf Thank you…
    • over 1 year ago
    • Audio
    • Audio forum
  • OPA1678: OPA1678IDRGR Thermal Considerations

    Michael Aubin
    Michael Aubin
    TI Thinks Resolved
    Part Number: OPA1678 Tool/software: I have a design with an OPA1678IDRGR and it's running much hotter than expected and also pulling significantly more current than expected when compared to simulation. I noticed that I missed the 4 vias on the thermal…
    • over 1 year ago
    • Audio
    • Audio forum
  • OPA1678: thermal pad floating

    Amber Si
    Amber Si
    TI Thinks Resolved
    Part Number: OPA1678 Tool/software: Hi team, My customer use OPA1678 for single-end to differential signal in audio speaker(mic in ) as below, you can see OPA1678 is supplied by + -5V. Question: my customer connect thermal pad to AGND, not V- as…
    • over 1 year ago
    • Audio
    • Audio forum
  • OPA1678: Temp Range

    Brian Wang0928
    Brian Wang0928
    TI Thinks Resolved
    Part Number: OPA1678 Other Parts Discussed in Thread: MC33078 , OPA1656 , OPA1677 There is a confusing about the temp range in the d/s as below plot. which one is correct? Since MC33078MDREP is last buy/EOL device, TI website recommends to use OPA1678…
    • over 1 year ago
    • Audio
    • Audio forum
  • OPA1678: DO we have a better low noise operational amplifiers to beat NJM2122?

    GW
    GW
    TI Thinks Resolved
    Part Number: OPA1678 Other Parts Discussed in Thread: OPA1656 Tool/software: Hi, Team In one of a audio speaker projects, we meet competitor NJM2122, customer prefer this device as it is a ultra low noise, 1.5nV/√Hz. we are trying to promote our hero…
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • OPA1678: What is max reverse supply voltage this device can safely handle?

    Paul Bailey
    Paul Bailey
    Resolved
    Part Number: OPA1678 Tool/software: Hi. I am designing a new portable product using this op-amp. As this product will use an external supply I want to include reverse polarity supply protection which will clamp an incorrectly reversed supply voltage…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • OPA1678: Replacement or upgrade for OPA1678IDGKR

    Tor Lundgren
    Tor Lundgren
    TI Thinks Resolved
    Part Number: OPA1678 Other Parts Discussed in Thread: OPA1652 , OPA1662 Hi there! We are looking for a replacement for the OPA1678IDGKR, which we are having a lot of trouble sourcing, in a MSOP-8 (VSSOP) package, similar dimensions, 3.00mm x 3.00mm…
    • over 2 years ago
    • Audio
    • Audio forum
  • OPA1678: OPA1678IDR marking in 2022+

    Cathy Cheng
    Cathy Cheng
    TI Thinks Resolved
    Part Number: OPA1678 Hello About OPA1678IDR marking in 2022+,i have a question . there are 2 kinds of different marking with 21+ and 22+. Please check if all are from TI factory.I tried to check datasheet but there is no related information from TI…
    • over 3 years ago
    • Audio
    • Audio forum
  • OPA1678: OPA1678IDR marking

    Cathy Cheng
    Cathy Cheng
    Part Number: OPA1678 Hello Here is my concern on these parts. I see pictures of these parts online and on the data sheet and they don’t show the mold pin cavity, only the bar on the left. In addition, the top marks are in varied locations on the tops…
    • over 3 years ago
    • Audio
    • Audio forum
  • Answered
  • OPA1678: how to measure the CMRR/PSRR of OPA1678

    GW
    GW
    Resolved
    Part Number: OPA1678 Other Parts Discussed in Thread: TINA-TI hi, team our customer using OPA1678 in their smart speaker, they they prefer to know the measure method of our PSRR and CMRR. Could u help to give some suggestions? Thanks. G,W
    • Resolved
    • over 4 years ago
    • Audio
    • Audio forum
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