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Showing 78 results View by: Thread Post Sort by
  • OPA1642: Radiation report for the OPA1642

    Kenneth Aquino
    Kenneth Aquino
    TI Thinks Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: OPA4H014-SEP Does anyone know if there exists a radiation testing report for the OPA1642 (either TID or single-event)?
    • 6 months ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: OPA1642

    Kenneth Aquino
    Kenneth Aquino
    Resolved
    Part Number: OPA1642 My question is what is a ballpark number for the capacitance of the ESD diodes inside the OPA1642 op-amp. I'm using the OPA1642 as a transimpedance amplifier for a photodiode. TIA gain (the TIA is a capacitive TIA, with a voltage…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: Application in single power supply

    Bolin He
    Bolin He
    Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652 , OPA1688 Dear, Is there a recommended application for OPA1642 working in +5V single power supply, is there any risk? It seems below application not working properly, it on some units get terrible…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: vs. OPA1652 Output voltage vs. Output current

    Sarah Cratem
    Sarah Cratem
    Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652 Hi team, The following two sets of Output Voltage vs. Output Current characteristic curves seem to behave in opposite manners. For OPA1642, the output current (limit) appears to increase with…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: Less than unity gain?

    Jerry Gorman
    Jerry Gorman
    Resolved
    Part Number: OPA1642 Any chance the OPA1642 in inverting mode is stable at 1/3 gain? R1 is 10K feeding the negative input and R2 the feedback resistor is 3.33K. Needed over audio range. This seems like a no-no but I have to ask as I'm dealing with a board…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: Offset drift parameter

    V 666
    V 666
    Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652 , OPA1662 , OPA2141 , NE5532 , OPA1678 , OPA1679 , OPA1688 Hello, I was looking for information about offset voltage temperature dependence - opa1642 spice model does not include this. Using the cross…
    • Resolved
    • over 2 years ago
    • Audio
    • Audio forum
  • OPA1642-Q1: opa1642-q1 FABRICATION PROCESS

    LIOUAEDDIN BOUKHANA
    LIOUAEDDIN BOUKHANA
    Part Number: OPA1642-Q1 Hello , I am looking for some informations regading the process FAB Technology of the opa1642-q1 : -The Mask SET / The die Revision . -How we can get easily the FAB Site / The Diffusion Lot /the Wafer N° Those requested datas…
    • over 3 years ago
    • Audio
    • Audio forum
  • OPA1642: OPA827, OPA2140 & OPA1642 source impedance and distortion issue.

    Petr Novak51
    Petr Novak51
    TI Thinks Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: OPA2140 , OPA827 , , OPA140 OPA827, OPA2140 & OPA1642 source impedance and distortion issue. Dear Sir/Madam, While reviewing the datasheet OPA1642, by chance, I learnt the specifications in chapter…
    • over 4 years ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: Date code question

    Fiorella Vargas
    Fiorella Vargas
    Resolved
    Part Number: OPA1642 Hello, I’d like to understand what the date code “1714+5” means. P/N OPA1642AIDR was procured twice, once with a date code reading "1714" and once with a date code reading "1714+5". I’d like to understand the difference I’m seeing…
    • Resolved
    • over 3 years ago
    • Audio
    • Audio forum
  • Answered
  • OPA1642: Application Report SBOA237–August 2017 HiFi Audio Circuit Design 4.1.3. "Good" grounding

    Frank Brenner
    Frank Brenner
    Resolved
    Part Number: OPA1642 Other Parts Discussed in Thread: TPS74 The a.m. design guide mentiones "good" grounding , without being more specific. I wonder , if the following would be reasonable to apply: In an active XO/EQ design, we use OPA1642…
    • Resolved
    • over 3 years ago
    • Audio
    • Audio forum
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