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Showing 99 results View by: Thread Post Sort by
    Answered
  • OPA627: why the Input voltage noise density at 1kHz of OPA627 is smaller than OP07 but the input voltage noise of OPA627 is bigger than OP07?

    justifice zhou
    justifice zhou
    Resolved
    Part Number: OPA627 Other Parts Discussed in Thread: OP07 Hi, 1. the data is as below, why? the Input voltage noise density at 1kHz input voltage noise OPA627 5.2nV/sqrt(Hz) 0.6uV OP07 9.8nV/sqrt(Hz) …
    • Resolved
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA627-DIE: OPA627-DIE temperature range (not stated on webpage or datasheet)

    Philip James
    Philip James
    Resolved
    Part Number: OPA627-DIE Other Parts Discussed in Thread: OPA627 What is the correct operational temperature for the OPA627-DIE? On your webpage it states that the device is a "high temperature" device, but the specification states "25 to 25".…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA627: OPA627BP

    Isagani Gamoso
    Isagani Gamoso
    TI Thinks Resolved
    Part Number: OPA627 Dear Support, KIndly help me on the part number OPA627BP (DC:1931+, COO: Malaysia) Based on X ray, found wire bonding and lead frame design is different. Kindly help to check and confirm if this is valid and normal. Please refer to…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA627: Confirm the noise bandwidth for two stage

    Tengfei Zhang
    Tengfei Zhang
    TI Thinks Resolved
    Part Number: OPA627 Hi Team, I check the TI Precision Lab NOISE4. There are two stages Gain. I want to confirm the noise bandwidth for the first stage. For the above (1), If f1=10K, f2=100K, In order to calculate En_with_filter that is the firs stage…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA627: question on equivalent input current noise

    Div222
    Div222
    Resolved
    Part Number: OPA627 Hi there, I am watching TIPL video section 8.3. on page6 of the slide(as below), en_i = in*Req. This seems correct, but I'm not very sure how this is strictly derived. Could someone explain? by the way, I also googled some similar…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA627: Noise Bandwidth in multiple stages of OP amps

    Div222
    Div222
    Resolved
    Part Number: OPA627 Other Parts Discussed in Thread: TINA-TI , THS4131 , OPA1632 Hi there, I am watching TIPL video section 8.4. on page 15 of the slide, when add LPF capacitors, I thinks the Noise BandWidth shoud use Kn=1.22 (rather than 1.57) for U1. …
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA627: noise simulation question in section 8.6 of Precision Lab video

    Div222
    Div222
    Resolved
    Part Number: OPA627 Other Parts Discussed in Thread: OPA2205 , OPA192 Hi there, When watching this 8.6 video, it mentions at 5:44: In this example the current noise source does not have a 1/f region. So set the 1/f noise the same as the broadband noise, and enter the 1/f frequen…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA627: Perfect circuit for OPA627 and OPA134

    Roland Rittau
    Roland Rittau
    TI Thinks Resolved
    Part Number: OPA627 Other Parts Discussed in Thread: OPA134 , TPA6120A2 , OPA828 Hello, I would like to use the OPA627 and the OPA134 in optimal wiring (non inverting) in front of a TPA6120A2. Unfortunately, despite an intensive search, I did not find any…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • THS4503: OPA627+THS4503

    Amy Luo
    Amy Luo
    Resolved
    Part Number: THS4503 Other Parts Discussed in Thread: OPA627 , OPA656 , LMH6551 , THS4541 Hi team, The voltage follower is constructed by OPA627, and then connected to THS4503 amplifier. It is correct to test the output of OPA627 separately. When the input…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA627: Alternative device for OPA627

    Ryo Akashi
    Ryo Akashi
    Resolved
    Part Number: OPA627 Other Parts Discussed in Thread: OPA827 , OPA828 Hello experts, I plan to use OPA627 for current follower circuit. But it looks old device. Is there alternative device for OPA627? Thanks and best regards, Ryo Akashi
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
>

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