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  • 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?

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    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) …
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  • OPA627-DIE: OPA627-DIE temperature range (not stated on webpage or datasheet)

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    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".…
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  • OPA627: OPA627BP

    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…

  • OPA627: Confirm the noise bandwidth for two stage

    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…
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  • OPA627: question on equivalent input current noise

    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…
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  • OPA627: Noise Bandwidth in multiple stages of OP amps

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    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. …
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  • OPA627: noise simulation question in section 8.6 of Precision Lab video

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    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…
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  • OPA627: Perfect circuit for OPA627 and OPA134

    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…
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  • THS4503: OPA627+THS4503

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    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…
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  • OPA627: Alternative device for OPA627

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    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
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