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  • OPA861：Designing and debugging a peak‐detect & hold circuit for 8 ns pulses using OPA861

    Part Number: OPA861 Other Parts Discussed in Thread: LMH6601 , OPA847 , OPA860 Tool/software: Hello TI experts, I am designing a photodiode-based peak-detect & hold circuit to capture ultra-narrow optical pulses (8 ns pulse width) at two repetition…

  • OPA861: OPA861 in LDO application

    TI Thinks Resolved
    Part Number: OPA861 Hi team, I am trying to use the OPA861 in an application to create a discrete, unity gain LDO. When I run the simulations in PSpice, I get expected behavior; however, this circuit is not acting like an LDO in the real world, when…
    • Answered

  • RE: Using OPA861 in an optical communication module with LED

    Resolved
    Hi Benjamin, Would it be possible for you to describe your application circuit and requirements in a separate post? Best Regards, Rohit

  • OPA861 -- math mistake in LPF

    Other Parts Discussed in Thread: OPA861 The datasheet for the OPA861 appears to have a math mistake in the calculation of component values for the low pass filter. If frequency is 20kHz, and R is 1k, C2=0.008uF and C1=0.004uF. The values for the 10MHz…

  • pcm1794 and opa861 based i/v stage

    Other Parts Discussed in Thread: PCM1794 , OPA861 Dear I have a dac with pcm1794 and the output stage is the same of datasheet. I'm happy for this but i'm looking for another configuration that use no feedback IC. i assume a pattern like: DAC out -> opa861…
    • Answered

  • OPA860: peak detection application

    Resolved
    Part Number: OPA860 Other Parts Discussed in Thread: OPA861 Hello， I designed a peak hold circuit using OPA860 and OPA861, a transistor amplifier chip, where the physical design and simulation design principles are similar. However, without its built…
    • Resolved

  • OPA2832: How to generate 100K~200khz SINE waveform

    Part Number: OPA2832 Other Parts Discussed in Thread: OPA860 , OPA861 , OPA615 , PGA849 , PGA870 Tool/software: Hi team, My customer has 2 requirement about SINE waveform design: 1. 120Khz, 3mA peak SINE waveform. Could you help provide a TINA simulation…

  • OPA860: best for generating a low amplitude (1 mA) sinusoidal current between 50 - 100 kHz.

    TI Thinks Resolved
    Part Number: OPA860 Other Parts Discussed in Thread: OPA861 , OPA615 , LM13700 , OPA2210 Hi Team, The customer is working on a voltage-controlled current source and would like to use an operational transconductance amplifier (OTA) integrated circuit…

  • RE: OPA1S2384: op-amp selection

    Hello Hale, Please find my comparison below: sample_and_hold_comparison.xlsx The key differences between OPA1S2384/5 and OPA860/1 are here: - OPA860/1 are OTA, or operational transconductance amplifiers. They are primarily intended for laser drivers…

  • OPA855DSGEVM: Power and Resistor Value

    Part Number: OPA855DSGEVM Other Parts Discussed in Thread: OPA855 , OPA859 , OPA856 , OPA861 , TLV3603E Hello E2E Experts, Good day. I am interested in powering a laser diode. It is a simple design, I have a clock generator that outputs +7dBm of power…

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