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  • OPA2180: OPA2180 used as a Comparator

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    Part Number: OPA2180 Other Parts Discussed in Thread: TLV1805-Q1 , TEST Hello, I have a new design and would like to know if it is OK to use one of the OPA2180 Op Amps as a Comparator to drive a small MOSFET. Thank you, SteveC
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    • Answered

  • OPA2180-Q1: Output Voltage Constraint of Op Amp Follower

    Resolved
    Part Number: OPA2180-Q1 Other Parts Discussed in Thread: OPA2197-Q1 , OPA2192-Q1 Hi, I am testing OPA2180-Q1 in the simplest follower configuration without any external current limit resistor in the input path or the feedback path. Vout deviates from…
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    • Answered

  • OPA2180: Large offset in inverting buffer circuit that is outside the expected 70uV spec for the device

    Resolved
    Part Number: OPA2180 Other Parts Discussed in Thread: TEST I'm using half of an OPA2180 to invert and add a small offset to the output of a transimpedance amplifier. See circuit below. Signal from transimpedance amplifier is applied directly in place…
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  • OPA2188 and OPA2180 Noise Voltage

    Other Parts Discussed in Thread: TEST This is a post repeat due to communication error. Does anyone know if the OPA180 (or dual version OPA2180 ) is the same silicon as the OPA2188 ? If it is, I have noticed a marked difference in these two parts during noise…

  • OPA2180 and OPA2188 noise voltage

    Other Parts Discussed in Thread: OPA2188 , OPA2180 The data sheet noise voltage for the OPA2180 is listed as 10nV/rtHz. The noise voltage for the OPA2188 is listed as 8.8nV/rtHz. However the data sheets for the OPA2180 figure 6 and the OPA2188 figure 15…

  • OPA2180, is there a RTD 3wire reference cuicuit?

    Other Parts Discussed in Thread: OPA188 Dear Specialists My customer is considering RTD 3wire front end circuit by using OPA188. The datasheet describes RTD 2wire, but he could not found 3wire. Could you please offer something useful application note and…
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  • Isolated resistor and feedback resistor value recommendation

    Resolved
    Part Number: OPA2180 Hi Team, Please help recommend suitable isolated resistor(R79) and feedback resistor(R47) value regarding to below customer's application. Many thanks. Best Regards, Stanley.
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    • Answered

  • RE: LM193: Doubt about Electrical Characteristics for LM193, LM293, and LM393

    Resolved
    Hello Chuck, allow me to reply to your question: "In regards to your comment about using Tech Support, can you elaborate? : My name is Fabio Barone, I am the person who posted the original question, and the follow-up responses, Lidong has been kind…

  • Looking for current sense / power amp capable of measuring 1nA to 1mA with +- 100pA resolution

    TI Thinks Resolved
    Other Parts Discussed in Thread: TIDA-00639 , INA226 , OPA333 , ISO224 , OPA2180 , INA2180 , INA821 , INA111 , ISO1541 Hi, I have a quirky academic device to design, I will be be passing 0-150V at 1nA to 1mA through a piece of organic tissue. I need to measure…
    • Answered

  • RE: OPA2237: Any AEC Q100 ADCs have similar specification as OPA2237

    Resolved
    Hello Sheldon, Thanks for your post. I found 2 automotive-grade amplifiers which may work for you. Please take a look at the OPA2180-Q1 and OPA2197-Q1 below and let me know your feedback. -Tamara

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