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  • RE: OPA171: OPA171 SPICE model internal nodes

    Resolved
    Hi Daniel, thank you for your thorough answer. I believe that the difference really can be caused by the input capacitance that was disconnected from the feedback network by inserting stimulus to the negative input of the opamp. Then it looks like the…
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  • OPA171: Bipolar and CMOS Vos temperature drift performance difference

    Resolved
    Part Number: OPA171 Hi team, Here is a confusing item of Amplifier temperature drift. From below training slide page 7, there is a Vos temperature drift Bipolar and CMOS comparison. https://training.ti.com/sites/default/files/docs/Op%20Amp%20Tech%20Overview_0…
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  • TLV171-Q1: EMC immunity performance comparison with OPA171-Q1

    Resolved
    Part Number: TLV171-Q1 Other Parts Discussed in Thread: OPA171-Q1 , Hi, team Is there any comparison test for immunity with OPA171-Q1 ? Customer wishes lower cost solution with TLV171-Q1 but wondering if it has weaker for immunity performance. ( TEM Cell…
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  • OPA171-Q1: OPA171-Q1

    TI Thinks Resolved
    Part Number: OPA171-Q1 Other Parts Discussed in Thread: OPA171 Hello All, I would like to understand that how unstability or oscillations at the output of OPAMP causes heating of device? BR, Nachiket W.
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  • OPA171: Vos unit confirmation in the figure.

    Resolved
    Part Number: OPA171 Hi Can You help me check the Vos unit (mV), is it correct? Should it be uV? Need to check of place as below Page1 (Offset Voltage vs Common-Mode Voltage Figure) Page 12 of Figure 4, Figure 5, Figure 6. If the unit is wrong, can you update…
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  • OPA171-Q1: Could you please help to understand the circuit

    Resolved
    Part Number: OPA171-Q1 Other Parts Discussed in Thread: OPA404 , OPA171 Hello All, I have given a circuit as below and simulated in P-Spice. I am confused of the circuit working behavior. 1. Could anyone help to understand the circuit behavior and the impact…
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  • OPA991: What to do with SHDN Pin?

    Resolved
    Part Number: OPA991 Other Parts Discussed in Thread: OPA171 , I am hoping to transition from an opa171 soic-8 opamp into an OPA991 SOT-23-6 package. I am very puzzled with one of the pins though which only exists on the 6 pin version. Pin 5, labelled SHDN…
    • Resolved

  • OPA171-Q1: Fixed reference switches with respect to the Input frequency

    TI Thinks Resolved
    Part Number: OPA171-Q1 Other Parts Discussed in Thread: OPA171 , OPA2990 Hello, I am using OPA171 op-amp for simple comparator operation. Condition: Op-amp supply: +12V and -12V Non-inverting terminal: 2.5V fixed reference (by voltage divider) Inverting…
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  • OPA171: vout is not correct for current sensing application

    Resolved
    Part Number: OPA171 Other Parts Discussed in Thread: TINA-TI I am using this device to measure the current of a power supply The device is configured as an inverting amplifier Power supply +/-15V Rfeedback = 100k, Rgain = 1k also a 1k resistor from non…
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    • Answered

  • OPA277: OPA188 oscillation issue

    Resolved
    Part Number: OPA277 Other Parts Discussed in Thread: TI-PLABS-AMP-EVM , OPA188 , OPA140 , OPA211 , , OPA171 , THS4561 , OPA365 Hi all, I'm using circuit 8 of TI-PLABS-AMP-EVM to test a real customer's circuit. The circuit 8 is as follow: Test condition…
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