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  • OPA132: Simulating the PSRR of the OPA132 with Tina

    Resolved
    Part Number: OPA132 Other Parts Discussed in Thread: OPA170 , TINA-TI Hi engineers, I have a problem about using Tina to simulate an OPA's DC PSRR. I learned the PSRR of OPA in the Precision Lab. Below is the result of the Tina simulation in the Precision…
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    • Answered

  • OPA2132: OPA132, OPA2132, OPA4132 upgrade?

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    Part Number: OPA2132 Other Parts Discussed in Thread: OPA2156 Hi Amps team, I’m upgrading my data acquisition design where I am using the OPA2132 in a transimpedance configuration driving a 16-bit ADC. I am looking for an amplifier similar to the OPA2132…
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  • OPA132: Thermal metrics for OPA132

    TI Thinks Resolved
    Part Number: OPA132 Other Parts Discussed in Thread: OPA827 , OPA134 The OPA132 datasheet has no thermal resistance specs. Do you think the thermal resistance specs for any old SOIC-8 op amp would be reasonably close? Thanks...

  • TINA/Spice/OPA132: Gain/Phase Margin of System

    TI Thinks Resolved
    Part Number: OPA132 Other Parts Discussed in Thread: TINA-TI Tool/software: TINA-TI or Spice Models Hello, As opposed to measuring the gain/phase margin of a particular op amp in a circuit, is it possible to measure the gain/phase margin of the overall…
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  • Vocal speaker

    Resolved
    Other Parts Discussed in Thread: OPA132 , OPA2132 Hello! I apologize for bad english. I am building a portable vocal speaker. I need a solution to play music from different media in MP3 and WAV format. As well as a solution for recording in WAV format on…
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  • opa132 spice model

    Other Parts Discussed in Thread: OPA132 , TINA-TI , OPA657 , OPA847 , OPA627 , OPA827 Hi, The pspice model of the opa132 (that I downloaded as Jan 27, 2104) has a strange open loop gain, the phase is rising. I have not encountered this problem with other pspice…

  • Question of noise analysis on OPA132

    Other Parts Discussed in Thread: OPA132 Dear sir: I got problem when getting the noise density plot on OPA132 with PSPICE simulation. The circuit set up and noise plot is as attached. There's a rise on 35~40Mhz (OPA132_CIRCUIT.JPG and OPA132_NOISE_PLOT…
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  • RE: Capacitance sensing architecture

    Resolved
    Hi Raymond, Thanks for the reply. Raymond Zhang1 said: What are the voltage rails like in your capacitive sensor application (dual or single rail)? I found the following slide, which it may help you to detect up to 2.5pF changes. Are you looking for passive…

  • Ultra-Low-Noise High-Input Impedance Amplifier for Low-Frequency Measurement Applications

    Other Parts Discussed in Thread: OPA227 , OPA1611 , OPA1622 , OPA209 , OPA132 , TLV8812 , TLV8801 , LPV821 , LMP7721 Hi, I'm looking for a Ultra-Low-Noise High-Input Impedance Amplifier for Low-Frequency Measurement Applications. 5hz - 2000hz range. Anything…

  • OPA2132: the maximum input current of the OPA2132UA

    TI Thinks Resolved
    Part Number: OPA2132 Other Parts Discussed in Thread: OPA132 Hello, There is a phenomenon that the input bias current in the customer's OPA2132UA is increasing. Customers believe there is a place that seems to have a large leak on the board, Customers…

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