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  • PSPICE-FOR-TI: LMP7716-Q1 erroneously detected as an external model

    Resolved
    Part Number: PSPICE-FOR-TI Other Parts Discussed in Thread: LMP7716 , LMP7716-Q1 , LMP7715 , LM2904B I performed the following steps to try to run a simulation with the LMP7716 op-amp: 1. In PSPICE for TI, right clicked on the LMP7716-Q1 and selected "Open…
    • Resolved
    • Answered

  • OPA3S328EVM: Build a Programmable Gain Transimpedance Amplifier

    Resolved
    Part Number: OPA3S328EVM Other Parts Discussed in Thread: OPA3S328 , TINA-TI , ADS1675 , LMP7721 , LMP7715 Hello Experts, Our customer has a technical question about the product OPA3S328EVM. He has been going through the "Application Report: Build a Programmable…
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    • Answered

  • TIDA-00462: TPS61046

    Resolved
    Part Number: TIDA-00462 Other Parts Discussed in Thread: CD4049UB , TPS61046 , LMP7715 , DIP-ADAPTER-EVM , MSP430FR5969 , TLV61046A Dear TI Team, We want to design 'TIDA-00462'. Following TIDA-00462 user guide, I purchased the parts as below. TPS61046…
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    • Answered

  • OPA392: Accurate measurement of voltage from high impedance source

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    Part Number: OPA392 Other Parts Discussed in Thread: TINA-TI , LMP7721 , LMP7715 , TMUX1104 , OPA387 , OPA397 I tried to design measuring amplifier capable of amplifying (300x) high impedance (10MΩ) 0-10mV DC voltage signal. It seemed that OPA392 , thanks…
    • Resolved

  • RE: LMP7721: Confusion about example schematics

    Dear Raymond, Thanks for your prompt reply and noticing about the missing images. I updated the post and included the circuits as you explained, thanks for that. Based on your reply, I studied the Datasheets a bit more in detail and noticed the reduced…
    • Answered

  • RE: TLV9061: Max Input Bias Current

    Resolved
    Hi Hao, you might want to have a look at the OPA320, LMP7711, LMP7715, LMV796, LMC6081 or LMP7721. Or have a look for yourself: Kai

  • TINA/Spice: Unable to understand a part in the reference design provided in "Analog Engineer’s Circuit Cookbook: ADCs"

    TI Thinks Resolved
    Other Parts Discussed in Thread: TINA-TI , LMP7715 , LMP7721 Tool/software: TINA-TI or Spice Models Hello. Recently, I was going through "Analog Engineer’s Circuit Cookbook: ADCs" as provided among the cookbooks provided by TI. In this, I have been referring…

  • RE: LMP7721: Gamma radiation sensor

    I really appreciate the great support you guys provide! So, I removed the unity gain LMP7715 and connected the guard ring directly to VREF_PRE, also removed test network from the board as you recommended and connected the shield on test connector to…
    • Answered

  • RE: LMP7721: Unity gain stability of LMP7721

    Resolved
    Hi Mohan, yes, the LMP7721 is unity-gain stable. And yes, the phase margin is very small. But nevertheless the LMP7721 can work as voltage follower and can drive capacitive loads, provided a careful phase lead compensation is carried out to restore the…

  • RE: XTR111: mV to mA Signal Conversion for pH probe

    Hello Benjamin, You will need a couple of amplifier stages to convert the pH probe current output, to a voltage range compatible with the XTR111 input. Have a look at the LMP7721 datasheet, Figure 50. - LMP7721 applied as a pH Electrode Amplifier. An…

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