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  • TLC271B: TLC271B temp drift large than TLC271

    Part Number: TLC271B
    Other Parts Discussed in Thread: TLC271, TLV9101, TLV9151, TLV9141, OPA170, OPA171, OPA2186, OPA186

    Tool/software:

    HI Sir

    We design a precision temp meter, original design is use the TLC271, but the offset too big, so we choose…

  • OPA171: OPA171 Pspice model is not working.

    Part Number: OPA171
    Other Parts Discussed in Thread: OPA991, TINA-TI

    Tool/software:

    OPA171 Pspice mode is not working in any simulation software. i'm using it in unity gain buffer configuration. im trying to read its slew rate which is mention in datasheet…

  • OPA171: OPA171

    Part Number: OPA171
    Other Parts Discussed in Thread: TLV9301, OPA202, LM5575,

    Tool/software:

    Hello TI Team, 

     

    we are currently measuring a small signal with OPA171AIDBVT. Below the schematic.

    We wanted to have more alternative options so we added two new…

  • OPA189: OPA189 noise in unity gain setting

    Part Number: OPA189
    Other Parts Discussed in Thread: TI-PLABS-AMP-EVM, OPA211, OPA171, OPA140, OPA277, OPA188

    Tool/software:

    Dear TI E2E support,

    I try to verify the OPA189 voltage noise against the datasheet.

    For gain=11, the noise measured by my…

  • TLV171: The voltage follower circuit design with TLV171

    Part Number: TLV171
    Other Parts Discussed in Thread: TINA-TI, OPA171

    Hi team,

    My customer is using TLV171 to design a voltage follower circuit. When I tried to simulate with TINA-TI, I find that the Vout=10.2V with Vin=12V. Why the Vout is not equal with…

  • DRV8210EVM: Current sensing with DRV8210EVM

    Part Number: DRV8210EVM
    Other Parts Discussed in Thread: TLV9051, OPA170, OPA171, TLV341

    The DRV8210EVM includes a circuit (not installed) for current sensing. The amplifier recommended is a TLV9051DRL, which is a SOT-553 device. I can't find the part…

  • LMC6482: LMC6482 VS OPA171 question

    Part Number: LMC6482
    Other Parts Discussed in Thread: OPA171, , OPA2171, OPA2172, LMC6484

    Hi Expert,

    My customer using OPA171/2 some many long time and they trying to search our LMC6482 on his new application.

    But some behavior different between both device…

  • OPA188: Oscillation

    Part Number: OPA188
    Other Parts Discussed in Thread: OPA171, OPA277, OPA196, OPA197, OPA191, OPA192

    Hi all,

    My customer is trying to realize a circuit that uses OPA188 to full-wave rectify an AC waveform, integrates it in the subsequent amplifier, and…

  • LM7322: For CFCI funcction

    Part Number: LM7322
    Other Parts Discussed in Thread: OPA171, OPA991, OPA2994

    Hi, Support Team

    We will use LM7322 to design AC charging Pile of CFCI function as below chart

    have any concern?

    if any suggestion, Please advise me.

    Thanks,

    Best regards,

  • TLV170: Can I input voltage Vi over VCM(common-mode voltage)in Inverting Amplifier Circuit

    Part Number: TLV170
    Other Parts Discussed in Thread: OPA627, OPA171

    Hello everyone,

          I was wondering recently, when I adjusted the resistance to set the gain in the figure below to G=-0.5, could I set the input voltage to Vi = -18V.In theory, it is beyond…

  • OPA991: What to do with SHDN Pin?

    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…

  • OPA277: OPA188 oscillation issue

    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…

  • OPA171: Is this the best Amp for my application?

    Part Number: OPA171
    Other Parts Discussed in Thread: TLV9162, OPA2992, OPA2990, OPA2991, TLV9152, TLV9102

    I am looking for an opamp with a +/- 3V supply voltage, low Vos offset voltage and comes in a both a small package option for production and also…

  • OPA4171-Q1: OPA4171 Simulation or Similar product

    Part Number: OPA4171-Q1
    Other Parts Discussed in Thread: TINA-TI, OPA171, OPA4171

    Hi, 

    I am looking for the OPAx171 for simulation in either LTSpice or TINA Spice. But so far I have not found any of the models to simulate. 
    Can you please let me know where…

  • ADS8556: Circuit configuration and front end

    Part Number: ADS8556
    Other Parts Discussed in Thread: OPA171

    Hi,

    We are using two ADS8556 in serial interface (not in daisy chain). I have following questions on front end and circuit configuration:

    1. For front end where signal frequency is up to 4.4KHz…
  • TIDA-00637: Onboard EV Charger

    Part Number: TIDA-00637

    Dear Sir,

    I have few questions regarding schematicOnboard EV Charger TIDA-00637. 

    a) Can we replace OPA171 with TLV1805 as it has lesser slew rate.

    b) Details of Current Transformer used for Metrology Filtering and for GFCI Test…

  • OPA171: Vo variation data

    Part Number: OPA171

    Hello Support team,

    I closed post on public and create new post in internal one.

    https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1062841/opa171-vo-variation-data/3936263#3936263

    Could you support the following…

  • OPA171: Vo variation data

    Part Number: OPA171

    Hello support team,

     

    Customer inquires if you have any data of OPA171AIDRLR Vo variation with their usage setup. Do you have any data?

    *Ta: 0 degC to 85degC

    *V-:0V, V+: 5V

     

     

    Thanks,

    Koji Ikeda

  • TIDA-010071: Evaluate suitable AC charger station use TI reference design

    Part Number: TIDA-010071

    Hi team,

    My customer wants to design an AC charger. I find some reference designs from TI.com

    TIDA-010071 and TIDA-00637. but seems to some different with these EVM.

    Besides the above question, Does it need another function board…

  • OPA171: Single power supply for OPA171

    Part Number: OPA171

    Hello everyone,

    I need to single power an OPA171 in a negative voltage measuring circuit. I plan to assemble according to the diagram as shown below.
    Is this diagram ok?

    Is it ok to single power the opa171 like this?

    Please everyone…

  • OPA171: Open Loop Gain for OPA171

    Part Number: OPA171
    Other Parts Discussed in Thread: TLV171-Q1

    Hello,

    I have a design with fairly large closed-loop gain where I want to use OPA171.

    Upon checking open loop gain specification I noticed figure 21 which seems weired to me (3 curves shown…

  • OPA4171: Effect of capacitor in feedback loop-OPA4171

    Part Number: OPA4171
    Other Parts Discussed in Thread: TINA-TI, OPA171

    Hi,

    I have below circuit as a difference amplifier with the gain of 10. The circuit has feedback capacitor of 10pF. This is more like differential to single stage configuration and…

  • OPA171: OPA171 alternative and REACH/RoHS conform

    Part Number: OPA171
    Other Parts Discussed in Thread: OPA991
    Which alternatives or successors to the OPA171 in the SOT23-5 housing are available? 
    Is the OPA207IDBVRCT or OPA188AIDBVT an alternative?


    Which OPAMP are realy REACH and RoHS conform without any…
  • TIDA-00637: Question about PWM Fixed Duty Cycle in EVSE Reference Guide and Demo Firmware

    Part Number: TIDA-00637

    Hello, I understand that the duty cycle of the pilot signals communicates the limit of current the EVSE is capable of supplying to the vehicle, however, I am just a bit confused about what seems to be a "fixed" duty cycle used in…

  • OPA2171: Resistor divider as voltage reference

    Part Number: OPA2171
    Other Parts Discussed in Thread: OPA4171, , OPA4991, OPA2991, OPA2990, OPA171

    Hi Team,

    We have received this inquiry from our customer,

    I have been using this opamp as well as opa2171 and opa4171 as it was advised by a member of your…

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