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Showing 189 results View by: Thread Post Sort by
  • OPA187: OPA187 is a rail-to-rail amplifier but the output voltage swing are +/-3V

    Danilo A.
    Danilo A.
    TI Thinks Resolved
    Part Number: OPA187 Other Parts Discussed in Thread: OPA188 Hi Team, We have received this inquiry from our customer, I don't understand the OPA187's output voltage swing vs output current. Is it a rail-to-rail amplifier? This is the OPA188's, it…
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • RE: OPA2188: OPA2188 output protection

    Raymond Zhang1
    Raymond Zhang1
    Hi Jimmy, Please try the following circuit. Please check for both overvoltage and excessive current sink back to OPA188. If it does not work, we will find a better solution on Monday. 600Ohm resistor at the output of OPA188 needs to be power resistor…
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • DAC8560: DAC8560 circuit inspection

    TTG tt
    TTG tt
    Part Number: DAC8560 Other Parts Discussed in Thread: OPA188 , Dear team I use the internal reference of the DAC8560 and amplify the output to 0-5V through an op amp. Is my circuit correct? Whether the op amp OPA188 and DAC8560 are stable. Is 1nF suitable…
    • over 4 years ago
    • Data converters
    • Data converters forum
  • XTR111: VIN floating input, not connected question

    Davide Gironi
    Davide Gironi
    TI Thinks Resolved
    Part Number: XTR111 Other Parts Discussed in Thread: OPA188 Hello, I'm using XTR111 for a PCB I've built. My board can have voltage or current output. For voltage output the output of my DAC is connected to an op-amp circuit, for current output the…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA2188: OPA4188 alternatives

    Joe Nguyen1
    Joe Nguyen1
    Resolved
    Part Number: OPA2188 Other Parts Discussed in Thread: OPA188 , OPA4188 , , OPA2182 , OPA2187 We have a legacy design that uses the OPA4188. Only 2 of the 4 opamps are used. Due to part shortages, we are considering replacing the OPA4188 with the OPA2188…
    • Resolved
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: Confusions with Vib (offset voltage due to input bias current) in TI precisions Labs-Opamp

    Raymond Zhang1
    Raymond Zhang1
    Resolved
    Hello Huy, Yes, you may, but the dominant error factors are from the voltage offset errors. In problem 2: Vos=72.67uV and Vib=7.46pA, Vout=72.67uV*3 + 7.46pA*200k=219.5uV, which is agreed with simulation. In addition, the Ib bias current is only contributed…
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • OPA4387: OPA4387 Linearity

    Jonathan Olson
    Jonathan Olson
    Resolved
    Part Number: OPA4387 Other Parts Discussed in Thread: OPA4388 , , OPA333 , OPA388 , OPA387 , OPA4376 , OPA189 , OPA187 , OPA188 , OPA186 , OPA182 I'm working on an update to a design that uses the OPA4388, hoping to use OPA4387 as an upgrade but i am…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • OPA2180: recommended alternative product

    Taito Takemura
    Taito Takemura
    TI Thinks Resolved
    Part Number: OPA2180 Other Parts Discussed in Thread: OPA2377 , OPA2376 , OPA2188 , , OPA2325 , OPA2397 , OPA2392 , OPA2387 , OPA2182 , OPA2187 , OPA180 , OPA188 Hi experts, Q1. Could you please tell me your recommended devices that is alternative…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: OPA277: If there have some the solution to absorbs the glitch from OP-amps by NPN and resistor?

    Hao(SH) Zhang
    Hao(SH) Zhang
    Resolved
    Hi Thomas and Kai, I just know that customers don't have PD glitch issues when using the OPA188, why does the OPA277 have a glitch issue and the OPA188 have not? Hao
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • RE: LM741: Ibias specification

    Ron Michallick
    Ron Michallick
    Resolved
    Massimo, This chart comes from OPA188 data sheet that states a 6uV typical (mean) while disregarding polarity otherwise mean would be 0uV
    • over 5 years ago
    • Amplifiers
    • Amplifiers forum
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