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  • OPA454: OPA454 status flag voltage

    Resolved
    Part Number: OPA454 Other Parts Discussed in Thread: OPA593 , FIrst, I understand from other forum posts that the status flag is actually high when asserted contrary to data sheet section 6. Section 7.5 of the data sheet specifies that in normal operation…
    • Resolved

  • OPA454: Advice on using OPA454 on a single voltage rail and configured as a Weinbridge Oscillator

    Part Number: OPA454 Currently going to use 2 x OPA454 as an amplifer, with 2 x ICL8038 sine wave oscillator signal fed into it. We have two of these circuits running at 20khz and 25khz and are totally seperate. The supply is 12v boosted to 30v for…

  • OPA454: opa454

    TI Thinks Resolved
    Part Number: OPA454 Tool/software: When I apply -10 to -30vdc to the lower XSTR collector, the output dies and the op-amp heats up. when I disconnect the Base of that -V XSTR the pulse comes back and the op-amp goes back to room temp. as of now I can…
    • Answered

  • OPA454: OPA454 simulation issues

    Resolved
    Part Number: OPA454 Hi TIer My customer use TINA simulate the OPA454 but they can not output right value. At this time, the output is always 35V. Please help me check this simulation model? Thank you very much.
    • Resolved

  • OPA454: Voltage rails and enable pin current rating

    TI Thinks Resolved
    Part Number: OPA454 Tool/software: Hello, I am looking at the supply voltage for the OPA454 and was wondering if it is okay to put 3.3V on the positive rail, and -75V on the negative rail? I see on the datasheet that it can handle +/-50V or a single…

  • OPA454: High-voltage AMP with higher bandwidth is recommended

    Part Number: OPA454 Other Parts Discussed in Thread: OPA593 Tool/software: Hi TIer My customer is designing a medical ultrasound device, a shear wave power supply, and they need a high voltage delivery with a supply voltage above 80V, I recommend…
    • Answered

  • OPA454: OPA454 safe operation area

    Resolved
    Part Number: OPA454 Hello! What is the safe operation area of ​​the OPA454 chip? Is it possible for the chip to work with a voltage drop at the output stage of 16 volts and a current flow of 20 milliamps? Best wishes, Design Engineer "PKF Polet" Ltd…
    • Resolved
    • Answered

  • OPA454: Setup for +/-4kV ESD ratings

    Resolved
    Part Number: OPA454 Hi, The datasheet of OPA454 says that the component can resist to a +/-4kV ESD Human Body Model application. Can you tell us which standard is applied in your tests? The number of pulses applied? The time between each pulse? Thanks…
    • Resolved

  • OPA454: High voltage OP with lower current consumption

    TI Thinks Resolved
    Part Number: OPA454 Dear , The customer currently solution is ADA4700, and RD also test TI OPA454. The thermal is higher than ADI Iq ADA4700 ( TYP): 1.7mA, Iq OPA454 (TYP): 3.2mA Do we have any solution to replace ADI ADA4700? Thanks & best…
    • Answered

  • OPA454: OPA454 Disable function

    Resolved
    Part Number: OPA454 Hi TI Support Team, I've a strange behaviour concerning the Enable/Disable function. I've a couple of OPA454, one is a basic non-inverting, the other is inverting ... They should drive alternatevely a load and the E/D function…
    • Resolved

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