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Showing 32 results View by: Thread Post Sort by
    Answered
  • REF2033: Output behavior when EN = 0

    Dominic Ryan87
    Dominic Ryan87
    Resolved
    Part Number: REF2033 Hi, In the datasheet for this device there is the following statement: "The REF20xx can be placed in a low-power mode by pulling the ENABLE pin low. When in shutdown mode, the output of the device becomes high impedance and the…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • REF2033: USE Vbias for ADC reference

    user6060721
    user6060721
    TI Thinks Resolved
    Part Number: REF2033 Other Parts Discussed in Thread: REF1933 , Hi, I need a 1.65v voltage for ADC reference voltage. REF2033,REF1933,REF20 can output 1.65v, but in description,1.65v is Vbias for the input bipolar signals. Can I use Vbias for the ADC reference…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • REF2033: Problem with the EN pin of REF2033

    Fabio Lo Gerfo
    Fabio Lo Gerfo
    Resolved
    Part Number: REF2033 Hi, I would like a technical support for my application. In my application i use a REF 2033 with Vin=5V and I would like enable/disable it using a programmable system. On the datesheet i see that the device is in shutdown mode (EN…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • REF2033: th doubt of the dropout voltage of ref2033

    suyi suyi
    suyi suyi
    TI Thinks Resolved
    Part Number: REF2033 The dropout voltage of ref2033 is 600mV maximum as followed but,the value is 340mV when it is in -40℃~125℃. So,i have a doubt that there are two different value in its datasheet,and what's the value of its dropout voltage actually…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • REF2033: Dropout on VBIAS output

    Evan Cornell
    Evan Cornell
    Resolved
    Part Number: REF2033 Hello, on REF2033, if I only plan to use the VBIAS output to get very stable +3.3V/2 voltage and not the VREF output, can I power directly from +3.3V and not have to worry about dropout effect on the VBIAS output? Thanks!
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • REF2033: Turn on time

    Gl
    Gl
    Resolved
    Part Number: REF2033 Datasheet lists 500us Ton yet signal Fig.29 settling 1% <1us @100us/Cm scope grid. What is the turn on delay time In to Out? How on earth did it require 500us to power the output to 1% settling (3v3)? Seemingly the datasheet misprints turn…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • REF2033: Very noisy ADC output compared to using MCU internal 3v3 refrence

    Gl
    Gl
    Resolved
    Part Number: REF2033 Other Parts Discussed in Thread: TM4C1294KCPDT , Hello we are capturing far to many PWM pulses on output pin 5 and wonder if bypass C104 or sourcing AGND from VIA's may lead to poor PWM noise rejection? Notice C57 & C52 are required…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • REF2033: altium footprint

    Handenur Caliskan
    Handenur Caliskan
    Part Number: REF2033 Hello, May I have the schematics model and footprint of REF2033 for altium designer? It was not included in altium's library files for TI voltage references. Thank you, Handenur
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LM4051-N: LM4051AIM3-ADJ simulation

    Shridhar%20More
    Shridhar%20More
    Resolved
    Hello Allen, The PSpice model for REF2033 is available under "Design tools & Simulation" tab on REF2033 product folder. You can access this at https://www.ti.com/product/REF2033?keyMatch=&tisearch=search-everything&usecase=partmatches#design…
    • 6 months ago
    • Power management
    • Power management forum
  • Answered
  • REF2033: provide common mode voltage for an ADC

    xyz xyz
    xyz xyz
    Resolved
    Part Number: REF2033 Other Parts Discussed in Thread: TLVH431 Hello I have an ADC driver. the supply is 5V and the Vcm (common mode voltage) should be 1.65V. usually the common way to provide the Vcm is, using a voltage divider with two 1K resistors and…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
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