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  • REF3440: Change point

    Resolved
    Part Number: REF3440 Tool/software: Hi team, The revision history says "Update values" in Rev.D, but which values were updated? I can't see any changes even after looking at page 12. Best regards,
    • Resolved
    • Answered

  • REF3440: TEMPCO and Output Voltage Accuracy vs Temperature - Narrower Temperature Range

    Resolved
    Part Number: REF3440 Other Parts Discussed in Thread: REF54 , REF50E , REF70 Tool/software: Hi there, I understand that the Temperature Coefficient is guaranteed to be <6ppm for this device. I require at least 3ppm (for my narrower temperature range…
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    • Answered

  • REF3440: Extension of current capability by using a parallel resistor

    Resolved
    Part Number: REF3440 Other Parts Discussed in Thread: REF2041 , , ADC128S052-Q1 As stated in the datasheet, the REF3440-Q1 can deliver 10 mA at 4.096 V output. In my application, I need some mA additional current. As the REF3440-Q1 can also sink 10…
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    • Answered

  • REF3440: REF3440TIDBVR

    Resolved
    Part Number: REF3440 Hello. I am trying to find a suitable second source for our existing design without having to change the layout. The REF3440T looks like it might be suitable, but please see the attachment to see if this circuit can be used for our…
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  • REF3440: REF3440 negative voltage output?

    TI Thinks Resolved
    Part Number: REF3440 Dear TI: We need -4.096V reference voltage, Can REF3440 output -4.096V not add amplifier? I find LT6654 can output -4.096V directly. please give some advice, thanks !
    • Answered

  • REF3440: DBV package thermal resistance PCN question

    Resolved
    Part Number: REF3440 Other Parts Discussed in Thread: REF34-Q1 Hi staff DBV package thermal resistance PCN question The customer was listed in the Before Revision F data sheet Designed with thermal resistance. RΘJB = 29.6 ℃/W, ψJB = 29.1 ℃/W　（ex:…
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  • REF3440: Please help share the low frequency noise(f=0.1Hz to 10Hz) test equipment which we used

    Resolved
    Part Number: REF3440 Hi Team, There is a good new that we could DIN REF3440 ! And there have one thing need your support! Customer ask: 1. What the low frequency noise(f=0.1Hz to 10Hz) test equipment which we used. In REF3440 DS, it used below…
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    • Answered

  • REF3440: Use of the 'NC' pin

    Resolved
    Part Number: REF3440 Hi, In regards to the 'S' version of the device (REF34xxS-Q1), the 'NC' pin in the datasheet is listed as 'Test pin, connect from 0V to 18V'. In the layout example on the datasheet, there is shown a trace coming out of this pin…
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    • Answered

  • REF3440: ADS8885 ref voltage

    Resolved
    Part Number: REF3440 Other Parts Discussed in Thread: ADS8885 , , OPA333 Hi, could you please review our ref voltage circuit for ADS8885? Thanks! Best regards, Alen
    • Resolved

  • REF3440: Enhanced Product: reliability reports missing

    TI Thinks Resolved
    Part Number: REF3440 Other Parts Discussed in Thread: REF3425-EP , , , REF5040-EP Dear TI support team, I am looking for the reliability reports of the voltage references REF3425-EP and REF3440-EP. Since they are not online and also not selectable as…

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