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  • RE: LT1009: single refrenece for multiplle A/Ds usage

    Hi Tsahi, What kind of issues are you seeing? Have you tried referencing only one ADC at a time? Is it possible to share parts of the schematic? I do recommend using a newer part like the LM4040 or LM4040-N that shows more support for ADC applications…
    • Answered

  • LM4040: whether pin1 and pin 2 have any connection to pin 3

    Resolved
    Part Number: LM4040 Hi Team, Please help to confirm LM4040-N, whether pin1 and pin2 have any connection to pin3 inside the chip? Because we found 1 pcs pin3 short to pin2. Is it normal? Any EOS will cause this symptom? Thanks
    • Resolved
    • Answered

  • RE: LM4041A12: Resistor Values

    Resolved
    Hi Laura, Thank you for bringing this to our attention. For the LM4041 the FB input gate is a PNP instead of a NPN like on TL431 devices. Due to this the R2 and R1 values are flipped on the equation. Pg 12 on the datasheet for LM4040-N goes over a little…
    • Answered

  • RE: LM4040D50: Bypass capacitor (CL) size of voltage reference

    Resolved
    Hello Satoshi, The LM4040D50 is designed to be stable with all capacitive loads. The LM4040DIM3-5.0 is different from the LM4040D50. The LM4040D50 ( http://www.ti.com/product/LM4040D50 ) is the Texas Instruments version of the device, while the…

  • RE: TL431: Ageing and radiation drift for worst-case analysis in aerospace

    Hi Antonio, Apologies for the second response. The LM4040 and LM4050 devices have long-term drift information on their datasheets. Please see the links below for their product folders: https://www.ti.com/product/LM4040 https://www.ti.com/product…
    • Answered

  • TMS320F2806x ADC external reference.

    Resolved
    Other Parts Discussed in Thread: LM4040-N Hello, Q1: TMS320F2806x has following ADC specification on the datasheet page 88. Please advise the accuracy of external reference to guarantee “Overall gain error with external reference: -40LSB min…
    • Resolved
    • Answered

  • RE: I would like to simulate a 10v reference type LM4040a10 in TINA V10 (not TI TINA) is there a spice model available ?

    Resolved
    Alan, I believe that you can use the TINA-TI model for the LM4040_NA10P0 device in TINA V10. Please look here: http://www.ti.com/product/LM4040-N/toolssoftware You can use the .TSC file or download the .TSM file from the .zip file and use the Insert…

  • RE: LP5907 - Negative voltage equivalent

    If you want low noise LDO the TPS72325DBV might work. Fixed output -2.5V, in SOT-23 package Otherwise, if current requirment is minimal, you might want to consider using a 2.5V Shunt Voltage Regulator (i.e. zener) such as LM4040AIM3-2.5/NOPB, or TL4050A25IDBZT…
    • Answered

  • RE: LM4041N Adjustable and the LM4040D Models

    Resolved
    Hi John Our standard model releases are in PSPSICE or TINA-TI. If you would like to import the models into any other simulator, you will need to do so with an unencrypted model we send you under selective disclosure. can you provide whether you want…

  • LM4050-N-Q1: About capacitive load and inrush current of LM4050

    TI Thinks Resolved
    Part Number: LM4050-N-Q1 Other Parts Discussed in Thread: LM4040 , Hi team, My customer use LM4050 to replace Diodes LM4040. Input voltage is 6.5V, input resistor is 150 ohm. They connect 2 22uF capacitor at output node. In Diodes LM 4040's experiment…

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