• LT1236-5 as negative reference ... -12V to -5V

    I have put as it is recommended in data sheet with the resistor R1 calculated as proposed. I have constant load 5kOhm which should make it even easier to calculate the proper resistance of R1 (2k) but it the output voltage Vout I get is not -5V but ~-9V…

  • LT1236 trim as negative reference

    I understand that the LT1236 can act as a negative reference by controlling the voltage drop across an external resistor placed between the negative rail and the GND pin of the LT1236. If a trimpot is placed between LT1236's VOUT, TRIM and GND pins in…

  • LT1236 NC pin

    Hi

    According to LT1236 datasheet, NC pin is connected internally. Where NC pin is connected internally ? How much the resistance is between NC and GND ? The customer measured it. One is 1.82kohm another one is only 1.57ohm. What's happened the IC ?…

  • RE: DC979A 5V reference from DC590B

    Just wanted to add that the LT1236 is powered from VIN rail and not VCC rail. But VIN is is also 5V coming out of the isolated  LT3439 transformer driver. So VIN = 5V and not enough  headroom for LT1236 to operate. So my misunderstanding of point 1 above…

  • RE: ADR02

    Hi Stefano,

    ADR02 is already one of the fastest in terms of turn on time.

    Apart from ADR02, other possible option is ADR550 and LT1236.

    Just a note that the turn on time is greatly affected by the Capacitor at the output of the part.

    Regards,

    Mon

  • RE: LTC2400, DC573A, DC590B SPI noise issue?

    Thanks for the suggestion. I've run some tests now.

    Feeding the LT1236 5V reference directly into my circuit gives around 30uV of instability, with or without the SPI bus running. If I add my 1Gohm 10:1 divider, with the SPI bus running, the instability…

  • LT1236A precision ref trimming

    Hello, I'm confused with the datasheet for trimming the 10V "A" version of LT1236. In writing on page 7 it says I need a 75k resistor in series with a 20k pot, but the circuit diagram on page 8 instead uses a 50k pot. Is this diagram correct?Which trimpot…

  • Looking for LT1236LS8 LTspice model with TRIM pin?

    Hello,

    where can I find a LTspice model for a LT1236LS8 with TRIM pin?

    The model included in LTspice has no TRIM pin.

    Thank's
    Rajko

  • TAGS LISTS: Voltage References

    LT1460
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    LT1027
    LTC1798
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    LT6660
    LH0070
    LTC6655
    AD2700
    AD2702
    AD584S
    REF01S
    REF05S
    REF10S
    REF43S
    REF02S
    AD1582
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    AD1584
    AD1585
    LT1019
    LT1236
    LTC6652
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    资料更新:
    如何为应用选择恰当的基准电压源呢?看了这篇文档你就会明白~
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