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AMC3336-Q1:AMC3336DWE

someya
Prodigy 10 points
Part Number: AMC3336-Q1
Other Parts Discussed in Thread: AMC3336,

型名: AMC3336DWE

問い合わせ内容

本製品の絶対最大定格にて、INP及びINNピンの入力電圧範囲はHGND-6[V]~HLDO_OUT+0.5[V]とあります。

AMC3336の電源が投入される前にINP及びINNピン間に電圧が印加された場合、部品にダメージはあるのでしょうか?

データシート20頁には絶対最大定格の入力範囲を超える場合、ESDダイオードがONになると記載がありますが、

この場合ESDダイオードの制限電流以下であれば絶対最大定格の入力範囲を超えても部品にダメージはないという理解でよいでしょうか？

 

以上、宜しくお願い致します。

  • 0
    TI__Guru**** 171015 points

    Hi someya,

    Welcome to our e2e forum.  We need you to post your queries in English.

  • 0 in reply to Tom Hendrick
    Prodigy 10 points

    Due to the absolute maximum ratings of this product, the input voltage range of the INP and INN pins is HGND-6[V]~HLDO_OUT+0.5[V].

    If voltage is applied between the INP and INN pins before the AMC3336 is powered on, will the components be damaged?

    On page 20 of the data sheet, it is stated that the ESD guidelines will be turned on if the absolute maximum rating input range is exceeded.

    In this case, is it correct to understand that there will be no damage to the components even if the input range of the absolute maximum ratings is exceeded as long as the current limit other than ESD is below?

  • 0 in reply to someya
    Prodigy 10 points

    Due to the absolute maximum ratings of this product, the input voltage range of the INP and INN pins is HGND-6[V]~HLDO_OUT+0.5[V].

    If voltage is applied between the INP and INN pins before the AMC3336 is powered on, will the components be damaged?

    On page 20 of the data sheet, it is stated that the ESD guidelines will be turned on if the absolute maximum rating input range is exceeded.

    In this case, is it correct to understand that there will be no damage to the components even if the input range of the absolute maximum ratings is exceeded as long as the current limit other than ESD is below?

  • 0 in reply to someya
    TI__Guru**** 171015 points

    Hi someya,

    The ABS MAX values in the AMC3336-Q1 datasheet should not be exceeded or you could permanently damage the AMC3336.  Limiting the current to less than 10mA can reduce the likelihood of immediate damage to the device.  If there will be routine over voltage situations, you should use external protection diodes on the inputs.