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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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共模瞬态抑制是指输入/输出共模电压的最大容许上升(下降)速率,在该速率下可维持指定的高(低)电平。光耦在输入与输出端之间具有较小的电容(0.6至0.8pF)。当输入端子与输出端之间突然发生电压变化时,通过该电容产生的位移电流流入光电检测器芯片电路,最终导致故障。在高速和高灵敏度光耦中,可能会更清楚地感觉到这种现象。对于晶体管耦合器,由于其器件响应能力比IC耦合器的响应性低大约几倍到几十倍,因此这种现象不太可能轻易显现出来。