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Forum Post: ADS7881: Driving ADS7881 by high-speed optocouplers

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Part Number: ADS7881 Hi, Since isolation of 2500Vrms is needed between the digital module and the analog module , we use high-speed optocouplers - ACSL-6400. The optocoupler drive the A/D Digital inputs and the optocoupler "Output Rise Time" is 35ns Is it OK to drives the A/D Digital inputs so slow? Thanks in advance Rozi

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