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What is the internal pull-up resistance of SDO in ADGS1414D?

Thread Summary

The user inquired about the current consumption of SDI during communication and the internal pull-up resistance of SDO in ADGS1414D. The support engineer confirmed the internal pull-up resistor is 1k Ohm and directed the user to the Power Requirements section for SDI current consumption. The user then observed waveform issues at higher SPI frequencies (5 MHz, 12.5 MHz, 25 MHz) in Daisy chain mode, with SDO voltage dropping significantly. The engineer suggested checking for parasitic capacitances and recommended verifying t8, t9, t10, and load capacitance parameters from the datasheet.
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Category: Hardware
Product Number: ADGS1414D

1. How much current does SDI consume when communicating?

2. How much is the internal pull-up resistance of SDO in ADGS1414D?

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