AD7190: FAQ

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  • AD7190 and oscillation issues (SR#: 1238093)

    Q When the overvoltage is negative, the output conversions oscillate from 000000hex to FFFFFF hex. But when the overvoltage is positive, no oscillations occurs. A Reasons and work-around…
  • AD7190: How can we combine several ADC on one bus?

    Question How can we combine several AD7190 on one bus? i e. how can we make an incoming interrupt for the uC, when one of several ADC's has data to read from? Answer If you use several ADC's on the same…
  • AD7190: How to connect MCLK Pins if using the internal clock.

    Question I am using the internal Clock. If the Pins MCLK1/MCLK2 of the AD7190 are not used, could these pins be connected to GND? Answer I checked this query with the design engineer and he stated that…
  • AD7190: Internal clock power up time

    Question In single conversion mode, the on-chip oscillator of AD7190 requires 1 ms approximately to power up. If the customer uses external crystal or clock,does the part still need a power up time? And…
  • AD7190: Tolerate Overvoltage

    Question Can the parts tolerate the 60V overvoltage if the input current is limited to ~6mA by using a 10kOhm resistor ? Does this have any impact to the specs ? Will the aging be faster ? (According…
  • AD7190_gain of 2 and gain of 4 setting

    Question I checked AD7190 datasheet's gain. Why 001 and 010 was reserved? It can not be set *2 and *4? Please help to clarify it and thanks a lot in advance! Answer The AD7190 has gains of 1, 8, 16,…
  • AD7190AD7714AD7793_ESD rate

    Question There are some customers said that the ESD performance of AD7190 is not as well as previous parts such as AD7793 and AD7714 on ADI China's BBS. Do you have the ESD parameter for these parts…
  • EVAL-AD7190EBZ Win7 64-bit issue resolution

    Question When trying to install the Evaluation SW for EVAL-AD7190EBZ, the USB drivers have not been installed under Win7 64-bit. How to resolve the issue? Answer 1. Make sure you downloaded the latest…
  • Offset & full-scale registers of AD7190

    Question I use an AD7190 in a Gaschromatograph and I am satisfied with this converter. Now I want to know something special: can you describe how offset register and full-scale register work together…

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