AD5422: FAQ

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  • AD5422 - Connecting multiple DVCC outputs together

    I want to use multiple AD5422 IC's, all with DVCC SELECT pin unconnected (use of internal LDO). Is it possible to connect all DVCC outputs together to get more current for external circuitry? Or do I…
  • AD5422: 3 pin SPI interface

    Question Regarding AD5422: Why does its SPI interface not have a chip select pin? There is a LATCH pin but it doesn't make the system SPI compatible. Without a chip select pin it impossible to…
  • AD5422: HART compatability

    Question Would you tell if AD5420/2 are HART compatible now? Some customer will integrate HART in application. But now they only have AD421 to use. If we may also promote this part to meet HART compatible…
  • AD5422: What is the role of R27 Socket in AD5422's EVB?

    Question Would you please help explain the role of R27 Socket in AD5422's EVB? Answer This is an optional resistor that can be inserted to over-range the output, this resistor is placed in parallel…
  • AD5422_SPI daisy chain reading

    Question We have some difficulties to perform the SPI-reading back for multiple chips in daisy-chain mode. They have succeeded in SPI writing/reading for a single chip and they have succeeded in SPI…

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