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Documents The AD7380 has an on chip oversampling, Why is there a need for an oversampling?
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    • The AD7380 has an on chip oversampling, Why is there a need for an oversampling?
    • The AD7380(AD738x) a 16-bit resolution ADC throughput rate is at 4MSPS. When resolution boost is enable allowing 18-bit conversion result. With the additional 2-bits, does the AD7380 would still able to maintain the throughput rate at 4MSPS?
    • The conversion result of the AD738x family generics is clocked-out in the SDOA and SDOB pins. In the typical schematic, these pins have a 100ohm resistor connected going to the digital interface. Can I connect this pin directly without the resistor?
    • FAQ(AD7380): The AD7380(AD738x family) ADC has an on-chip buffered 2.5V reference. Can this internal reference be use to supply external circuitry?
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The AD7380 has an on chip oversampling, Why is there a need for an oversampling?

Question:

The AD7380 has an on chip oversampling, Why is there a need for an oversampling?

Answer:

Oversampling has been a known method of processing conversion result to improve ADC performance for SAR ADC. Putting the oversampling process internally to the AD7380 will have a faster processing time of an oversampled conversion result as compared to performing in the microcontroller which will add processing time and memory, and at the same time it further improves the AD7380 performance.

  • simultaneous sampling
  • adc
  • AD7381
  • AD7380
  • Dual channel
  • oversampling
  • differential adc
  • differential input
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