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Documents ADUC834: Is it possible to switch OFF the internal buffer of primary ADC?
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  • +ADuC812: FAQ
  • +ADUC814: FAQ
  • +ADUC816: FAQ
  • +ADUC824: FAQ
  • +ADuC831: FAQ
  • +ADUC832: FAQ
  • -ADUC834: FAQ
    • The ADuC834 has separate pins for analog and digital power supplies. Can I run from a split supply, for example a 3.3V DVDD and a 5V AVDD?
    • ADUC834: Can I convert a single-ended input voltage by grounding one of primary ADC diff inputs?
    • ADUC834: Can I use analog inputs on Port 1 pins for digital I/0?
    • ADUC834: Do I need external reset generator?
    • ADUC834: Does changing the PLL divider value via the CD bits in PLLCON affect the baud rate?
    • ADUC834: Driving LEDs directly from digital outputs, what pins should I use?
    • ADUC834: How do I configure the UART serial port at 9600/115200 baud?
    • ADUC834: How do I use the on-chip temperature sensor feature of the ADuC834?
    • ADUC834: I am changing ranges and I am seeing much more than 2uV gain mis-match. Why?
    • ADUC834: I want to initiate the serial downloader through the SPI port, how can I do this?
    • ADUC834: Impact of fast logic edges on analog performance
    • ADuC834: Interfacing the ADuC834 to a RTD
    • ADUC834: Is it possible to accidently write to security bits and prevent part entering download mode?
    • ADUC834: Is it possible to switch OFF the internal buffer of primary ADC?
    • ADUC834: Minimum and maximum external voltage references allowed by the ADuC834.
    • ADUC834: Overwriting the ADC factory calibration coefficients
    • ADuC834: pinout decriptions missing for CSP pins 28and 29
    • ADUC834: Should I use the internal voltage reference or an external voltage reference?
    • ADUC834: The reference input is differential. Can I use a single ended reference?
    • ADUC834: Use of PSEN pin on Microcontroller v 8051
    • ADuC834: Values of the internal pull up resistor
    • ADUC834: What are the implications of having unbuffered differential reference inputs?
    • ADUC834: What baud rates can be achieved?
    • ADUC834: What external clocks can be used? Can the PLL be bypassed?
    • ADUC834: What is lowest power consumption configuration for 10 hour sample conversion intervals?
    • ADUC834: What is the minimum time (or ADC cycles) to get a reading if the input is a step?
    • ADUC834: What's the difference between the INL spec and the noise spec on the ADC?
    • ADUC834: Why does ADC effective resolution depend on range and update rate
    • ADUC834: Why is there a different result when using internal voltage ref compared to external 2.5V ref?
    • Why does it take the ADuC834 so long to power on?
  • +ADuC836: FAQ
  • +ADuC83x: FAQ
  • +ADUC841: FAQ
  • +ADuC842: FAQ
  • +ADUC845: FAQ
  • +ADuC847: FAQ
  • +ADUC848: FAQ
  • +ADuC84x: FAQ
  • +ADUC8xx: FAQ
  • +ADUCXX: FAQ

ADUC834: Is it possible to switch OFF the internal buffer of primary ADC?

Q 

Is it possible to switch OFF the internal buffer of primary ADC? Some of the
AD77xx family
have this particular feature on board. Can I turn chopping off like on AD77xx
parts so as to
increase throughput time?

 

A 

No, it is not possible to turn off the internal buffer of the primary ADC. The
auxiliary ADC
provides an unbuffered input if required. It is also not possible to turn ADC
chopping off on the
ADuC834.

Tags: aduc8xx aduc8x aduc834
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