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  • ADS7854: Can I run the ADS7854 with AVDD = 3.3V?

    TI Thinks Resolved
    Part Number: ADS7854 I'm designing a battery operated medical device and I would like to run the ADS7854 with AVDD = DVDD = 3.3V and an external reference of 2.5V on pins REFIO_A / B. The datasheet specs AVDD at 4.5V min. Initial testing all looks...

  • ADS7854: INTERFACE MODE and Data Write Operation

    • Resolved
    Part Number: ADS7854 Hi all Would you mind if we ask ADS7854 ? When INTERFACE MODE changes from 32

  • RE: ADS8881: Specs for Sub-sampling

    Hello, TI does not typically characterize the SAR based converters for under sampling; at these lower input frequencies most customers prefer to use the high speed pipeline converters. The input bandwidth is largely determined by the input sampling...

  • RE: ADS7854 Problem

    Hello Jose, After looking for faults in hardware and firmware and change the number of CLKs as you told me... I replaced the IC and all started to work. Thanks for your help.

  • ADS7854: Vocm of the input driver THS4552 from ADS7854's REFIO_X

    • Resolved
    Part Number: ADS7854 Hi all Would you mind if we ask ADS7854 ? Our customer will use ADS7854

  • RE: ADS8881: Unstable interface with ADS8881

    Alex, The classic SAR ADC architecture can be used to convert input signal frequencies above Nyquist, (undersampling applications); and I have supported systems using SAR ADC's in undersampling applications many times in the past. The great majority...

  • RE: ADSxx54, PGA281 & antialiasing

    Hello Risto, The circuit driving the SAR ADC (differential amplifier + antialiasing filter) must be able to drive the ADC sampling capacitor and settle to the target voltage within the required resolution during the allowed acquisition period. Designing...

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