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MT-017: Oversampling Interpolating DACs - Analog Devices
https://www.analog.com/media/en/training-seminars/tutorials/MT-017.pdf#:~:text=Oversampling%20and%20digital%20filtering%20eases%20the%20requirements%20on,and%20has%20become%20popular%20in%20modern%20CD%20players.
AN118: Improving ADC Resolution by Oversampling …
https://www.silabs.com/documents/public/application-notes/an118.pdf
Under the correct conditions, oversampling and averaging will reduce noise and improve the n-bit ADC x(t) Input Signal Sample Frequency(fs) e[n] (Noise) x[n] x[n]+e[n] OSR Low-Pass Filter Downsample Oversample and Average (Software Accumulate and Dump) (n+w) bit …
EETimes - Multirate DSP, part 3: ADC oversampling
https://www.eetimes.com/multirate-dsp-part-3-adc-oversampling/
Oversampling rate system First-order SDM with 2-bit ADC Sampling rate = 4MHz Maximum audio input frequency = 4 kHz. Solution: Since m = 2 bits, and f s / (2 f max )= 4000 kHz / (2 × 4 kHz ) = 500. we calculate n = m + 1.5 × log 2 ( f s / (2 f max )) – 0.86 = 2 + 1.5 × log 2 (500) – 0.86 ≈ 15 bits.
Oversampling with averaging to increase ADC resolution ...
https://www.embedded.com/oversampling-with-averaging-to-increase-adc-resolution/
The oversampling approach can be applied to just about any MCU with an embedded ADC, so to see exactly how it's done, we use a 16-bit RISC-based MCU (Maxim's MAXQ2010) to demonstrate the averaging and oversampling control. The MAXQ2010 incorporates a 12-bit, 312-ksps ADC with 1 LSB of INL and DNL.
Arduino Oversampling: How to Get More ADC Bits with …
https://www.best-microcontroller-projects.com/arduino-adc-oversampling.html
Arduino Oversampling: Theoretical outputs From the table above (for 4 bit decimation) resulting in a 14 ADC output the maximum value ADC is 16383 pow (2,14)-1. and the resolution is Vref/ (pow (2,14) = 1.070125/pow (2,14) = 65.3uV This is different to the data in the table above since the table assumes Vcc as the reference.
MT-017: Oversampling Interpolating DACs - Analog …
https://www.analog.com/media/en/training-seminars/tutorials/MT-017.pdf
Oversampling Interpolating DACs . by Walt Kester. INTRODUCTION . Oversampling and digital filtering eases the requirements on the antialiasing filter which precedes an ADC. The concept of oversampling and interpolation can be used in a similar manner with a reconstruction DAC. For instance, oversampling is common in digital audio CD
24-Bit Stereo Audio Codec With 96-kHz ADC 192-kHz …
https://www.ti.com/lit/ds/symlink/pcm3010.pdf
24-BIT STEREO AUDIO CODEC WITH 96-kHz ADC, 192-kHz DAC, AND SINGLE-ENDED ANALOG INPUT/OUTPUT www.ti.com 1 FEATURES 24-Bit Delta-Sigma ADC and DAC Stereo ADC: ... Oversampling Interpolation Filter Mode Control Interface FMT0 Multilevel Delta-Sigma Modulator FMT1 DEMP0 DEMP1 Analog LPF and Buffer Amp DGND VDD SCKI PDWN
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