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Showing 17 results View by: Thread Post Sort by
  • Delta-sigma ADC digital filter types

    Brian Pisani
    Brian Pisani
    Other Parts Discussed in Post: ADS1220 , ADS127L01 Have you ever wondered how delta-sigma analog-to-digital converters (ADCs) can get such fine resolution across a variety of bandwidths? The secret lies in the digital filter. Delta-sigma ADCs are different…
    • over 9 years ago
    • Archives
    • Precision Hub
  • Delta-sigma ADC digital filter types: Wideband filters

    Brian Pisani
    Brian Pisani
    Other Parts Discussed in Post: ADS127L01 In my last blog post, I talked about sinc filters and their unique relationship with delta-sigma analog-to-digital converters (ADCs). I explained that sinc filters are great for applications with low bandwidth…
    • over 9 years ago
    • Archives
    • Precision Hub
  • Delta-sigma ADC digital filter types: sinc filters

    Brian Pisani
    Brian Pisani
    Other Parts Discussed in Post: ADS1248 In my last post , I talked about the different types of digital filters commonly used in delta-sigma analog-to-digital converters (ADCs). In this post, let’s focus on the most common type of digital filter used in…
    • over 9 years ago
    • Archives
    • Precision Hub
  • Delta-sigma ADC basics: Understanding the delta-sigma modulator

    Joseph Wu
    Joseph Wu
    The ΔΣ ADC is constructed from a ΔΣ modulator and a digital filter. The modulator converts the analog input into a digital bit stream, while the digital filter translates the bit stream into a data word that represents the magnitude of the analog input…
    • over 10 years ago
    • Archives
    • Precision Hub
  • The impact of voltage reference noise on delta-sigma ADC resolution

    Christopher Hall
    Christopher Hall
    Other Parts Discussed in Post: ADS1259 Have you ever evaluated the noise performance of an ADC and found that your measured performance differs from the specified performance given in the device datasheet? Achieving high resolution in a precision data…
    • over 9 years ago
    • Archives
    • Precision Hub
  • Delta-sigma ADC basics: Walking around the delta-sigma blocks

    Christopher Hall
    Christopher Hall
    In the first two posts of the delta-sigma (ΔΣ) analog-to-digital converter (ADC) basics blog series, we have discussed the two basic building blocks used in ΔΣ ADCs: the modulator and the digital filter. You’ll encounter many other integrated circuits…
    • over 10 years ago
    • Archives
    • Precision Hub
  • Delta-sigma ADC basics: How the digital filter works

    Joseph Wu
    Joseph Wu
    Designing with a delta-sigma analog-to-digital converter can help achieve the highest possible resolution in your system. But to maximize this architecture’s benefits, it helps to understand how the delta-sigma modulator and digital filter in the ADC…
    • over 10 years ago
    • Archives
    • Precision Hub
  • My New Year’s Resolution: Benefit from the high resolution delta-sigma ADCs

    Bryan Lizon86
    Bryan Lizon86
    Three… two…one…happy New Year! As the fond memories of 2014 give way to the exciting possibilities of 2015, many people begin the New Year by making resolutions: some modulate their junk food intake; others filter out a bad habit; a few even integrate…
    • over 10 years ago
    • Archives
    • Precision Hub
  • The delta-sigma advantage to anti-aliasing filters

    Ryan Andrews
    Ryan Andrews
    My last post introduced the concept of signal aliasing and how it manifests itself in data-acquisition systems. When out-of-band signals alias into the passband, they overlap lower frequency content and mask the true signals you’re trying to measure.…
    • over 9 years ago
    • Archives
    • Precision Hub
  • Using delta-sigma modulators for isolated high-voltage measurements

    Jose Duenas
    Jose Duenas
    Many applications, such as motor drives and power inverters, require isolated measurements of both current and voltage. Although optimized for current sensing applications, TI’s isolated delta-sigma modulators enable high-performance voltage measurements…
    • over 10 years ago
    • Archives
    • Precision Hub
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