ADAS3022BCPZ

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A Data Acquisition system helps in the retrieval of data from one or more sources and the transformation of this data into a standard format. An Analog to Digital Converter (ADC) is a crucial component of such a system as it will convert analog signals to digital data so that signals can be accurately interpreted and manipulated. ADAS3022BCPZ is a precision Analog to Digital Converter featruring a 24 bit sigma-delta ADC with programmable gain and low power operation. It is a highly integrated, single-component solution, ideal for use in applications such as medical, audio, or industrial control.

Application Field of ADAS3022BCPZ

ADAS3022BCPZ is a high performance Analog to Digital Converter which is capable of achieving 24 bit resolution. It was designed for use in applications requiring high resolution, low noise and low power consumption. It is widely used in medical, audio, and industrial control applications. Specifically, the ADAS3022BCPZ is used for acute patient monitoring, sound recording and playback, as well as for industrial process control.

Working Principle of ADAS3022BCPZ

The ADAS3022BCPZ Analog to Digital Converter has a two-stage architecture. The first stage of the ADC is a dual-full-scale Sigma-Delta modulator. This modulator samples input signals and quantizes them with linearity with an effective resolution of over 20 bits. The output of this modulator is converted to a digital bitstream via a digital decimation filter. The output of this filter is then input to an asynchronous serial interface. The ADAS3022BCPZ also includes an integrated low-distortion programmable amplifier that can be used to accurately amplify input signals of different amplitude levels. This makes the ADC capable of accurately converting signals of different voltage levels without need for a separate amplifier.

The modulator contains both a full-scale modulator and a comparison modulator. The full-scale modulator samples input signals and quantizes them to a resolution which is determined by the number of bits in the modulator. The compare modulator is used to compare the output from the fullscale modulator with a reference signal. The difference between the two values is then used to control the transfer of the digital bitstream to the asynchronous serial interface.

The converter also features a programmable gain amplifier that allows the gain of the input signal to be adjusted to match the level of the digital output. This ensures that the ADC can process signals of different voltage levels without need for a dedicated amplifier. Additionally, the ADAS3022BCPZ also includes PowerSense low power operation modes, allowing it to reduce power consumption by up to 25% in standby mode.

To summarize, the ADAS3022BCPZ is a highly integrated Analog to DigitalConverter, designed for low noise and low power operation. It features a 24-bit sigma-delta modulator with a programmable gain amplifier and asynchronous serial interface. The ADC is ideal for applications such as medical, audio and industrial control.

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