ADS124S08IRHBR

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The ADS124S08IRHBR is an 8-channel, high-resolution, Sigma-Delta, 24-bit Analog-to-Digital Converter (ADC). It provides a single-supply, low voltage operation for a wide range of data acquisition systems, especially designed for industrial process control, automotive infotainment, and industrial automation applications. This ASIC also integrates data validation and self-diagnostics features for system robustness. The advanced data sampling techniques and powerful DSP algorithms used by it allow for the accurate and reliable conversion of analog signals over a wide dynamic range.

The ADS124S08IRHBR supports both 16 and 24-bit conversions, providing a fast conversion rate of up to 20 kHz. It also offers a flexible input stage, including a programmable gain amplifier, as well as digital filter and calibration functions. It is capable of handling analog signals of up to ±15V and consumes only 10mA of current at a single supply voltage of 3.3V, making it an ideal choice for low power applications. The use of complementary metal oxide semiconductor (CMOS) technologies makes it highly reliable and cost-effective.

The ADS124S08IRHBR is particularly suited for applications involving high-resolution, multiplexed or low-frequency signals, such as measurements of temperature, pressure, strain, or voltage. It can also be used in automotive applications such as virtual instrumentation, on-board diagnostics, and safety systems. The device can process a wide range of frequencies, up to 1.2 MHz, and has a high linearity over the entire frequency range. Its robust design also enables it to work in harsh environments, including automotive, process control, and medical applications.

The ADS124S08IRHBR is equipped with low noise pre-amplifiers, a high-resolution sample-and-hold (SH) processor, an ADC with fast conversion times, and a digital filter. It also offers an input multiplexer, an on-chip temperature sensor and a programmable voltage reference, making it an ideal choice for applications where a high degree of accuracy is needed. The device also provides an internal clock for synchronization of multiple conversions. In addition, it has selectable oversampling modes, enabling it to achieve high resolution and noise isolation, as well as for error correction.

The working principle of the ADS124S08IRHBR is based on its multi-level sigma-delta architecture, which is a continuous-time sampling technology. The device first performs analog-to-digital conversion by sampling the analog input at the sample-and-hold module and then performing a low-pass analog filter. After conversion, the data is filtered and subjected to a decimator and low-pass filter, which are optimized to provide an extremely high resolution and dynamic range. Finally, a digital logic block takes the output and processes it, including calibration, data validation checks, and error correction.

The ADS124S08IRHBR provides an efficient and reliable way of converting a variety of analog signals, including temperature, voltage, pressure, and strain, into a digital format suitable for microprocessor controlled systems. The device is highly reliable and accurate, making it an ideal choice for various industrial and automotive applications. With its low noise pre-amplifiers, high-resolution SH processor, and the ability to generate precision digital output, it is sure to meet the requirements of any data acquisition project.

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