LMP90080MH/NOPB

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Data acquisition plays a critical role in the development of embedded solutions and systems. Based on the different nature of the signals to be acquired, there are two main categories of data acquisition systems: analog front-ends (AFEs) and digital front-ends (DFEs). Analog Front Ends (AFEs) are analog-to-digital converters (ADC) used for capturing and converting electrical signals to digital form.

LMP90080MH/NOPB Application Field and Working Principle

The LMP90080MH/NOPB is a low-power, monolithic, 16-bit, analog-to-digital converter (ADC) designed specifically for applications requiring low power consumption, wideband signal acquisition, and system cost optimization. It is suitable for a variety of high-speed and low-power applications, such as medical imaging, automotive hardware diagnostic systems, point-of-care systems, multi-channel data acquisition and portable instrumentation.

The LMP90080MH/NOPB operates according to a successive approximation (SAR) architecture. The input signal is first compared with a reference voltage generated by the internal reference DAC. Depending on the comparison results, the SAR logic switches the input multiplexer to the next most significant bit (MSB), and then the whole procedure is repeated until a digital value representative of the input is obtained. During the process, the internal reference DAC is continuously adjusting the reference voltage to reduce the difference between the input and the reference voltage, until the voltage difference is almost zero.

The LMP90080MH/NOPB has a dedicated high-speed reference system to achieve high throughput and low-power operation. This allows the ADC to achieve accurate 16-bit resolution with low sample-and-hold (S&H) time. The LMP90080MH/NOPB also provides built-in power optimization features to further minimize the power consumption. It includes current-driven output coding, flexible power management, and power-down modes.

The LMP90080MH/NOPB is a high-precision AFE designed for fast, noiseless data acquisition. Its low power consumption enables it to be used in a variety of applications such as medical imaging, automotive hardware diagnostic systems, point-of-care systems, multi-channel data acquisition, and portable instrumentation. The LMP90080MH/NOPB is designed to acquire 16-bit resolution data with low sample-and-hold time. Its high-speed reference system enables accurate and low-power operation. Additionally, it also provides built-in power optimization features, current-driven output coding, and flexible power management for further power savings.

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