LM98513BCMT/NOPB

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Data acquisition is used to capture and store information about environment or mechanical devices in digital form for further analysis. Analog Front End (AFE) plays an important role in data acquisition by allowing signals from the environment to be captured, conditioned and represented as digital values. One of the most widely used AFEs is the LM98513BCMT/NOPB, due to its high performance and low power consumption. In this article, we will look at the LM98513BCMT/NOPB application field and its working principle.

The LM98513BCMT/NOPB is a multi-channel low-power analog front end optimized for a wide range of data acquisition and imaging systems. It features selectable input sources, choppers and filters, multiple-output amplifier stages, and programmable gain and offset. The device supports a full range of data acquisition systems, such as smart cameras, magnetic sensing, environmental sensors, and medical imaging. Additionally, it enables two simultaneous conversions (digital and analog) of the same signal.

The LM98513BCMT/NOPB’s working principle starts with the input stage, which features six differential/single-ended input sources and a single-ended reference. The differential inputs can be either sourced from an external sensor, such as a thermistor or strain gauge, or routed internally from the multiplexer. Either of these can be further conditioned by the chopper and filter. The device allows for multiple outputs, such as Digital, Signal Amplifier (SMA) and Analog Outputs (AO). The digital output is used for controlling the output of the SMA, which is used for further amplification. The AO is used for representing the output of the input stage in analog form.

The AO can be used for further conditioning and processing, such as feedback loops and summing. The Feedback Loop consists of the Differential Inputs, Digital Outputs, and the reference source. The loop can be used to amplify, offset and control the input signals. The Summing Block consists of the two differential inputs, the multiplexer, the Digital Outputs and the reference source. This block allows the user to sum two input signals and route them through the Digital Outputs.

Finally, the device features Programmable Gain and Offset. This allows the user to set the gain and offset to any desired value and adjust it on the fly. This ensures that the user can use the device in a wide range of applications, from low level signals from environment sensors to high level signals from medical imaging systems. Additionally, the device is capable of calibrating itself when needed, improving measurement accuracy.

In conclusion, the LM98513BCMT/NOPB is an advanced data acquisition device optimized for a wide range of applications. Its numerous features, such as its high performance, low power consumption, and multiple outputs, make it a great choice for data acquisition applications. Further, its flexible architecture and programmable gain and offset allow it to be used in a wide range of applications, from environmental sensors to medical imaging systems. Additionally, its calibration capabilities ensure improved accuracy and measurement repeatability.

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