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PCM1738EG4 Application Field and Working Principle

The PCM1738EG4 is a special purpose general-purpose integrated circuit (GIC) designed for data acquisition (DAQ) applications. It features a wide range of signal conditioning features specifically tailored to meet the needs of static or dynamic data acquisition systems. Data acquisition systems traditionally require up to several input channels and multiple output channels, or sometimes just one or two of each depending on the application. The PCM1738EG4 addresses the data acquisition requirements of many applications by providing chirping, slicer, and multiplexing capabilities along with other signal conditioning features.

Application Fields for PCM1738EG4

The PCM1738EG4 is well-suited for use in static or dynamic data acquisition systems. In static DAQ applications, the PCM1738EG4 is used to condition the signal from a single or multiple input channels prior to being digitized. This signal conditioning can range from simple level shifting, to filtering out noise, to more complex detection and signal processing algorithms. The PCM1738EG4 can also be used in dynamic DAQ applications, where the near-real-time signal processing of the signal is necessary. The PCM1738EG4 can handle signal conditioning and signal processing tasks such as anti-alias filtering, signal gain, signal shaping, signal thresholds, and output multiplexing. It can also perform signal detection and signal separation tasks. For example, the PCM1738EG4 can be used to separate out non-steady signals from steady signals. It can also perform signal synchronization, time-domain filtering, frequency-domain filtering, time-domain integration, and frequency-domain integration.

Working Principle of PCM1738EG4

The PCM1738EG4 employs a highly-integrated design to provide the high performance and reliability needed for data acquisition applications. At its core, the PCM1738EG4 contains an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC). The ADC module performs analog-to-digital conversion of input signals, which can then be processed and converted back to analog using the DAC module. The PCM1738EG4 also contains an on-chip voltage reference, amplifiers, and multiplexers, enabling a wide range of signal conditioning features. The PCM1738EG4 can also support multiple output channels, if applicable.

The PCM1738EG4 is also designed to be very low power, requiring only 0.5 Watts at 20 mA supply current. This low power consumption makes the PCM1738EG4 suitable for use in portable or low power applications. Additionally, the PCM1738EG4 can operate over a wide range of temperatures and voltage ranges, making it suitable for use in harsh environmental conditions. The PCM1738EG4 is also designed to offer a high level of integration, requiring only a few external components for operation. The integrated design of the PCM1738EG4 makes it an ideal choice for data acquisition applications.

Conclusion

The PCM1738EG4 is a high performance, low power general-purpose integrated circuit (GIC) designed specifically for data acquisition (DAQ) applications. It offers a wide range of features that are suitable for both static and dynamic data acquisition systems. The PCM1738EG4 provides effective signal conditioning, amplifying, multiplexing, and many other signal processing functions to support the needs of these applications. Additionally, its low power consumption, wide temperature range and voltage range, and highly integrated design make it an ideal choice for data acquisition applications.

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