IDTADC1115S125HN-C18

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Analog to digital converters (ADC) are important components that convert continuous analog signals into discrete digital signals. The IDTADC1115S125HN-C18 is an example of an efficient converter. This article provides an overview of its features and its application fields, as well as its work principle.

Features

The IDTADC1115S125HN-C18 is a 16-channel, 14-bit ADC with integrated sample-and-hold (S&H) amplifiers. It has excellent differential linearity and offers fast throughput rates, making it suitable for data acquisition, instrumentation, and medical imaging applications. The ADC is designed to offer a wide range of operation conditions, including sample and hold time, hold current, offset current, and supply voltage.

The ADC operates from a single 2V to 5.5V supply and integrates several useful features including an integrated temperature sensor, a power-down mode and low glitch power. It also has on-chip reference and reference buffers, allowing for easy interface and compatibility with common Micro Controller Units (MCUs). Additionally, it features a low-power, low-power up/down-count Digital-to-Analog Converter (DAC) to facilitate self-calibration.

Application Field

The IDTADC1115S125HN-C18 is suitable for a range of environments, making it suitable for a wide range of applications. This includes medical imaging, scientific instrumentation, data acquisition, signal conditioning, and low-voltage energy harvesting. Moreover, it is suitable for applications in audio/video and displays, communications, and industrial measurement and control.

Working Principle

The IDTADC1115S125HN-C18 works by first sensing and acquiring the source signal, amplifying it, and then converting it into a digital representation. To do this, the ADC first uses the integrated sample-and-hold (S&H) amplifiers to sense the level of the signal being converted. This is done by amplifying the signal and then storing it until the analog-to-digital conversion process is complete.

Once the signal is amplified, it is then fed into a Low-Noise Amplifier (LNA) or signal-conditioning circuitry. This is used to filter any unwanted noise or signal distortion so that the signal can be accurately represented. The signal is then sent directly to an analog-to-digital converter. This stage is where the signal is converted from its analog form to digital form by comparison with an analog reference signal.Once converted, the signal is output in a digital format and is ready to be used.

Overall, the IDTADC1115S125HN-C18 is a powerful, efficient ADC with integrated sample-and-hold amplifiers. Its wide operating range and excellent linearity make it suitable for a variety of data acquisition, instrumentation, and medical imaging applications. Moreover, its low-power and low-glitch design make it ideal for low-voltage energy harvesting-based applications.

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