ADC1115S125HN/C1,5

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Analog-to-digital converters (ADCs) are devices that convert a continuous voltage or current input signal into a digital output code representative of the analog input signal.One such device is the ADC111S125HN/C1.5, which is a precision analog-to-digital converter (ADC) that converts a single ended or differential input voltage into a 12-bit digital word with an output rate of up to 500 kilosamples per second. It is also a low-cost, low-power ADC that utilizes a low-power CMOS process and/or a single-supply operation.

Application Field

The ADC111S125HN/C1.5 is ideal for various precision data acquisition applications, such as data communications, industrial process control and instrumentation. It can be used in a variety of communication transceivers for radio frequency (RF) and infrared (IR) communication applications. It can also be used in digital servo-control applications that require highly accurate analog-to-digital conversion, such as closed loop PID control systems. It is also suitable for bio-medical and audio applications such as electrocardiogram (ECG) monitoring, brain wave monitoring, and audio recording.

Working Principle

The ADC111S125HN/C1.5 operates by converting the analog input signal into a digital representation using a successive-approximation register (SAR) conversion method. The device includes an internal reference voltage which is used to set a range within which the ADC will accept input signals. When the input analog signal crosses the reference voltage, the SAR generates a logic high or low signal, depending on whether the voltage is above or below the reference voltage. This logic signal is compared to the suc-cessive-approximation register (SAR) to determine the digital representation of the analog input. The device then outputs a 12-bit digital word that corresponds to the analog input voltage. That is, the device takes the analog input and converts it into a digital word that can be used in digital signal processing (DSP) applications.

The ADC111S125HN/C1.5 utilizes a differential input architecture to improve the dynamic performance of the device. This differential architecture ensures improved linearity over the operating range and increases the resolution of the device. It also allows the ADC to be operated at higher input frequencies. Additionally, the device includes a low-power sleep mode that allows it to enter a low-power state when it is not being used, thus extending the battery life of the device.

The ADC111S125HN/C1.5 also features an improved EMI immunity, allowing the device to be used in harsher environments. The device includes internal voltage and temperature monitors that enable improved system monitoring capabilities. Additionally, the device includes integrated test modes that can be used to configure the device and verify its functionality. Finally, the device includes an integrated microcontroller interface that enables easy control and configuration of the device.

The ADC111S125HN/C1.5 is a single-supply precision analog-to-digital converter (ADC) with a wide input voltage range of up to 5V. It is suitable for a wide range of precision data acquisition applications, and its low-power operation makes it ideal for battery-powered applications. It has integrated monitoring and test modes as well as an integrated microcontroller interface. Additionally, it features an improved EMI immunity and a differential input architecture to improve its dynamic performance.

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