ADC081S051CISDX

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The ADC081S051CISDX is a low power, 8-bit monolithic analog-to-digital converter (ADC) with a wide operational voltage range. The ADC081S051CISDX operates on a single 2.7V to 5.5V supply and is capable of converting 8-bit analog inputs with a resolution of up to 96dB. The ADC081S051CISDX has a sampling rate of up to 100ksps, and its low power consumption makes it suitable for portable applications. In this article, we\'ll discuss the application field and working principle of the ADC081S051CISDX.

The ADC081S051CISDX is a low power, high performance data acquisition (DAQ) device that is applicable to a wide array of applications. It is suitable for applications such as battery-operated and hand-held devices, portable medical equipment, home audio systems and automotive electronics. The ADC081S051CISDX is also used in embedded systems requiring low power consumption. The device offers 8-bit resolution and up to 60ksps of concurrent sampling without sacrificing accuracy.

The input range of the ADC081S051CISDX is from 0V to 5V, and its input impedance is 100kΩ. The device can also support single-ended and differential inputs, with a common mode voltage of 0.6V and a maximum input range of ±2V. The ADC081S051CISDX has an onboard multiplexer, allowing up to 8 simultaneous input pins. It has an onboard reference voltage for calibration, with a maximum precision of ±3mV.

The ADC081S051CISDX has a low quiescent current of 12μA at 3V, making it suitable for low power applications. Its standby mode current is only 5μA at 3V, making it even more energy-efficient. The device is also capable of 6μA/channel, offering a high degree of flexibility.

The ADC081S051CISDX can be interfaced with a wide range of microcontrollers, including those with I2C, SPI and serial interfaces. The device is also compatible with PC applications, and can be used in a wide range of data acquisition, measurement and control applications.

The working principle of the ADC081S051CISDX is based on an Active Sampling Technique (AST), which allows the device to achieve a high degree of accuracy and reliability. An analog-to-digital conversion is performed by sampling the input signal at certain intervals and quantifying the result. The samples are taken at regular intervals and the data is quantized to convert the analog signal into a digital representation. The ADC081S051CISDX uses a successive approximation register (SAR) to convert the analog signal into digital data.

The SAR works by comparing the input signal to a reference voltage. This is done by setting a reference voltage equal to the analog input signal and then comparing it to the actual signal. If the signal is higher than the reference voltage, the bit value is set to 1, else it is set to 0. This process is repeated for each bit until the signal is accurately converted into digital data.

The ADC081S051CISDX also has an input signal conditioning and power supply-circuit that ensures the accuracy and reliability of the device. The signal conditioning circuit includes a programmable gain amplifier and a low-pass filter. The power supply-circuit includes an LDO regulator, which helps stabilize the output signal and ensure clean power delivery.

In summary, the ADC081S051CISDX is a low power, 8-bit monolithic analog-to-digital converter (ADC) with a wide operational voltage range. It can be used in a wide range of portable and embedded applications. Its low power consumption, high sampling rate and high resolution make it suitable for a variety of data acquisition and measurement applications. The device works based on the Active Sampling Technique, and has an onboard multiplexer, reference voltage and input signal conditioning circuit for improved accuracy and reliability.

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