ADC10662CIWM/NOPB

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Data Acquisition - Analog to Digital Converters (ADC) are one of the most important technologies in modern instrumentation and communications. ADC10662CIWM/NOPB is a good example which could make most of small power systems, embedded instruments and consumer products function better and faster. To understand the wide applications and working principles of ADC10662CIWM/NOPB, this paper will focus on its features, operation and specific application fields.

Features

ADC10662CIWM/NOPB is a 10-bit, 6 MSPS, low-voltage, low-power SAR ADC which includes an integrated voltage reference and uses a single 2.7V to 5.5V supply. It integrates ten input channels to reduce sparse error and aliasing and supports a one-clock-cycle-per-conversion operation for maximum throughput. The integrated band gap voltage reference reduces design complexity and size by eliminating the need for an external reference voltage source. The ADC10662CIWM/NOPB features 255mW power consumption and 2mm X 2mm DFN-10 package to suit best in small power systems applications.

Operation

The inner loop of the ADC10662CIWM/NOPB include a sample-and-hold circuit and an analog-to-digital converter (ADC). The sample and hold is a special electronic circuit that can capture and hold an analog signal for a specified amount of time. In this case, the sample-and-hold circuit holds the signal for one clock cycle. The ADC converts the analog signal voltage into a digital output code based on a set of comparison levels. ADC10662CIWM/NOPB is a successive-approximation-register (SAR) ADC that works by incrementally adjusting the comparison levels in a binary tree search until the analog signal is bracketed by two comparison levels. The ADC10662CIWM/NOPB can produce a 10-bit output code, given a 10-bit resolution.

Application Fields

ADC10662CIWM/NOPB suits best in small power systems, embedded instruments, and consumer products. It has a number of features, low voltage and low power consumption, 255mW, integrated voltage reference and 10 input channels, that increase its utility and make it suitable for a wide range of applications in medical, automation and control, audio and video processing, automotive, communications, and industrial instrumentation devices. In medical applications, ADC10662CIWM/NOPB can enable digital control of infusion pumps by converting differential pressure signals from a pressure transducer. For example, in an intravenous (IV) infusion pump, a pressure transducer would measure the pressure in the pump\'s reservoir and then the ADC10662CIWM/NOPB can convert this vital information into digital form and drive the motor for adjusted dosage. Further, in automotive electronic control systems, the ADC10662CIWM/NOPB can convert analog input signals, such as engine sensors, brake position and air- flow, into digital data to drive actuators.

Conclusion

ADC10662CIWM/NOPB is a 10-bit, 6 MSPS, low-voltage and low-power SAR ADC which can be used in various small power systems, embedded instruments and consumer products. It integrates ten input channels to reduce sparse error and aliasing, and uses a single 2.7V to 5.5V supply. It has a number of features, low voltage and low power consumption, 255mW, integrated voltage reference and 10 input channels, that increase its utility and make it suitable for a wide range of applications in medical, automation and control, audio and video processing, automotive, communications, and industrial instrumentation devices.

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