ICL7106EPL+

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The ICL7106EPL+ is a high-performance CMOS analog-to-digital converter (ADC) that has been created to sample single or dual differential input. The device, manufactured by Intersil Corporation, provides a versatile package of features combined with low power consumption, high accuracy, flexibility, and usability. Developed in both 8-bit and 10-bit resolution versions, the ICL7106EPL+ is specifically designed to enable engineers to develop sophisticated and low-cost data acquisition systems.

The ICL7106EPL+ has a wide range of applications in the field of data acquisition and digital signal processing. It is commonly used in medical, defence, industrial and aviation systems, along with radios, wall-mounted displays and remote receiver applications. It can also be used as an input signal conditioning device when interfacing with A/D convertors, storage devices and microprocessors. Beyond its primary use in data acquisition applications, the ICL7106EPL+ is also used as a digital-to-analog converter (DAC) in defense and industrial applications.

Working Principle

The ICL7106EPL+ provides low-power, accurate and precise data acquisition through its well-balanced combination of features. It has an integrated data register that stores 8-bit or 10-bit data, clocked by an internal Oscillator/Slave Clock that samples single-ended or differential inputs. The device’s noise reduction capabilities provide high-resolution results in noisy environments, with low-noise operation indicated by its fast 80dB THD+n values.

The core of the device utilizes the CMOS (complementary metal oxide semiconductor) process. The integrated comparator and charge pump operate with a differential analogue input voltage range of ±24mV, while the input range can be expanded to ±1.5V when used with an external buffer amplifier. This wide input range provides increased accuracy and precision when used in data acquisition applications.

The ICL7106EPL+ also offers a low-cost, low-power solution for digital-to-analog conversion. It employs an 11-bit converter that is capable of converting an 8-bit or 10-bit word into an analog voltage that can be used from 0 to 5V. The resolution of the analog output is maintained within 0.001%, while its ripple is minimized with a frequency of up to 100kHz.

Power Consumption & Interface Options

The ICL7106EPL+ was designed with low power consumption as a prominent feature. Its CMOS technology requires a single 5V supply voltage that consumes just 1.8mA. It also has an adjustment pin that can be used to adjust the device’s output level bias thus enabling it to operate at a lower power consumption level. The device’s package size and pin pitch allows it to fit well into applications that require constricted board space.

The ICL7106EPL+ provides a flexible interface option with its combination of multiple input modes. It provides both single ended and differential input modes, whereby the differential mode is realized through the use of two pins which can be connected directly or used as inputs or outputs in a single-ended configuration. Additionally, the device comes with a wide range of digital interface options that include serial, parallel, or USB.

Conclusion

The Intersil ICL7106EPL+ is a high-performance CMOS ADC specifically designed for data acquisition applications. The device offers a wide input range of ±24mV, high accuracy and low-power consumption, while its low noise operation enables data acquisition in noisy environments. Its combination of features and its flexible installation options make it a versatile device that can be used in a wide range of applications.

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