AD7858LBR-REEL

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Data Acquisition and Analog to Digital converters are now considered essential components for many industrial applications and systems, as these provide controlled digital outputs from analog inputs. AD7858LBR-REEL is one such ADC device that has seen wide and varied use in many types of industries. This device consists of a group of low power voltage output Operational Transconductance Amplifiers (OTA), a dual charge pump, and the analog and digital circuitry needed to provide specific conversion functions. This article explains the application field and working principle of AD7858LBR-REEL.

The primary application field of AD7858LBR-REEL is low power analog measurement and conversions. This device is designed to be used for scale measurements, thermocouple-type measurements and logarithmic measurements. It offers an 8-bit resolution and an excellent linearity. Additionally, it can also be used for applications that require single-ended, bridge or differential inputs, as well as low-power consumption and a very low noise level.

The operational principle of AD7858LBR-REEL can be summarized as follows. The analog input signals are first filtered and amplified through the OTA stages before being sent to the primary conversion channels. The internal amplifier stages ensure the input signals are free of any noise or interference that could corrupt the digital output signals. The digital output signals are then sent to the digital outputs, where they can be used as required.

Furthermore, to ensure the accuracy of the analog to digital conversion, the device contains an on-chip clock which can be used as an oscillator for accurate time-stamping of the conversion results. This allows for accurate timing control and synchronization. Additionally, an internal temperature sensor is included in the device to provide temperature feedback, enabling the device to compensate for any temperature drift of the conversion results.

In order to improve the accuracy of the digitally converted data, the AD7858LBR-REEL also features an integrated DigitalFiltering™ system. This system works in the background to minimise any aliasing artefacts, noise, or errors. Additionally, the device contains an onboard digital calibrator, which allows users to fine-tune the analog input parameters to better suit the application\'s requirements.

Overall, AD7858LBR-REEL is an ideal solution for low-power analog-to-digital conversion in industrial applications. The device contains a variety of features which ensure the highest level of accuracy, while at the same time consuming a minimal amount of power. This wide range of features makes AD7858LBR-REEL an ideal choice for any application or system requiring accurate and reliable analog-to-digital conversion.

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