LTC1867LIGN#PBF

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The LTC1867LIGN#PBF is an ADC that falls under the category of Data Acquisition – Analog to Digital Converters (ADC). It is a very robust and reliable unit, capable of conducting highly precise analog-to-digital conversion tasks. The ADC converter offers a phenomenal range of resolutions and uses a Delta-Sigma architecture for converting analog signals into digital signals.

The maximum resolution of the LTC1867LIGN#PBF corresponds to 16 bits and the operating temperature range is extended from -40°C to 125°C. Furthermore, the device offers a sampling rate of 250k samples/second and works with a single power supply of 2.7V to 5.5V. An onboard serializable digital I/O pin is involved in aiding the programming and other interface requirements.

The main application area of the LTC1867LIGN#PBF is for transformer-based energy-metering applications such as industrial energy monitoring or for similar tasks in the category of data acquisition that require precision and high accuracy. The device comes with 0.2% gain error and 0.3° phase error.

The main objective of any Data Acquisition - Analog to Digital Converters (ADC) is to convert an analog signal into a digital code. The LTC1867LIGN#PBF does this effortless by continuously comparing the instantaneous value of the analog signal with a reference voltage supplied by the device itself. This is done by a successive approximations technique called Delta-Sigma architecture, which has a single bit analog-to-digital conversion structure. This structure is then divided and compared with different digital codes until the closest code is obtained. Once the decision is taken and the closest digital code is locked, the Delta-Sigma architecture uses the digital codes as an output to represent the analog input.

In conclusion the LTC1867LIGN#PBF ADC is an absolute recommended device for any data acquisition application where precision and accuracy are of paramount importance. With its extended temperature range and exceptional gain and phase errors, the device is certain to offer competitive rates.

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