LTC2471CMS#TRPBF

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The LTC2471CMS#TRPBF is an integrated circuit device (or IC) specifically designed for data acquisition analog-to-digital conversion (ADC) applications. It is part of a family of ultra-low power precision delta-sigma (ΔΣ) analog-to-digital converters (ADCs) developed by Linear Technology, a company renowned for its expertise in analog integrated circuit design.

The LTC2471CMS#TRPBF is a 24-bit delta-sigma ADC that supports a sampling rate up to 100Hz, resulting in a 0.2% linearity performance at a 1kHz frequency. It is an ideal choice for applications that require accurate and low-noise measurement of low and high-side differential signals. It features an integrated, low-noise, low-power reference and consuming only 46uA typical supply current for a 0.5Hz sampling rate.

The LTC2471CMS#TRPBF physical layout is configured as a 16-bit, 2-channel delta-sigma digital-to-analog converter (DAC). The device incorporates 4 integrated input channels, 2 for single-ended and 2 for differential analog inputs. Each differential input channel is composed of two complementary pins, each having a corresponding inverted output pin. A 2\'s complement representation is used for differential input channels, so that a plus or minus (±) sign is indicated by the polarity of the voltage difference between the two input pins.

The LTC2471CMS#TRPBF includes an integrated temperature sensor that can be used to measure the temperature of the environment. The temperature measurement range is -40°C to +105°C. The accuracy of the temperature measurement is specified to within ±0.5°C.

The LTC2471CMS#TRPBF analog-to-digital conversion (ADC) is based on a delta-sigma (ΔΣ) architecture. It includes a low-noise delta-sigma modulator and a multi-bit digital-to-analog converter (DAC) combined with an analog-to-digital converter (ADC) for conversion of the analog sample values to digital words.

The LTC2471CMS#TRPBF utilizes a two-stage convergence algorithm where a reference is compared to the analog signal, and the difference is used to adjust the parameters of the ADC in order to more accurately convert the analog input value to digital. The first stage uses both the signal and its derivative to reduce the noise in the signal and create a band-pass filter around the sample to reduce the noise caused by signal instabilities. The second stage is a decimation stage in which the analog signal is digitally filtered prior to final conversion to the digital output.

The LTC2471CMS#TRPBF is designed for a wide range of data acquisition analog-to-digital conversion applications, such as in Automated Test Equipment (ATE) systems, instrumentation, and process control. Its low power consumption and high accuracy make it an ideal choice for any application requiring low-power, accurate analog-to-digital conversion.

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