LTC1858IG#TRPBF

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Data acquisition is the process of measuring real-world physical conditions and converting the measured data into digital values for analysis or data logging. Analog to Digital Converter (ADC) is an electronic device that converts a non-digital (analog) signal into a digital signal. The LTC1858IG#TRPBF operates as a low-power, precision, 12-bit A/D converter that can acquire and convert an analog signal with a 1MHz sample rate. The device is designed to be used in applications such as high performance data acquisition, factory automation, and instrumentation systems.The LTC1858IG#TRPBF offers an on-chip, low power, high throughput, 1-channel Analog to Digital converter. The converter offers a sampling rate of up to 1MHz and has a precision of 12-bits plus digital signal processing and averaging. It is capable of converting a single-ended signal from 0 to 5V or a differential signal from -2,5V to +2,5V. The converter also offers a programmable gain amplifier for gain of up to x128.The working principle of the ADC is based on the idea of successive approximation technique. This technique involves an analog input signal, an analog-to-digital converter, a memory or storage register, and a comparator. The input signal is converted into a digital bit-stream through a comparator that compares the input voltage to a reference voltage generated by a digital-to-analog converter. This comparison is performed repeatedly until a digital value that is equal to or close to the actual input voltage is generated. In the successive approximation register (SAR), the voltage is compared to multiple reference voltages that are generated by the digital-to-analog converter. This comparison is done step-by-step until the output is close to the input voltage.The LTC1858IG#TRPBF provides design flexibility with features such as automatic gain selection and two-channel multiplexing. It also offers an integrated bandgap reference and sample-and-hold circuit as well as digital signal processing features such as sample averaging and temperature compensation. The device also offers integration of digital and analog I/O functions on one chip to reduce board space requirements. In addition, it includes proprietary architecture for improved noise immunity.In conclusion, the LTC1858IG#TRPBF low-power, precision, 12-bit A/D converter is designed to provide high performance data acquisition, factory automation, and instrumentation systems. It is based on the successive approximation technique, offering features such as automatic gain selection, two-channel multiplexing, an integrated bandgap reference and sample-and-hold circuit, and digital signal processing features such as sample averaging and temperature compensation.

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