LTC2461CDD#PBF

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The LTC2461CDD#PBF is a part of a family of multi-channel single-chip high performance data acquisition systems. It is an analog-to-digital converter (ADC). It is a high-speed, high-accuracy, low-power solution for a wide variety of data acquisition applications. The LTC2461CDD#PBF includes a state-of-the-art low-noise 24-bit delta-sigma (ΔΣ) ADC with a user-selectable data rate up to 250kSPS (conversion rate), and 16-channels of simultaneous sampling. This ADC is highly flexible and easily configurable to handle a wide range of data acquisition needs.

The LTC2461CDD#PBF\'s advanced mixture of features make it preferable for applications such as process control, power systems, medical equipment, industrial automation and robotics, communication systems, military and aerospace applications. It can be used for temperature sensing, process monitoring and control, flow control, pressure sensing, strain gauge measurements, and many other applications in which precise and accurate measurements must be taken.

The LTC2461CDD#PBF\'s key features include an on-board temperature sensor, 17-bit ENOB (Effective Number of Bits) resolution, and a wide input voltage range (up to 10V). It also has a versatile input multiplexer architecture that allows the user to configure the multiplexer to employ two differential or four single-ended input channels at a time. It offers a flexible auto-zeroing system and two simple calibration modes (Full Scale and Offset) that enable the system to achieve maximum accuracy and minimize error sources. The on-board temperature sensor allows the user to monitor the ambient temperature of their system.

The working principle of the LTC2461CDD#PBF is based on delta-sigma conversion. Delta-sigma (ΔΣ) ADCs are a type of ADC that use a combination of high-order sigma-delta modulation and oversampling to improve the performance of the system. This type of conversion is characterized by its high resolution, low power consumption, and fast conversion speeds.

Delta-sigma modulation operates by integrating the incoming analog signal and performing a continuous comparison between the integrating result and a reference word. This comparison is used to generate a bitstream, which represents the differences between the input signal and the reference word. This bitstream is then oversampled and decimated back to a usable data rate, while noise components outside the frequency band of interest are removed. The output of the ADC is a digital representation of the analog signal.

The LTC2461CDD#PBF features an integrated temperature sensor and a wide input voltage range, allowing it to be used in a variety of data acquisition applications. Its flexible multiplexer architecture, simple calibration modes, and low power consumption make it an ideal choice for industrial and medical applications where accuracy and speed are paramount. The LTC2461CDD#PBF is a robust, reliable, and cost-effective solution for data acquisition applications.

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