LTC2283CUP

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The LT2283CUP is a high speed, 8-bit, monolithic, delta-sigma analog-to-digital converter (ADC). It is designed to provide recording and control solutions for digitization of wide dynamic range signals from low frequency sources. The LT2283CUP has a variety of application fields, from cost-sensitive imaging, data acquisition and motion control applications to high-performance medical, industrial, and automotive instrumentation systems.

The LT2283CUP is based on the delta-sigma conversion technique and includes a built-in low-noise charge-balancing amplifier, reference capacitor, and a bandgap voltage reference. This architecture establishes the LT2283CUP as a highly linear ADC with outstanding performance over a wide range of signal sources and applications.

The LT2283CUP’s incremental analog input and output transfer function is linear within a few percent of full-scale. Internal calibration and self-offsetting operation ensure maximum accuracy and low drift over temperature and time. An integrated sample and hold allows for fast settling of the analog gain and offset prior to conversion, eliminating slow settling effects associated with inter-chip signals.

The output of the LT2283CUP is a stream of 8-bit data that can be used to perform data processing and control tasks. By using a variety of available functions, features, and options, the user can easily configure the LT2283CUP for specific applications. An on-chip Sample-and-Hold amplifier allows the user to capture and accurately measure high-speed signals with dynamic ranges of up to 160 dB, as well as low-bit rate signals with low noise and high linearity.

In addition to its standard functions, the LT2283CUP can be configured to a variety of complex data processing operations. It can detect the direction of motion of a vibrating body, identify the frequency of a signal, and measure its magnitude.

A single-ended input can be used for both ground-referenced and ac-grounded signal inputs. An internal reference voltage divider allows the user to select from four non-linear reference voltage levels, commonly used for signal amplitude characterization.

The LT2283CUP is equipped with selectable resolution, allowing the user to vary the signal’s resolution over 8 bits and up to 16 bits, depending on the signal’s signal-to-noise ratio and stability. The LT2283CUP also supports signal suppression and noise gating, extending its dynamic range and maximizing its signal integrity.

The LT2283CUP is provided in a compact 5 mm x 5 mm LQFP package and can be configured with a variety of I/O types. The dual-supply package is available in versions with 3.3 V and 5 V analog supply ranges.

The LT2283CUP offers excellent performance in an array of cost-sensitive, high-speed, high-resolution applications including medical, imaging, control, and data acquisition. It is well suited for automotive, consumer, and industrial applications that require accurate measurements, fast sampling rates, and low power consumption. The versatile and reliable LT2283CUP is an ideal solution for a variety of recording and control applications.

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