LTC2323HUFD-14#PBF

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Data Acquisition - Analog to Digital Converters (ADC) play a very important role in industrial and consumer electronics packages, providing a very high-quality method for converting analog signals into digital values. The LTC2323HUFD-14#PBF is a high-speed, multi-channel, 12-bit successive approximation register (SAR) ADC designed for low-power and high-resolution applications. This ADC offers a dynamic range of 66dB, a sample rate of 2 MSPS, and a single-ended input voltage range of 0 V to 2.5 V, making it an ideal choice for audio and low-speed sensor and data acquisition applications.

The LTC2323HUFD-14#PBF has two operating modes: a single-ended mode and a pseudo-differential mode. In single-ended mode, the differential input signal is applied directly on the positive input terminal, while in pseudo-differential mode, the signal is differenced between the positive and negative inputs. The single-ended mode is suitable for most single-ended analog signals and the pseudo-differential mode provides improved common-mode noise rejection and higher dynamic range, making it beneficial in noise-sensitive applications.

The conversion process of the LTC2323HUFD-14#PBF is based on the SAR principle and it consists of two main steps. First, a comparator compares the voltage of the analog input signal to a reference voltage, which is set by the on-chip reference. The output of the comparator determines whether the bit value should be “0” or “1”. Second, the most significant bit (MSB) is converted. Once this is done, the resulting value is used as the reference voltage for the next bit. This process is repeated until all the bit values are known, after which the digital output is provided.

The LTC2323HUFD-14#PBF is best suited for applications that require low-noise, high-speed conversion of low-level signals, such as audio and low-speed sensor input. The wide dynamic range and low noise of its SAR conversion mechanism make it an ideal choice for audio applications, such as digital mixing consoles and audio-enhanced automotive systems. It can also be used in noise-sensitive data acquisition applications, including those in medical systems and industrial automation systems. The on-chip reference ensures excellent accuracy and stability, making it suitable for low-power and high-resolution applications.

In short, the LTC2323HUFD-14#PBF is an ideal choice for high-speed and low-noise ADC applications in audio, automotive, medical and industrial applications. Its fast SAR conversion mechanism, wide dynamic range and low noise make it a very attractive option for low-power and high-resolution applications.

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