LTC1272-8CCN

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Analog to Digital Converters (ADC) play a crucial role in data acquisition systems, getting analog signals from physical sources into digital form suitable for processing. The LTC1272-8CCN is a wideband high speed, low power 12-bit analog to digital converter (ADC). As it is capable of a sampling rate of 26MSPS, it’s often used as a data acquisition device in high throughput applications.

The LTC1272-8CCN is a low power, high linearity ADC providing excellent performance over a wide range of applications. It has an on-chip conversion gain amplifier that allows the user to accurately measure the analog input over a wide input range. The LTC1272-8CCN requires a low supply voltage of only 1.8 Volts, so it can be easily integrated in low-power applications.

The LTC1272-8CCN is commonly used in many applications such as industrial, medical and aerospace systems. Its low power consumption coupled with its wide input range makes it well-suited for applications in power-constrained and noisy environments. In the medical field, it is often used in imaging systems such as X-ray and MRI, where it is used to accurately translate the analog input signals into digital data for further processing.

The LTC1272-8CCN works by first amplifying the analog input signal through an on-chip gain stage. This gain stage is adjustable and can be configured by the user to match the input signal range. Once the signal has been amplified, it reaches the analog-to-digital converter (ADC) which then converts the signal into digital form. The ADC uses a “successive approximation” based on an internal reference voltage to perform the conversion.

The LTC1272-8CCN also comes with an on-chip 2.5V bandgap reference, allowing the user to set any desired reference voltage within the range of 1.4V to 2.5V with 0.05% accuracy. This reference voltage can then be used for gain adjustments or temperature compensation. An on-chip programmable gain amplifier (PGA) is also included, allowing the user to adjust the gain of the signal before it reaches the ADC. The PGA has a wide range, from 0.1V/V to 100.0V/V.

Finally, the LTC1272-8CCN provides an ADC data output in serial form, allowing for easy transfer of the digital data to a microcontroller or other processor for further processing. The ADC can also loop back to the input signal, allowing the user to synchronize data collection with the signal itself. The LTC1272-8CCN also features low latency, meaning that the user can sample the input signal multiple times in quick succession.

The LTC1272-8CCN is a highly versatile ADC, capable of delivering high performance in a wide range of applications. Its low power requirements, wide gain range and excellent linearity make it an ideal choice for data acquisition systems requiring high levels of accuracy and processing speed.

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