LTC2387IUH-16#TRPBF

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Data acquisition is an important part of many engineering and scientific applications, and it is often necessary to convert analog signals to digital numbers for further processing. The LTC2387IUH-16#TRPBF is a 16-bit successive approximation analog-to-digital converter (ADC) that is well-suited for high-precision applications. This article will discuss the application field of this ADC and its working principles.

The LTC2387IUH-16#TRPBF is capable of converting analog signals up to a speed of 750ksps with a typical SNR of 92dB and an excellent dynamic performance rating of 106dB. The low power supply voltage of 1.8V and the wide operating temperature range of -40°C to 125°C make the LTC2387IUH-16#TRPBF suitable for a wide range of applications, such as ultra-low power systems, industrial automation and control, medical imaging and instrumentation, portable instrumentation, and more. The internal architecture of this ADC makes it tolerant of high-level disturbances and provides excellent AC and DC performance.

The working principle of the LTC2387IUH-16#TRPBF is a successive approximation register (SAR) architecture. This means that it will proceed through a cycle of approximations until the result is within a specific range. In each cycle, the input voltage is compared with a reference voltage, and either a 0 or 1 is added to the result. If a 1 is added, the result is passed through a digital to analog converter (DAC) to shift the reference voltage and the comparison is repeated. This process is repeated until the desired number of bits is reached, at which point the output is the digital representation of the analog voltage.

The on-chip reference of the LTC2387IUH-16#TRPBF provides high accuracy and simplifies design by eliminating the need for an external reference. An on-chip sample and hold circuit allows the ADC to acquire signals with a low amplitude and high slew rate. The maximum input range of 4.096V can be divided into 256 smaller ranges by manipulating the reference voltage. This provides additional flexibility when sampling input signals.

The low power consumption of the LTC2387IUH-16#TRPBF and the wide temperature range of operation make it suitable for a variety of applications in the industrial and medical field. With its high resolution, low power consumption and wide input range, this ADC is well-suited for high-precision data acquisition tasks.

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