LTC2377CMS-20#PBF

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Data Acquisition - Analog to Digital Converters (ADC) is an important element in the electronics industry. The LTC2377CMS-20#PBF is one of the advanced and most popular ADC from Linear Technology. This ADC is suitable for industrial, medical, automotive and communication applications and provides excellent performance at very low power levels.

The LTC2377CMS-20#PBF is an 8-channel simultaneous sampling, low-power, and high-speed Serial-Interface Analogue-to-Digital Converter (ADC) operating from 2.7V to 3.6V supply. It is designed to convert analogue inputs with a sampling rate up to 1Msps. It has 14-/16- bit no latency successive approximation register (SAR) architecture and 0.75LSB DNL, 0.8LSB INL. The device has serial peripheral interface (SPI) for easy configuration.

The device offers 1Msps sampling rate without any multiplication or division of the clock signal and the device includes up to 8 different single-ended inputs, multiplexed into one differential pair. These inputs can be programmed to operate from 0V to VDD or from VDD/2 to VDD. A full-scale differential input range of up to 1.9Vp-p, selectable as either a bipolar or unipolar range is also available.

The device is suitable for applications such as sound and vibration sensing, electronic point of sale (EPOS) card readers, real-time signal distortion measurement, automotive voltage sensors, wide-bandwidth autonomous circuits and portable general purpose data acquisition systems. The LTC2377CMS-20#PBF is low noise (25nVrms-Hz equivalent input noise), low cost and low power consumption, making it the perfect ADC for a wide range of applications.

The working principle of LTC2377CMS-20#PBF is that it uses successive approximation to digitize the analog signals. It will measure the voltage on its inputs and compare it to a reference voltage. The SAR converter uses a feedback loop between its internal Digital-to-Analogue Converter (DAC) and its comparator to repeatedly calculate an approximation of the analog input voltage. Starting from the most significant bit (MSB), the SAR converter will iteratively enable each bit of the digital conversion word until the comparator output condition is met. As the result, the voltage is digitized and fed to the microcontroller or microprocessor for further processing.

In summary, the LTC2377CMS-20#PBF is a low power ADC with high speed and precision that is ideal for many applications. It is a reliable, cost-effective solution that allows efficient signal processing. The device is suitable for industrial, medical, automotive and communication applications and its operating temperature range of -40 to 85 degrees Celsius makes it suitable for use in a broad range of environments.

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