LTC1864AIMS8#PBF

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The LTC1864AIMS8#PBF is a precision 8-bit analog-to-digital (ADC) converter with a low low thermal drift. It comes in an economical PBF (Plastic Ball Grid Array) package and requires a single 5 V supply. The high speed 200 kHz sampling and excellent differential linearity performance make it ideal for applications such as automated data acquisition systems. This article provides a brief overview of the device’s field of application and its working principle.

Application Field

The LTC1864AIMS8#PBF is meant for use in precision data acquisition systems. It brings a high signal-to-noise ratio (SNR) due to its low low thermal drift of less than 1 µV/°C. It can digitize a wide range of signals from 10 mV - 2.5 V (S+/- 2.5V) over a 200 kHz sampling frequency. The on-chip sample and hold and reference buffers enable high-resolution conversion without the need of external components. The wide dynamic range and wide supply voltage range (2.6 V to 5 V) make it ideal for battery-powered and harsh environment applications.

The size and performance of the LTC1864AIMS8#PBF makes it suitable for use in many applications, including robotics, industrial automation, automotive and off-road vehicles, medical systems, and other industrial applications that require the conversion of analog signals to digital.

Working Principle

The working principle of the LTC1864AIMS8#PBF is simple. The device has an onboard sample-and-hold amplifier (SHA) that samples the incoming analog signal and holds it for the conversion process. A reference buffer prepares a reference voltage for the successive approximation register (SAR) ADC. The SAR ADC then compares this reference voltage to the held analog signal and converts it to a digital output via a flash ADC stage.

The device\'s sampling frequency is 200 kHz, which allows it to sample and convert signals quickly and accurately. The temperature range is from –40°C (–40°F) to +85°C (+185°F), allowing it to be used in harsh environments. The LTC1864AIMS8#PBF also has several features to protect against fault conditions, including overvoltage and overcurrent protection.

The LTC1864AIMS8#PBF is a high-speed, high-precision analog-to-digital converter that is suitable for use in many different applications. Its single-supply operation and low thermal drift makes it ideal for low-power and harsh-environment applications. Its small size and wide dynamic range allows it to take on many duties while still providing accurate and reliable results.

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