LTC2446IUHF#PBF

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The LTC2446IUHF#PBF is a 16-bit, 4x I2C interface, low-power, single-ended-input Delta-Sigma A/D Converter (ADC) with an internal clock. It offers high precision, fast conversion, and ease-of-use. The LTC2446IUHF#PBF has a 2.7V to 5.25V input range and are capable of achieving 16-bit, no-missing codes with better than 9ppm INL, 1ppm full-scale accuracy, and ±2ppm DNL. Operating from a 1.8V to 5.25V dual rails and requires only a single-polarity supply, this device integrates an oscillator, temperature sensor and reference voltage regulator, significantly reducing the system size and cost of implementation.

Application Field of LTC2446IUHF#PBF

The low-power LTC2446IUHF#PBF and I²C interface make it suitable for use in a wide variety of applications, including medical and industrial sensors, high-accuracy instrumentation, automotive measurement systems, industrial automation, and test and measurement systems. Its wide input range and integrated temperature sensor provides for superior performance in low-voltage automotive and industrial environmental testing applications. LTC2446IUHF#PBF is ideal for measuring temperature, humidity, sunlight, and pressure.

Working Principle of LTC2446IUHF#PBF

The main feature of this ADC is its internal sampling mechanism, which uses Delta-Sigma technology. In Delta-Sigma ADCs, the input signal is sampled and filtered by an internal analog-to-digital converter (ADC). The output of this ADC is then quantized, which is a process of converting analog values into digital values. The quantized output is then passed through a digital low-pass filter. The filtered output is sent back to the ADC, where it is decimated, which is a process of removing unwanted frequency components. This step is optional and is used to reduce the amount of noise in the output signal. Finally, the decimated signal is compared to a reference voltage, and the output is given. The output of the ADC is a binary value that represents the measured analog input.

The low-power LTC2446IUHF#PBF improves accuracy and speed of data acquisition, making it a highly reliable system for measuring temperature, humidity, sunlight, and pressure. Its wide input range and integrated temperature sensor provides for superior performance in low-voltage automotive and industrial environmental testing applications.

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