LTC2155IUP-14

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Data acquisition is the process of sampling signals such as voltage, current, temperature, pressure and other physical quantities, converting the analog signal into a digital signal that can be further processed. The LTC2155IUP-14 is an analog-to-digital converter (ADC) that is designed for data acquisition applications. It provides an outstanding combination of speed, precision and dynamic range, which makes it ideal for a variety of applications including medical instrumentation, industrial process control, automotive and aerospace systems.

The LTC2155IUP-14 is a low-noise, low-power ADC designed to operate in high accuracy electronic systems. It provides a 14-bit resolution with a sampling rate of up to 970 kHz. It is pin-compatible with the LTC2165-14, which offers a 16-bit resolution with a sampling rate of up to 1.28 MHz. Both devices offer excellent performance in low-power, high-accuracy applications.

The LTC2155IUP-14 uses an interpolation approach for data conversion. This approach is inherently more accurate than other methods, such as successive approximation or flash ADC. It allows for a lower total harmonic distortion, which is important for accurately digitizing signals. The device also includes an onboard bandgap reference for improved noise and accuracy performance.

The LTC2155IUP-14 can be used in both single-ended and differential input configurations. The device includes an integrated sample-and-hold circuit, which allows the converter to sample and hold the input signal while a conversion cycle is taking place. This significantly reduces the dynamic current required and helps reduce power consumption. This feature is essential in applications where power is a limitation.

The LTC2155IUP-14 is compatible with many digital voltmeter and data acquisition systems. The device includes a serial digital output interface for connection to the host system, allowing for easy integration into the system design. The interface supports SPI and I2C communication protocols.

The LTC2155IUP-14 is available in a compact 10-lead MSOP package, providing more flexibility and design space savings in tight spaces. The device also features a wide operating temperature range of -40°C to +125°C, making it ideal for harsh operating environments. Additionally, the device is compliant to the RoHS directive.

The LTC2155IUP-14 is an ideal ADC solution for systems that require crisp and accurate analog-to-digital conversion. Its low power operation and wide operating temperature range make it well suited for a variety of applications. Furthermore, its serial digital output interface provides ease of integration with a host system.

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