LTC2145CUP-14

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The LTC2145CUP-14 is a 14-bit, high speed, low power, CMOS analog-to-digital converter (ADC). This ADC is ideal for applications requiring low power and low cost solutions. The LTC2145CUP-14 offers low power, high speed performance and, in addition, excellent on-chip precision analog functions.

The LTC2145CUP-14 offers a wide range of gains, including 0.25V/V, 1V/V, and 2V/V, making it suitable for a variety of input ranges. The LTC2145CUP-14 also features an integrated 2.5V internal reference and a 2.5V reference buffer, allowing for multiple reference levels.

The LTC2145CUP-14 provides the user with a single ended or differential input range, allowing the user to choose between a single or a differentially connected device. Additionally, it supports both synchronous and asynchronous sampling modes. The device can operate from a single +5V supply and is available in a 64-pin LLP package.

The working principle behind the LTC2145CUP-14 is based on the use of a switched capacitive array architecture, which is optimized for high resolution and wide dynamic range. The device has an input multiplexer, a comparator and successive approximation logic. When an analog signal is applied to the converter, it is first converted to a digital signal. This digital signal is then decoded into a 12-bit code with 14-bit accuracy. This code is then compared to a reference voltage, which is used to adjust the analog input voltage to an optimal level.

Applications that make use of the LTC2145CUP-14 ADC include high resolution industrial process control, laboratory testing equipment, communications systems, portable instrumentation, embedded systems, ultra-fast acquisition systems, and many others. The device can provide the user with the ability to sample signals from fast changing environmental conditions and from data conversion from multiple sources.

In conclusion, the LTC2145CUP-14 is a precision, high-speed, low-power, CMOS analog-to-digital converter. The device provides a high-resolution 14-bit measurement, allowing for a wide dynamic range for a variety of applications. Its superior switching array architecture provides high performance, low power consumption and a small form factor, making it ideal for a wide range of applications.

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