MAX1079CTC+T

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Analog to Digital Converters (ADC) are known for providing precision, accuracy and repeatability in the conversion of analog signals from the physical world into digital numbers for use in computers. Of all the ADC types, the MAX1079CTC+T is one of the most popular choices for data acquisition applications. This article describes the application field and working principle of the MAX1079CTC+T.

The MAX1079CTC+T is a high-speed and high-accuracy CMOS R/2R ADC. It provides 13-bit resolution into a single 5V supply with sampling rates up to 500kHz. The low power consumption, small footprint and low noise features of the MAX1079CTC+T make it ideal for applications that require high accuracy and high speed ADC. This ADC is mainly used in sensing, data logging, and instrumentation applications.

The MAX1079CTC+T can convert both single-ended and differential signals into corresponding digital values and preserve the integrity of the analog signals. This ADC offers a high degree of accuracy with a differential nonlinearity (DNL) of 0.2LSB, an integral linearity (INL) of 0.5LSB and an offset of 15μV.

The basic structure of the MAX1079CTC+T is based on a high-dynamic-range R+2R architecture which uses a differential feed-forward full swing topology and an error-correcting master-slave delta-sigma loop. The R&2R architecture enables high accuracy, low power and higher sampling rate than that of the conventional Flash ADC.

The built-in gain amplifier of the MAX1079CTC+T amplifies the input signal of up to 0.2V and provides 1V over 2V supplies. The ADC has two control pins: CLK and CS. The CLK pin is used to sample the input signal and provide timing for the ADC conversation. The CS pin is used to enable or disable the ADC.

The MAX1079CTC+T also provides several output options such as serial and parallel outputs. The serial output is compatible with the widely used SPI (Serial Peripheral Interface) standards, while the parallel output is a standard 10-bit parallel interface.

The MAX1079CTC+T also offers several features such as low power consumption, high accuracy and high speed. The output data rate is up to 500kHz and the total power consumption is 5mW at 25°C and 30mW at 0°C. All these features together make the MAX1079CTC+T an ideal choice for data acquisition applications.

In conclusion, the MAX1079CTC+T is a high-precision, high-speed and low-power CMOS R/2R ADC. It is suitable for sensing, data logging and instrumentation applications, and can be used to convert both single-ended and differential signals into corresponding digital values. The ADC has a low differential nonlinearity (DNL) of 0.2LSB and a low integral linearity (INL) of 0.5LSB with an offset of 15μV. It also provides several output options such as serial and parallel outputs and can sample input signals up to 500kHz. The low power consumption and small form factor make the MAX1079CTC+T an ideal choice for data acquisition applications.

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