MAX19538ETL+T

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According to the application and working principle of MAX19538ETL+T, it can be categorized into Data Acquisition - Analog to Digital Converters (ADC). This data acquisition system is widely used in various industries, to efficient and accurately convert analog signals into digital signals. It provides an efficient solution of signal data acquisition and processing by optimizing the resolution, accuracy and conversion speed.

Maxim’s MAX19538ETL+T is a highly integrated data acquisition system which consists of an 8-bit sigma-delta analog-to-digital converter (ADC), a programmable logic IC, and a 6-line selector IC. It is integrated in a 64-pin Enhanced Quad Flat No-lead (eQFN) package and it can be used as a single chip ADC module or multiple-chip system, depending on the user’s application requirement.

The ADC supports 8-channel selectable analog-to-digital conversion applications, including 2 differential and 6 single-ended analog inputs. The ADC’s feedback DAC is integrated and the corresponding high-resolution accuracy is programmable. The ADC can operate at a conversion rate of up to 192Ksps, while having a differential non-linearity (DNL) of ±1.0LSB and an integral non-linearity (INL) of ±2.0LSB, a settling time of 10μs, a power consumption of only 23mW, and a supply voltage of only 3V.

The core programmable logic IC provides two power supply rails and several clock resources, as well as 4-bit counter and 4-bit timer. With these features, the MAX19538ETL+T can be regularly used as a data acquisition in many applications. It also includes a 6-line selector IC which provides four-way selectable analog input signals by controlling one of the four digitally initiated switches.

The programmable logic IC can be programmed through the SPI interface, which support 2-wire serial data transfer protocol and provide a wide range of commands for programming the logic IC and corresponds the application mechanisms. Also through the SPI interface, the user can adjust the parameters such as ADC conversion rate, source input selection, counter value, and clock frequency.

The MAX19538ETL+T is also equipped with one interrupt pin, which generates marked generated information on a programmed SPI command and triggers interrupt requests when the analog input reaches digital input value limits. This features makes it very suitable for application that require real-time monitoring of analog inputs.

In conclusion, the MAX19538ETL+T is an ideal integrated data acquisition system for embedded applications which demand for high accuracy, low power consumption and fast switching. It can easily convert analog signals into digital signals with high accuracy, featuring an 8bit conversion rate, an excellent DNL and INL, and a selectable 6-channel multiplexer switch. Also its optimized power consumption and extended programmable logic makes it perfect for embedded applications.

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