MAX1135BCAP+

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The MAX1135BCAP+ is an integrated analog-to-digital converter (ADC) from Maxim Integrated Products that combines a 16-bit ADC and a 16-channel multiplexer in a single package. It is designed for use in low power, high side measurement applications.

The MAX1135BCAP+ operates from a single 8V to 24V supply, and features an on-chip temperature sensor, allowing users to measure temperature without the need for an external sensor. The device also features a flexible sampling, conversion, and multiplexing scheme which allows users to maximize power consumption, performance, and accuracy.

The MAX1135BCAP+ supports a wide range of input voltage ranges including ±10V, ±5V, ±2.50V, and ±1.25V. It has a programmable input range adjustment setting with a 0.2% resolution, and an integrated 16-channel multiplexer, providing users with greater flexibility.

In addition, the MAX1135BCAP+ has an integrated reference voltage that can be trimmed for higher accuracy in the measurement of low-level signals. It also features a flexible sample/convert/delay (S/C/D) timing control that allows the user to program the input channels.

The MAX1135BCAP+ is ideal for applications such as pressure and weight measurements, medical diagnostics, automotive engine control, and industrial process control. It offers high accuracy, low power consumption, and high resolution performance in a space-saving 8-pin package.

The MAX1135BCAP+ utilizes sigma-delta conversion to perform analog-to-digital conversion. Sigma-delta conversion is a type of digital-to-analog conversion that uses a single-ended (single bit) feedback loop to convert the input signal into an output digital signal. The loop is controlled by an operation called oversampling, where the input signal is sampled at a rate higher than the Nyquist frequency for that signal. The ADC then uses digital signal processing to convert the input signal into its digital equivalent.

In sigma-delta conversion, the input signal is first divided into two sets - a coarse set and a fine set. The coarse set is used to set the correct coarse range (as set by the user in the MAX1135BCAP+), and the fine set is used to adjust the fine range (as set by the user in the MAX1135BCAP+). The resulting digital output is then ready to be used by the user.

The MAX1135BCAP+ also features integrated comparators that allow users to set the appropriate levels for monitoring and controlling analog signals. The integrated voltage reference allows users to measure low-level signals with higher accuracy. The device also features internal temperature compensation to minimize drift caused by temperature changes.

The MAX1135BCAP+ has operating temperature range of -40°C to +85°C, making it suitable for use in commercial and industrial applications. The device features power-saving features such as an integrated multiplexer, a flexible sample and convert timing control, and low power consumption in a small package. The flexibility offered by the MAX1135BCAP+ makes it an ideal ADC for applications in a wide variety of industries.

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