MAX149ACAP

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The MAX149/MAX149A/MAX149ACAP are 8-channel, 10-bit analog-to-digital converters (ADCs) designed for data acquisition systems. The MAX149/MAX149A convert analog input signals to 10-bit digital words, while the MAX149ACAP features a noise-immune, analog-to-digital conversion process that results in highly accurate readings of even low-level signals. The MAX149 family is ideal for use in a wide variety of data acquisition applications including process control systems, medical instrumentation, industrial measurements, environmental monitoring, and automotive signals monitoring.

The MAX149/MAX149A/MAX149ACAP are available in an 8-pin narrow-body SOIC package that is ideal for automated surface mounting processes. The MAX149/MAX149A are available in 8-pin DIP, 14-pin DIP, and 14-pin SOIC packages for prototyping, evaluation, and short-term systems. An onboard reference and reference buffer make it easy to power the converters with a single, low-noise power supply. The MAX149\'s low power requirements make it ideal for portable and battery-powered applications.

The MAX149/MAX149A feature an onboard 8-channel multiplexer that allows the user to select the desired input channel. Each channel can be set to one of four different programmable ranges covering a range of 0 to 5V, 0 to 10V, -5V to +5V, and -10V to +10V. The onboard sample-and-hold circuitry captures the analog input signal and stores it until the converter completes its conversion cycle. The MAX149/MAX149A have a conversion time of 13µs and a minimum throughput rate of 75ksps.

The MAX149ACAP features a unique noise-immune analogue-to-digital conversion process that results in non-subjective, highly accurate readings of even low-level signals. This noise-immune technology significantly reduces the range of the low-level signals so their accuracy is significantly improved. Other advanced features of the MAX149ACAP include a wide-bandwidth oversampling technique, a low-power mode, an extended I/O range, and a selectable 0 to 5V, 0 to 10V, -5V to +5V, and -10V to +10V input range. The MAX149ACAP features a conversion time of 5µs and a minimum throughput rate of 250ksps.

The MAX149/MAX149A/MAX149ACAP offer a variety of features to minimize power consumption and extend battery life. These include a low power sleep mode, a low current consumption of less than 50µA during conversion, and a maximum power consumption of only 350mW. The MAX149/MAX149A/MAX149ACAP also feature an extended temperature range of -40 to +85°C. This makes them ideal for use in data acquisition applications with extreme temperature ranges.

The MAX149/MAX149A/MAX149ACAP feature an enhanced power-down capability that provides low power consumption with no sacrifice in accuracy. The power-down mode reduces current consumption to less than 10µA and maintains an accuracy of ±3LSB. During power-down mode, input channels and the sample-and-hold capacitor are disconnected from the external circuit, significantly minimizing power consumption.

The MAX149/MAX149A/MAX149ACAP are ideal for a variety of data acquisition applications including process control systems, medical instrumentation, industrial measurements, environmental monitoring, and automotive signals monitoring. With their low power consumption, high accuracy, and extended temperature range, these converters provide an ideal solution for applications that require maximum performance and reliability.

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