MAX1436BECQ+D

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Data acquisition systems integrate sensor/signal acquisition, conditioning, and conversion technologies that convert physical parameters or signals into a digital form suitable for computer input. Analog to Digital Converters (ADC) are key elements of data acquisition systems and make it possible to measure physical variables such as voltage, current, temperature, pressure, and flow. The MAX1436BECQ+D is a low-power, 8-channel, simultaneous-sampling, 12-bit ADCs with an integrated charge redistribution track-and-hold amplifier. This device provides sequential single-channel conversion at 800k-sample/s, and simultaneous-sampling conversion at 400k-sample/s. It is ideal for applications requiring low power and low cost.

The MAX1436BECQ+D has an integrated dual-mode track-and-hold amplifier that allows it to work with a wide range of input signals including low-frequency (DC) and high frequency. It has an input noise level of 84.6μVrms (for 0.1Hz to 10Hz Bandwidth), a signal-to-noise ratio of 71.4dB, and a conversion gain of 8.75mV/V. The device has a maximum current draw of 75mA, which makes it suitable for battery-powered applications. In addition, it has a small package size which allows it to easily fit into space-constrained applications.

The MAX1436BECQ+D is ideal for use in industrial, medical, and automotive applications that require high accuracy measurements of signals in the presence of noise. It is suitable for applications that require high speed, low power, and low cost such as digital cameras, digital oscilloscopes, and portable medical equipment. It is also suitable for data acquisition and image processing applications, operating in temperatures ranging from –40°C to +85°C.

The working principle of MAX1436BECQ+D is based on charge-redistribution track-and-hold. During track mode, the input voltage is externally sampled and internally tracked by a capacitor (CIN) using charge-depletion techniques. When the conversion time arrives, the track-and-hold amplifier captures the voltage stored in the capacitor and it is then converted to a digital code through a successive approximation analog-to-digital conversion (ADC) process. The ADC then sends the digital code to a microcontroller for further processing.

In summary, the MAX1436BECQ+D is a low-power, 8-channel, simultaneous-sampling, 12-bit ADC with an integrated charge-redistribution track-and-hold amplifier. It is ideal for industrial, medical, and automotive applications that require high accuracy measurements in the presence of noise. The device has a maximum current draw of 75mA, which makes it suitable for battery-powered applications, and has a small package size which allows it to easily fit into space-constrained applications. Furthermore, it has a working principle based on charge-redistribution track-and-hold, making it an ideal solution for data acquisition and image processing applications.

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