MAX11900ETP+

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Data Acquisition – Analog to Digital Converters (ADCs) are used to convert analog signals into their digital form for further processing. The MAX11900ETP+ is a High Speed, 4-Channel, 12-bit ADC which is ideal for medical and industrial applications. It can be used to measure physiological signals such as heart rate, breathing rate and more. This article will discuss the application field and working principle of the MAX11900ETP+.

Application field

The MAX11900ETP+ is suitable for a wide range of applications requiring the conversion of analog signals into digital form. It is especially suitable for medical applications, as it has performance advantages over other ADC devices. These advantages make it the perfect choice for measuring physiological signals with high speed and accuracy. Additionally, its 4-channel design makes it ideal for applications requiring simultaneous multiple-channel measurements, such as EEG and ECG monitoring.

The MAX11900ETP+ is also well-suited for industrial applications, such as weighing scales, flow meters, pressure sensors and more. These systems require accurate and reliable measurements. The MAX11900ETP+ ensures accurate measurement through its high-resolution digital output and its 12-bit ADC resolution.

Working principle

The MAX11900ETP+ is a four-channel, high-speed ADC with a sampling rate of 500kHz per channel. It uses a successive approximation register (SAR) architecture, with an internal reference that is used to set the input range. The device has on-chip power-on reset, a programmable clock divider and output data format control. It also features a temperature sensor for monitoring internal device temperature.

The device supports single-ended, differential and pseudo-differential analog input modes. The user can select the input range from 111µV to 10V as required. Additionally, an internal track/hold circuit is used for high-speed data acquisitions even with low-level analog signals.

The MAX11900ETP+ outputs converted results in binary two’s complement or offset binary format. This can be selected by the user. The device supports 8-bit, 10-bit and 12-bit read formats. The data can also be serialized and output over a LVDS channel.

In summary, the MAX11900ETP+ is a high-speed, 4-channel ADC designed for use in medical and industrial applications. It uses a SAR architecture, with an on-chip, power-on reset and programmable clock divider. It supports a wide range of input ranges, and the user can select the output data format as binary two’s complement or offset binary. This makes it ideal for an array of applications requiring accurate and reliable conversion of analog signals into digital form.

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