MAX147AEPP

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Data Acquisition is the process of measuring real-world physical conditions, such as temperature, pressure, and position, and converting the results into electrical signals. Analog-to-Digital converters (ADCs) are electronic devices that convert these signals into digital data that can be used by computers for analysis and processing. The MAX147AEPP is a dual-channel, 12-bit, low-power, low-cost mono CMOS ADC with a sampling rate of up to 500 ksps that is suitable for use in such data acquisition applications.

The MAX147AEPP is composed of two 12-bit analog-to-digital converter (ADC) cores, and a decoupling resistor network. Each of the dual-channel ADCs can operate independently or in tandem, each with selectable sample rates of 500k, 250k, 100k and 80k samples per second. The ADCs have an input range of 0-3.3v and can sample internal or external signals. The outputs of the ADCs can be used to convey digital data from an analog input to a digital system. The integrated resistor network ensures that the ADC power supply and analog inputs are harmonically decoupled from each other, providing clean performance.

The two ADCs can be configured to work in unison or independently, depending on the application. When operating together, either in 2-phase or in paralleled mode, the MAX147AEPP can enable up to 16-bit resolution. Intwo-phase mode, two sample & hold circuits convert two pixels of the same signal alternatively in two phases.In paralleled mode, two pixels of the same signal are converted simultaneously in both ADCs. When operating independently, the MAX147AEPP can support single-sample resolutions of up to 12 bits per channel, allowing for the capture of multiple analog signals simultaneously.In addition, the ADC can perform a variety of digital functions, such as data averaging and digital filtering, to reduce micro-variations in an analog signal.

The MAX147AEPP operates on 5.5V to 7V supply and requires an external clock in the kHz range, allowing it to achieve high-resolution and low-power operation. The low voltage and low power consumption enable the MAX147AEPP to be used in demanding battery powered applications. The ADC also features a wide temperature range (-40°C to +85°C) and is packaged in a small(7x7mm) QFN package, making it suitable for space limited applications.The MAX147AEPP is an ideal choice for a variety of data acquisition applications, from instrumentation to industrial automation, and is well-suited for high-precision and low-power sensing applications.

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