MCP3901A0T-E/ML

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Bits:	24
Number of Channels:	2
Voltage - Supply, Analog:	5V
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Package / Case:	20-VFQFN Exposed Pad
Supplier Device Package:	20-QFN (4x4)
Base Part Number:	MCP3901A0

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Data Acquisition - Analog Front End (AFE)

The MCP3901A0T-E/ML is an analog front end (AFE) for use in a series of integrated systems and highly sophisticated data acquisition applications. This device includes a 12-bit analog-to-digital conversion (ADC) and is ideal for applications where there is a need for accurate data recording and monitoring. Its design provides flexibility for a wide variety of applications and its low-power consumption makes it an excellent choice for portable and remote applications.The MCP3901A0T-E/ML consists of an integrated sampling ADC and an analog PGA, with the latter preserving the signal quality and providing additional gain flexibility. The device incorporates two compensating digital filters to reduce noise as well as to reconstruct the aliased signal components, thereby improving SNR and THD performance. It also includes an 8-bit delta-sigma DAC that is used to digitally correct offset and gain, allowing the device to accurately reproduce the original analog signal.The MCP3901A0T-E/ML operates in a unipolar input range of 0-3.3V, with a maximum input operating voltage range of ±2.5V. The board also accommodates an integrated gain of up to +48dB, with the capability to provide higher gains via the programmable PGA. All the components of this device are housed on a single PCB, which makes it suitable for different applications and provides greater flexibility.In operation, the signal must be injected into the two differential inputs of this device. The signal is then converted from analog to digital and filtered via the integrated signal path circuitry. The signal is then amplified and buffered, before being passed through the digital PGA, where it is adjusted by the software-controlled ADC to optimize its signal-to-noise ratio. Finally, the signal is passed through the internal digital filter and delta-sigma DAC for further accuracy.The key features of the MCP3901A0T-E/ML include its high resolution of 12-bit, low noise, wide dynamic range and low power consumption of only 0.6 mA while operating at a sampling frequency of 80 MHz. Due to its compact size, the device is suitable for applications with limited space as well as those that require a fast data acquisition rate and accurate signal processing. Additionally, the presence of an external reference voltage makes calibration easier, allowing the device to operate within a temperature range of -40 to +85°C.To summarize, the MCP3901A0T-E/ML analog front end (AFE) is a data acquisition module that provides high-precision, low noise, wide dynamic range and low power consumption. This device supports a range of applications and its wide range of features makes it an ideal choice for applications that require accurate data recording and monitoring.

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