MCP48FEB22T-E/UN

Reference Type:	External, Internal, Supply
Base Part Number:	MCP48FEB22
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C
Architecture:	R-2R
INL/DNL (LSB):	±1.5, ±0.2
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	7.8µs (Typ)
Number of D/A Converters:	2
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital to Analog Converters (DAC)

The MCP48FEB22T-E/UN is a versatile digital-to-analog converter (DAC) that provides a highly-accurate, low-cost solution for transforming digital signals into analog voltage or current signals. It’s a single-channel device that is ideal for converting digital values from an embedded processor or microcontroller into a precision analog signal. This low-power converter offers excellent linearity and low noise, making it suitable for a wide variety of applications.

Overview of MCP48FEB22T-E/UN

The MCP48FEB22T-E/UN provides both voltage and current outputs with 0.59 mV/A resolution. It has a ±10 V full-scale output range and a programmable gain of either 1 or 2. The gain accuracy is +0.1 %/-1 %, and the quiescent current is 9 μA. This converter offers high linearity with an integrated error correction algorithm that minimizes non-linearity errors by up to 0.5 LSB. It runs on a single 1.8 V to 5.5 V supply with power consumption at approximately 25 V/μW.

MCP48FEB22T-E/UN Application Fields

The MCP48FEB22T-E/UN is well suited for a variety of applications. It can be used to control audio amplifiers, frequency synthesizers, process control systems, sensor calibration, motor control, and many other systems. In addition, its low power consumption makes it suitable for battery-powered applications such as RF transceivers, cellular phones, and handheld medical instruments.

Working Principle

The MCP48FEB22T-E/UN works by converting digital data into analog signals. This is accomplished by using a Delta-Sigma modulator. A Delta-Sigma modulator takes an analog signal and passes it through a 1-bit Analog-to-Digital Converter (ADC) to produce a 1-bit digital signal. This digital signal is then processed with a software algorithm and filtered to produce the desired analog output.The MCP48FEB22T-E/UN features a programmable gain that is set by the user. A gain of 1 produces an output range of 0 to 10 V, while a gain of 2 produces an output range of -5 to +5 V. This allows the converter to accurately convert a wide range of digital inputs into the desired analog output.The converter also includes an integrated error correction algorithm that minimizes non-linearity errors by up to 0.5 LSB. This error correction algorithm allows for improved accuracy and reduces the need for recalibration.

Conclusion

The MCP48FEB22T-E/UN is a versatile Digital-to-Analog Converter (DAC) that provides a highly-accurate, low-cost solution for transforming digital signals into analog voltage or current signals. It’s suitable for a wide variety of applications, and its low power consumption makes it suitable for battery-powered applications. It features a programmable gain and an integrated error correction algorithm that minimizes non-linearity errors. Overall, the MCP48FEB22T-E/UN is an excellent choice for digital-to-analog conversion.

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