MCP47FVB21A3T-E/ST

Reference Type:	External, Internal, Supply
Base Part Number:	MCP47FVB21
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm 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:	I²C
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	6µs (Typ)
Number of D/A Converters:	1
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to MCP47FVB21A3T-E/ST Digital to Analog Converters (DAC)

The MCP47FVB21A3T-E/ST is a digital-to-analog converter (DAC), which is a type of Device that produces an analog voltage from a digital signal. A DAC is used in signal processing applications to convert digital signals into continuous analog voltages and currents. The MCP47FVB21A3T-E/ST is a single-channel, 12-bit DAC, which has a voltage output range of +5V to +0.5V.

Application Fields of MCP47FVB21A3T-E/ST

The MCP47FVB21A3T-E/ST has many applications in electronics and signal processing, including:

• Servo Control - The MCP47FVB21A3T-E/ST can be used to create an analog voltage signal from a digital signal from a PLC or other controller. This signal can be used to directly drive a servo motor.
• Data Acquisition - The MCP47FVB21A3T-E/ST can be used to acquire and digitize analog signals from various sources such as pressure transducers, load cells, strain gauges, and thermocouples.
• Audio Processing - The DAC can be used to transform digital audio signals into analog signals for audio playback.
• Medical Applications - The MCP47FVB21A3T-E/ST can be used to create a continuous analog signal from an EEG or other bio-signals.
• Industrial Automation- In industrial automation, the DAC can be used to generate analog signals to control the speed and direction of motors.

Working Principle of MCP47FVB21A3T-E/ST

At the core of the MCP47FVB21A3T-E/ST DAC is a digitally-controlled voltage source. This voltage source provides a means to create an analog output voltage from a digital input signal. The digital input to the DAC can be either a parallel binary code or serial digital words. The code words are stored in on-chip registers and the DAC output is driven from the digital input words. This digital input is converted to an analog voltage at the DAC output terminal. The voltage output is determined by the ratio and resolution of the digital input. The resolution of the DAC is determined by the number of bits used to represent the digital input. The MCP47FVB21A3T-E/ST has a 12-bit resolution, meaning that it can generate analog voltages to a resolution of 1/4095th of the full-scale range. The DAC can also be configured to use either an external reference voltage or the on-chip bandgap reference voltage. The external reference voltage is used to set the voltage range of the output; while the bandgap reference sets the resolution. The advantage of using digital to analog conversion is that it is faster and more accurate than traditional analog methods. Furthermore, digital to analog conversion allows for precise control of the analog output, as well as the ability to store and recall various output levels.

Conclusion

The MCP47FVB21A3T-E/ST is a single-channel, 12-bit digital-to-analog converter (DAC). The DAC has a voltage output range of +5V to +0.5V and can be used in various signal processing applications, including servo control, data acquisition, audio processing, medical applications, and industrial automation. The DAC makes use of an encoder and a digitally-controlled voltage source to transform digital signals into analog voltages. The DAC is faster and more accurate than traditional analog methods, and allows for precise control of analog output.

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