DAC8841FS

Reference Type:	External
Base Part Number:	DAC8841
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±0.5, ±1 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Series:	TrimDAC®
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	6µs
Number of D/A Converters:	8
Number of Bits:	8
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Digital to Analog Converters (DAC)

The DAC8841FS is a digital-to-analog converter (DAC) and is used in a variety of data acquisition applications. It is a 12-bit voltage output DAC designed to operate from a single supply of 5V or 3.3V. It is designed to provide an accurate, robust, low-noise, low-distortion capacitive DAC solution for high-precision, low-power applications.

Application

The DAC8841FS is ideal for a wide range of data acquisition applications. It can be used as a voltage output device in process control and motor control systems. It is also used in robotic arm control, analog instrumentation control, and as a precision additive source in servo/motor control systems. The DAC8841FS is also suitable for applications where higher resolution and accuracy is required, such as robotic arm navigation and navigation control systems, medical instrumentation, and radar systems.

Working Principle

The working principle of the DAC8841FS is based on the use of a voltage comparator that is programmed with a reference voltage. The reference voltage is set to a value that corresponds to the desired analog output. The comparator is then used to compare the digital input data with the reference voltage.When the digital input data is greater than the reference voltage, the output of the comparator is a HIGH. This causes the DAC to increase the analog output. On the other hand, when the digital input data is less than the reference voltage, the output of the comparator is a LOW. This causes the DAC to decrease the analog output.The output of the DAC can be further converted to other forms of output, such as current, frequency, or pulse width modulation (PWM). This is achieved by using analog multiplexers and other devices.

Conclusion

The DAC8841FS is a robust and versatile digital-to-analog converter designed for a wide range of data acquisition applications. It is a 12-bit voltage output DAC that operates from a single supply of 5V or 3.3V. It is also suitable for applications requiring higher resolution and accuracy. The working principle of the DAC8841FS is based on the use of a voltage comparator that is programmed with a reference voltage. The output of the DAC can be further converted to other forms of output, such as current, frequency, or pulse width modulation (PWM).

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