DEM-DAC900E

Series:	SpeedPlus™
Part Status:	Obsolete
Number of DAC's:	1
Number of Bits:	10
Sampling Rate (Per Second):	165M
Data Interface:	Parallel
Settling Time:	30ns
DAC Type:	Current
Supplied Contents:	Board(s)
Utilized IC / Part:	DAC900E

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Introduction

Evaluation boards - Digital to Analog Converters (DACs) are devices that are used to convert digital signals into an analog form, such as voltage or current. The DEM-DAC900E is one such device that is designed to provide the user with a cost-effective solution for signal conversion. This application note examines the application field and working principle of the DEM-DAC900E and also provides a brief overview of its features.

Application Field and Working Principle

The DEM-DAC900E was developed to provide a low-cost analog-to-digital conversion (ADC) solution for applications requiring the conversion of digital signals into analog. It is designed to be used in applications where accuracy and precision are essential. The DEM-DAC900E is also suitable for automotive applications due to its resistance to noise and low power consumption.The DEM-DAC900E has two fixed digital voltage ranges, 0 to 5 volts (V) and 0 to 10 V. The voltage can be adjusted using the analog-to-digital conversion (ADC) through two channels, which provide a linear response from 0 to 10 V and 0 to 5V respectively. The DAC also provides a closed-loop servo control to maintain the accuracy of the output.The DEM-DAC900E works on the principle of the Analog-to-Digital Conversion (ADC). In this process, the digital signals are converted to a corresponding analog voltage. First, the input signal is digitized by a analog to digital converter (ADC). The values of the individual bits then are compared with a reference voltage which then produces an output voltage with the corresponding analog values. The DAC also features a PWM (pulse width modulation) output which can be used to generate output signals with different pulse widths.

Features

The DEM-DAC900E has a variety of features that make it an excellent choice for many applications. The DAC is specially designed to be used in applications requiring accuracy and precision. It has a low-power consumption of 4.5W and its operation is resistant to noise.The DEM-DAC900E can provide an output range of 0 to 10V and 0 to 5V. It can also provide pulse width modulated (PWM) outputs with different pulse widths to generate signals of varying sizes. Furthermore, the DAC features a closed-loop servo control to maintain output precision.The DEM-DAC900E also features a microcontroller which can be used to pre-program control settings, allowing the user to customize the device according to their needs. The board also includes a USB connector for easy connection to other systems and devices.

Conclusion

To summarize, the DEM-DAC900E is an ideal low-cost, high-precision solution for DAC applications requiring accuracy and precision. It operates on the principle of the ADC and features a low-power consumption and noise resistance. The DAC also provides a range of features such as a PWM output, two fixed input ranges, closed-loop servo control, a microcontroller for programming custom settings, and a USB connector.

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