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Data Acquisition - Digital to Analog Converters (DAC)

DAC1003D160HW/C1,5 application field and working principle

The DAC1003D160HW/C1,5 is a high-performance digital-to-analog converter (DAC) designed to convert digital signal into analog signal in the application fields of industrial control, instrumentation, industrial automation, etc. This DAC is equipped with a 12 bit resolution and capable of producing analog signal with up to 8 kHz of frequency. Its key features includes low power consumption, high resolution and easy configuration.

Different from the traditional DAC, which current source is switched in parallel by an analog multiplexer, the DAC1003D160HW/C1,5 utilizes current ratio architecture to make the current source of each bit of the DAC is individually controlled by a switching element. This current ratio architecture helps to reduce the total harmonic distortion significantly, as well as provide higher resolution and better linearity.

In total, the DAC1003D160HW/C1,5 features up to 16-bit resolution and delivers an output voltage range of 0 to 10 VDC. This DAC also built with a channel-wide power-saving feature for decoupling the power supply of its output arms when the output reaches a certain level. This helps reduce the power consumption to low level and further enhances the noise immunity of measurement systems.

Working Principle

The DAC1003D160HW/C1,5 operates on a multi-bit digital-to-analog (DAC) basis. This is done by a current ratio architecture which uses switch elements in a ratiometric structure to control the current sources of each bit. This structure offers a great advantage over the traditional DAC, as the linearity, resolution and distortion are great improved while the power consumption are greatly decreased.

The DAC1003D160HW/C1,5 follows the concept of "current binary ratio". A binary line is generated, and each bit is amplified through an associated switch element. The amplified output is then combined with all other bits and is used to control the reference current. In this way, the combined output is designed such that is has the same output voltage range and resolution when it is powered with up to 16-bit digital input.

In order to produce more accurate and linear analog signals, the DAC1003D160HW/C1,5 also includes a power-saving feature for decoupling the output arms when the DAC’s output reaches a certain level. This helps reduce the power consumption and further enhance the noise immunity of the DAC.

Conclusion

The DAC1003D160HW/C1,5 is a high-performance digital-to-analog converter (DAC) designed to convert digital signal into analog signal in the application fields of industrial control, instrumentation, industrial automation, etc. This DAC features up to 16-bit resolution and delivers an output voltage range of 0 to 10 VDC. Its key features includes low power consumption, high resolution and easy configuration. It improved the linearity, resolution and distortion compared with traditional DACs and is an ideal choice for those looking for a reliable and high-performance DAC for their application.

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