DAC101C085CIMM/NOPB

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Data Acquisition - Digital to Analog Converters (DAC) have been used to process and measure analog information for a number of years. The DAC101C085CIMM/NOPB is a 12-bit digital-to-analog converter (DAC) that provides digital control of an output voltage from 0 V to 5V. It is designed to meet all of the requirements for industrial control systems and is ideal for applications where low power consumption and high accuracy are important. This application note focuses on the features and specifications of the DAC101C085CIMM/NOPB, its application fields and working principles.

Features of the DAC101C085CIMM/NOPB

The DAC101C085CIMM/NOPB is a low-power, 12-bit, serial-input, voltage output digital-to-analog converter (DAC). It operates over a single-supply voltage range of 2.7V to 5.5V, and provides an interpolation between five output voltage ranges of 0V to 5V. The output range is programmable by software, allowing the user to customize the device to meet their specific requirements. The DAC101C085CIMM/NOPB also offers a fast conversion time of 10µs and has a high accuracy of 3LSBs in the mid-scale output range.

The DAC101C085CIMM/NOPB also features a shutdown mode that allows the DAC to be disabled for power saving. When in shutdown mode, the current consumption of the device is reduced to 3µA, making it suitable for battery-powered applications. The device also features an output enable option, which allows the output to be enabled or disabled to avoid noise disruption.

Application Fields of the DAC101C085CIMM/NOPB

The DAC101C085CIMM/NOPB is ideal for applications that require low-power and high accuracy. It is particularly suitable for industrial control, medical, process control, automotive, and aerospace applications. The DAC101C085CIMM/NOPB can also be used in signal conditioning applications such as line drivers, video and audio signal generation, and signal conditioning.

The DAC101C085CIMM/NOPB is also suitable for use in various sensor signal conditioning applications. It can be used for digital-to-analog signal conversion, signal isolation, temperature compensation, and for output isolation of sensor signal.

Working Principle of the DAC101C085CIMM/NOPB

The working principle of the DAC101C085CIMM/NOPB relies on the process of analog-to-digital conversion. The device converts an input digital value into an analog output voltage. The DAC is composed of several key components such as voltage reference, gain and offset, and the Digital Word Converter (DWC), which is responsible for the conversion of the input digital word into an equivalent output voltage. The voltage reference component is used to set the full-scale and zero-scale voltage output reference points.

The Digital Word Converter (DWC) is the core component of DAC101C085CIMM/NOPB. It is responsible for generating the analog voltage corresponding to the digital word inputs. The DWC takes the separate bits of the digital word (data words) as input, and generates an output voltage corresponding to the data words on the input. The DWC also determines the gain and offset of the voltage output, and can be programmed to match the desired gain and offset of the output.

The DAC101C085CIMM/NOPB also includes other components such as an asynchronous reset circuit and a power-on-reset circuit. The asynchronous reset circuit is used to reset the DAC to the zero-scale voltage on chip power-up. The power-on-reset circuit is responsible for maintaining the DAC’s accuracy during long periods of power-down. This ensures that the DAC’s output is within specifications even when the power supply is interrupted.

Conclusion

The DAC101C085CIMM/NOPB is a low-power, 12-bit, serial-input, voltage output digital-to-analog converter (DAC). It is ideal for industrial control, medical, process control, automotive, and aerospace applications. The device features a fast conversion time of 10µs, a low power consumption of 3µA in shutdown mode, and high accuracy of 3LSBs in the mid-scale output range. The working principle of the DAC101C085CIMM/NOPB is based on analog-to-digital conversion, with the Digital Word Converter (DWC) providing conversion of the input digital word into an equivalent output voltage.

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