DAC3484IZAYR

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Data Acquisition - Digital to Analog Converters (DAC) is a vital technology utilized in a variety of applications, from audio equipment to lighting systems, medical devices to industrial automation. The DAC3484IZAYR is one such device, used to convert digital signals into analog signals for use in various control systems. In this article, we will explore the applications and working principle of the DAC3484IZAYR.

Application Fields

The DAC3484IZAYR is widely used in a variety of applications requiring digital-to-analog (D/A) conversion. These applications include motor control, audio systems, instrumentation (e.g. medical imaging equipment), process control, and home automation. The DAC3484IZAYR is ideal for these applications due to its high precision and low noise levels. It is especially well-suited for industrial automation applications, where it can be used in a distributed control system (DCS) for motor control and other analog signal processing tasks.

Specifications

The DAC3484IZAYR is an 8-channel, 16-bit DAC with an onboard memory of 4 Mbits. It is capable of resolution of 16 bits uninterrupted and can provide an output stable operating range of -10V to +10V. It also has an LED indicator to indicate the operating status of the device. It is also equipped with protection features such as under-voltage lockout, over-current protective shutoff, and over-temperature shutoff.

The DAC3484IZAYR provides an extremely low noise floor, with a signal-to-noise ratio (SNR) of 94dB for 0.1V input and a total harmonic distortion (THD) of -90dB for 0.1V input. It also provides a low power consumption of just 11mA during normal operation.

Working Principle

When digital signals are converted into analog signals using the DAC3484IZAYR, it works by utilizing a binary-weighted network with an analog summing node. The DAC3484IZAYR takes in a digital input stream approach by feeding bit-by-bit data where the data is combined and summed at the analog node. The analog summing node is a combination of the binary weighted resistors whose dynamic resistance is determined by the voltage applied to it at different bit-weighted nodes.

The Digital-to-Analog converter uses an on-board microcontroller which reads and stores the bit-by-bit data in a latch. The data is then clocked out serially, with the voltage varying depending on the bit-weighted node. The digital data is then converted into analog signals, with the DAC3484IZAYR supporting both single-ended and differential outputs.

The DAC3484IZAYR also provides various protection features to ensure that it remains safe from any over-currents, under-voltage, or over-temperature events. This ensures that the DAC works efficiently and safely in applications ranging from automotive control to industrial automation.

Conclusion

The DAC 3484IZAYR is a highly advanced Digital-to-Analog Conversion device that is widely used for industrial applications. It works using a binary-weighted network and analog summing node and is capable of extremely low noise levels and low power consumption. It is an ideal choice for applications that require precision and stability, such as motor control and medical imaging equipment.

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