AD420ARZ-32

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The AD420ARZ-32 is a 12-bit high precision Digital to Analog Converter (DAC) module designed to offer an all in one solution for converting digital signals to analog. Its application field spans across many industries and products, including automotive, aerospace, medical, and industrial, and it is ideal for embedded applications such as motor control, instrumentation and data acquisition.

The functionality of the AD420ARZ-32 is based on the 12-bit R2R architecture. R2R stands for “resistor resistor”, which implies the use of resistors in the digital-to-analog conversion chain. In this type of architecture, resistors are connected in a ladder-like formation, where each output node of the ladder includes a connection to a Digital to Analog Converter (DAC). This type of architecture allows for digital inputs to be connected directly to the DAC module causing it to output the digital input voltage as an analog voltage.

The AD420ARZ-32 contains a single-ended, 12-bit voltage output. It features a full-scale output voltage of 5 V, with a voltage range of 0-5V and a resolution of 0.25V per bit. Additionally, the module has an internal reference voltage of 1.18V and an output load handling capability of up to 50 Ohm. As the AD420ARZ-32 is designed to allow high accuracy readings, the module also has a claimed total accuracy of 0.004%.

The AD420ARZ-32 module allows for a number of different power sources, giving designers and engineers flexibility in their design. The single 12-bit DAC can be powered from an external +3.3V supply or from an on-board +3.3V battery. It allows for voltage operating ranges from +2.7V to +4.6V. For on-board power, the estimated standby current is just 0.65mA.

The AD420ARZ-32 is ideal for embedded applications due to its low power requirements, excellent accuracy and the ability to interface easily with microcontrollers and analog-to-digital converters. It is also very simple to use, allowing even specialists in the field to get up and running quickly. Its wide operating temperature range is also an advantage, allowing it to be used in harsh environments.

In summary, the AD420ARZ-32 is an ideal module for many applications, particularly those in the automotive, aerospace and medical fields. With its wide range of features and its ease of use, it can provide high precision analog to digital conversion in a small package.

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