ISL5961/2IAZ

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Data Acquisition - Digital to Analog Converters (DAC) are tools used to convert a digital signal into an analog signal. One type of Digital to Analog Converter that is commonly used is the Texas Instruments (TI) model ISL5961/2IAZ. The ISL5961/2IAZ is a low power, general purpose, integrated circuit for complete 24-bit, delta-sigma DACs. As a result, it is suitable for applications that require the highest accuracy, such as industrial process control systems, medical test instruments, motor drives, and monitors.

ISL5961/2IAZ has a range of features that make it well suited for digital to analog conversion. The device is designed to be powered by a single (1V to 5.5V) power supply, and consumes a very low amount of power. The ISL5961/2IAZ offers 24-bit resolution and is capable of generating an output current range of 0-100mA per output, which allows it to produce accurate, high-resolution analog voltages. Additionally, the device offers 0.008-Bit in-band noise, monotonicity and a typical high sample rate of 1550-Msps. Further, the device includes various features to minimize spuriosity and high-frequency noise.

The ISL5961/2IAZ is based on the delta-sigma architecture, which includes a modulator, operational amplifier, and decimator, and is simple to use. It has a wide range of operating modes including Single Frequency Mode (SFM), Multi-Frequency Mode (MFM), and Multi-Pulse Mode (MPM). In SFM, the output of the DAC is determined by the period of a single frequency clock. In MFM, the output is based on the phase difference between two frequencies and in MPM, the output is based on the phase difference between multiple frequencies.

These operating modes provide significant flexibility in the design of ISL5961/2IAZ application and projects. Simple digital control allows a wide range of applications at the user’s fingertips. The good accuracy, low power, and high sampling rate make this device ideal for a wide range of applications, such as in motor control, battery-powered systems, and process control systems.

The ISL5961/2IAZ also features a “One Channel Range” mode which simplifies the calibration process across all channels when operating in multiple ranges. Further, it offers JESD204B and 16/32-bit Parallel LVDS ports for direct interface to FPGAs and ADCs, allowing for easy integration into a variety of systems. The compact package size, low cost, and wide range of features make the ISL5961/2IAZ an ideal choice for digital to analog conversion in a variety of applications.

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