ISL5629/2INZ

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Data acquisition is all about making sense of data from the outside world. Digital-to-Analog Convertors (DAC), such as the ISL5629/2INZ, are used for this purpose by converting digital data into analog signals for computer or controlling hardware. The ISL5629/2INZ DAC is a four-channel 8-bit, high-speed and high-accuracy DAC with a 125 MSPS max sample rate and an Industrial Temp. range of -40°C to +85°C. In this article, we will discuss the application field and working principle of the ISL5629/2INZ.

Application Field

The ISL5629/2INZ DAC is designed for a variety of applications, including industrial automation, robotics, test and measurement, medical imaging, process control, and telecommunications. It is ideal for multiplexing in moving-object tracking applications, such as radar and ultrasound imaging, and offers high-precision voltage or current output with a differential DAC architecture. In addition, it is an ideal DAC solution for providing high-resolution, high-speed signals in multiplex imaging systems.

The ISL5629/2INZ supports multi-channel operation and makes it easier to interface with other digital input sources and multiple ADC chips. It also serves as an ideal companion chip for the ISL2829 A/D converter, enabling users to build complete analog-to-digital systems. The ISL5629/2INZ is designed to interface directly with FPGAs, microcontrollers, and SoC system solutions, allowing for faster data acquisition and processing.

Working Principles

The ISL5629/2INZ DAC is designed for high speed, low noise, and low power usage. At its core, the DAC utilizes a differential architecture which helps reduce system noise compared to single-ended architectures. The design also features a variable output slew rate, allowing for higher output frequency responses.

The ISL5629/2INZ DAC operates by driving a pair of outputs with a differential signal, the magnitude of which is determined by the digital input to the DAC. This generates a voltage or current at the output, depending on the configuration of the DAC. The outputs have a range of 0 V to Vref, with Vref adjustable between 1.2 V and 2.5 V by the use of external pins. The output can be configured in either unipolar or bipolar modes, with a resolution of 8 bits (256 steps).

The ISL5629/2INZ DAC also features a selectable output amplifier gain-bandwidth product, allowing users to adjust the bandwidth and slew rate of the output based on the application. The high output bandwidth ensures that the DAC can keep up with high-speed inputs and produce accurate output signals, making it the ideal DAC solution for applications with high data rates. The ISL5629/2INZ also features programmable output offset, allowing for further customization of the output.

Conclusion

The ISL5629/2INZ DAC is a powerful, high-speed and high-accuracy DAC designed for a variety of applications. It is an ideal companion to the ISL2829 A/D converter, making it the perfect solution for complete analog-to-digital systems. With its differential architecture, selectable output amplifier gain-bandwidth product, and adjustable output offset, the ISL5629/2INZ is the perfect DAC solution for applications with high data rate and/or multiplex imaging demands.

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