MAX5123AEEE+T

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The MAX5123AEEE+T is a I²C interface digital-to-analog converter (DAC) that offers an ultra-dense solution for applications that require an analog output while using minimal board space. It features an on-chip voltage reference, and its programmable gain capability extends the dynamic range of the channel without the addition of an external resistor divider. The MAX5123AEEE+T offers 12-bits of precision and is ideal for applications such as automated test equipment, data acquisition systems, process control, or medical instruments.

In terms of its application field, the MAX5123AEEE+T is designed for precision applications that require 16 fine voltage resolution and programmable gain settings. This converter is well suited for applications such as motion control, modems and motor control, where accurate current feedback is needed for accurate control. In addition, it can be used for monitoring and isolating sensor signals, wherein exacting voltage control is essential for maximum dynamic range and accuracy.

Regarding the working principle, the MAX5123AEEE+T combines several features such as an on-chip voltage reference and a serial interface to allow very compact hardware designs. Initially, the DAC is programmed with a 12-bit data word into its 16-bit wide input register that stores the digital word. With further update of the digital word, the changed output analog voltage is achieved by a process of charge redistribution around a resistor ladder array.In addition, MAX5123AEEE+T features a Serial Peripheral Interface (SPI), which allows multiple chips to be addressed simultaneously with two distinct serial protocols.

By combining both a high linearity DAC and an on-chip voltage reference, the chip offers an ideal combination of performance and space savings. With extreme density and high speed, the MAX5123AEEE+T is a great solution for applications needing high precision DACs in limited space.

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