MAX5890EGK+TD

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The MAX5890EGK+TD is an integrated dual digital-to-analog converter (DAC) and controller subsystem suitable for a broad range of data acquisition and conversion applications. It combines a single-channel, low-drift, 18-bit DAC, 8-bit SAR, SPI, and I2C controllers, along with a clock generator, a user programmable logic sequencer, and all the logic and analog components necessary for operation. This complete subsystem reduces board design complexity and saves space, as well as offering improved performance that would otherwise be impossible with traditional discrete designs.

The DAC integrates two independent 18-bit latched voltage output DACs with excellent AC and DC performance, providing up to 5-ppm INL (integral nonlinearity) and 0.002% (20 ppm) DNL (differential nonlinearity) over temperature with no offset and gain errors. The DAC can produce output steps with a resolution of 0.33µV. The DACs offer various code-compression algorithms such as Gray-code, and also binary code-splitting to reduce glitch size and spread glitch noise across a wide frequency range. The DAC can generate a voltage reference or sweep current with a resolution of 0.2mA, which is used to bias paralleled electronic loads.

The MAX5890EGK+TD integrates an 8-bit SAR ADC and an I2C bus controller and provides control and status registers to enable easy communication. The SPI (serial peripheral interface) controller supports SPI modes 0, 1, 2, 3, and four selectable clock phases the range of devices. It provides 16-byte FIFO to store digital data for DACs.

In addition, the MAX5890EGK+TD programmable-logic sequencer offers up to 16 user programmable logic sequences, which can be combined with various DAC features and peripherals including internal/external clock sources, timers, delays, and power-down events. This powerful feature makes it easy to create complex logic sequences, enabling flexible control of various devices and data acquisition applications.

The MAX5890EGK+TD provides two DAC outputs, two analog inputs, and an analog output, allowing users to create low-noise and accurate systems by leveraging extensive onboard software, address, and scheduling functions. Requiring only a 5V supply, this device offers output performance that sets a new standard in analog accuracy and resolution. With its feature-rich offerings and low total power consumption, the MAX5890EGK+TD is ideal for even the most demanding precision data acquisition and conversion applications.

In summary, the MAX5890EGK+TD is a compact, high-performance system for data acquisition and conversion applications. It integrates dual 18-bit DACs, an 8-bit SAR ADC, an I2C bus controller, a clock generator, a programmable-logic sequencer, and all the necessary logic and analog components into one package, reducing the complexity of board design while offering improved performance that would otherwise be impossible with traditional discrete designs.

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