AD5312BRM-REEL

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The AD5312BRM-REEL is a 12-bit digital-to-analog converter (DAC) from Analog Devices. The DAC has a rail-to-rail output stage that can drive 1mA or 10mA loads, which makes it suitable for a wide range of application fields. The conversion resolution is optimized for ±0.8 LSB INL, ensuring excellent linearity performance. It also offers adjustable internal output amplification to optimize full-scale range, and selectable internal reference options to enable higher resolution from single-power supplies.

The AD5312BRM-REEL is ideal for data acquisition applications, such as those found in industrial control, motor control, image processing, and automated test equipment. Its fast settling time and wide bandwidth make it suitable for applications in audio and video industry, especially those requiring high-speed operation and high noise immunity.

The AD5312BRM-REEL DAC is designed to operate from dual 5 V power supplies, with a typical power consumption of 220 μA. The DAC has an integrated gain amplifier and supports a wide range of SPI interfaces operating at frequencies up to 50 MHz.

The AD5312BRM-REEL uses a resistor string architecture to achieve 12-bit resolution, or 4096 different output states. The reference voltage for the DAC is programmable with an external resistor divider. The reference voltage can be set to any nominal value from 0.2 V to 5 V. The DAC accuracy is guaranteed at ±3 LSB, and the typical offset voltage is +500 μV.

The device output is a differential current source between two pins, one for logic low and the other for logic high. It supports internal gain amplification as well as variable external amplifications for each of the two logic levels. The output range of the DAC is limited to its supply rails, which ensures that any input code greater than the upper limit will saturate the output, while overflow will not be produced.

The AD5312BRM-REEL operates over a temperature range of −40°C to 85°C and is available in a 24-lead TSSOP package. It features stringent immunity to environmental noise and is immune to 1 V-rated ESD pulses. It is a highly integrated, low power, and cost-effective solution for many precision data acquisition applications.

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