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The RT9403A/B/C is a high precision reference voltage generating console consisting of three I<sup>2</sup>C programmable DACs. Each DAC output voltage is controlled by 7 digital bits that are programmed by the I<sup>2</sup>C interface. The RT9403A/B/C features adjustable output slew rate, low switching glitch and adequate driving capability. The RT9403A/B/C is available in SOT-23-8 package.
RT9403A/RT9403B/RT9403C Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>5V Supply Voltage </li><li>Provide 3 Precise Voltage DACs </li><li>I<sup>2</sup>C Programmable 128-Steps Output Voltage </li><li>Output Range and Resolution<font size="1"> <ul class="lv2"> <li></li><li></font> DAC1 & DAC2 : 0.6V to 2.1875V, 12.5mV/Step<font size="1"> </li><li></font> DAC3 : 1.2V to 3.375V, 12.5mV (or 25mV)/Step for Different Segments </li></ul> </li><li>High Output Accuracy Up to 1% (V<sub>OUT</sub> ≥1V) </li><li>Low External Component Count </li><li>Small Footprint SOT-23-8 Package </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Power Supply Adjustment for Motherboard and Graphic Card </li><li>Low Voltage, High Accuracy Reference Voltage Circuit </li></ul></div>
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