RT9403E

RT9403D/E/F/G I2C Programmable High Precision Reference Voltage Generator General Description The RT9403D/E/F/G is a high precision reference voltage generating console consisting of three I2C programmable DACs. Each DAC output voltage is controlled by 7 digital bits that are programmed by the I2C interface. The RT9403D/E/F/G features adjustable output slew rate, low switching glitch and adequate driving capability. The RT9403D/E/F/G is available in SOT-23-8 package. Ordering Information RT9403D/E/F/G Package Type V8 : SOT-23-8 Lead Plating System G : Green (Halogen Free and Pb Free) Address Bit [A1,A0] D : [0,0] E : [0,1] F : [1,0] G : [1,1] Note : Richtek products are : ` RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. ` Suitable for use in SnPb or Pb-free soldering processes. Pin Configurations (TOP VIEW) Features z 5V Supply Voltage z Provide 3 Precise Voltage DACs z I2C Programmable 128-Steps Output Voltage z Output Range and Resolution ` DAC1 & DAC2 : 0.6V to 2.1875V, 12.5mV/Step ` DAC3 : 1.2V to 3.375V, 12.5mV (or 25mV)/Step for Different Segments z High Output Accuracy Up to 1% (VOUT ≥ 1V) z Low External Component Count z Small Footprint SOT-23-8 Package z RoHS Compliant and Halogen Free Applications z Power Supply Adjustment for Motherboard and Graphic Card z Low Voltage, High Accuracy Reference Voltage Circuit Marking Information RT9403DGV8 07=DNN 07= : Product Code DNN : Date Code RT9403EGV8 08=DNN 08= : Product Code DNN ...