RT9403C

RT9403A/B/C I2C Programmable High Precision Reference Voltage Generator General Description Features The RT9403A/B/C 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 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. Ordering Information RT9403A/B/C Package Type V8 : SOT-23-8 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 Lead Plating System Applications G : Green (Halogen Free and Pb Free) z Power Supply Adjustment for Motherboard and Graphic Address Bit [A1,A0] A : [0,1] Card B : [1,0] z Low Voltage, High Accuracy Reference Voltage Circuit C : [1,1] Note : Richtek products are : Pin Configurations (TOP VIEW) S3/EN VOUT3 VOUT2 VOUT1 ` RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. ` Suitable for use in SnPb or Pb-free soldering processes. 87 6 5 VDD GND SCL SDA Marking Information RT9403AGV8 01=DNN 01= : Product Code DNN : Date...