A simplified voltage reference topology with low power consumption based on MOS transistors in weak inversion operation is presented. A 176 mV @ 27°C output voltage with a quiescent current of 2.7 μA @ 3.3 V and a thermal coefficient of 8.8 μV/°C in the temperature range of [-25; 100] °C had been achieved in measurement results. The circuit had been fabricated in AMS 0.35 μm C35B4 CMOS technology with an active area of 105 & <μm x 212 μm.