Type Linear Applications Ideal for data acquisition systems, high-resolution ADC/DAC designs, and both positive and negative voltage reference applications On-board modules REF34xx - high-precision CMOS voltage reference from Texas Instruments Key Features Low temperature drift, high initial accuracy, ultra-low power consumption, low output noise, multiple fixed output voltage options, high output current capability, excellent long-term stability, low output-voltage hysteresis, high impedance shutdown mode, and more Interface GPIO Feature Click Snap,ClickID Compatibility mikroBUS™ Click board size M (42.9 x 25.4 mm) Input Voltage 3.3V or 5V