The internal reference buffer supports VREFBUF = 4.4V maximum. By grounding REFIN, the internal buffer may be disabled allowing REFBUF to be overdriven with an external reference voltage between 2.5V and 5V
The internal reference buffer supports VREFBUF = 4.4V <br>maximum. By grounding REFIN, the internal buffer may <br>be disabled allowing REFBUF to be overdriven with an <br>external reference voltage between 2.5V and 5V