NCx2009x Operational Amplifiers onsemi NCx2009x Operational Amplifiers offer rail-to-rail input and output operation, 350kHz bandwidth, and are available in single, dual, and quad configurations. The rail-to-rail operation allows the use of the entire supply voltage range while taking advantage of the 350kHz bandwidth. The NCx2009x operates from a 1.8V to 5.5V supply voltage over a temperature range from -40°C to +125°C.