The Microchip MCP6L01/02/04 range of devices are general purpose Operational Amplifiers available in single, dual and quad variants.
Features
Gain Bandwidth Product (GBWP): 1 MHz Quiescent Current: 85 μA (typical) Supply voltage range: 1.8V to 6V Rail to Rail Input and Output Extended Temperature Range: -40°C to +125°C