The OP196GSZ is a micropower single Operational Amplifier with rail-to-rail input and output ranges. The extremely low power requirements and guaranteed operation from +3 to +12V make this amplifier perfectly suited to monitor battery usage and to control battery charging. Their dynamic performance, including 26nV/√Hz voltage noise density, recommends them for battery-powered audio applications. Capacitive loads to 200pF is handled without oscillation.