Abstract: Single-supply circuitry saves space and cost, but audio and video are usually referenced to ground, which requires two op amps and a negative rail. This circuit, however, uses only one op amp (MAX4380) to level-shift a ground-referenced signal while operating on a single supply voltage. Maxim > Design support > App notes > Amplifier and Comparator Circuits > APP 4836 Maxim > Design support > App notes > Audio Circuits > APP 4836 Maxim > Design support > App notes > Video Circuits > APP 4836 Keywords: portable, battery operated, single-supply circuitry, op amps, level shifters Feb 08, 2011 APPLICATION NOTE4836 Single-Supply Op Amp Forms Noninverting Level Shifter Abstract:Single-supply circuitry saves space and cost, but audio and video are usually referenced to ground, which requires two op amps and a negative rail. This circuit, however, uses only one op amp (MAX4380) to level-shift a ground-referenced signal while operating on a single supply ……