Maxim MAX9777, MAX9778 manual Package Information

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MAX9777/MAX9778

Stereo 3W Audio Power Amplifiers with Headphone Drive and Input Mux

Package Information

(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)

QFN THIN.EPS

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Contents Part Control PIN PKG Interface Package Code MAX9777ETI+ MAX9778ETI+Parameter Symbol Conditions MIN TYP MAX Units Output Amplifiers Speaker MODE, HPS = GNDHeadphone Sense Input HPS Bias Voltage BiasDigital Inputs MUTE, SHDN, HPSEN, GAINA/B, IN1/2 Timing Characteristics MAX9777 Typical Operating Characteristics Total Harmonic Distortion Plus NoiseMAX9777/MAX9778 Entering Shutdown Speaker Mode RL = 32Ω Headphone Mode Power Pin Description PIN Name FunctionDetailed Description Headphone Sense EnableInputs Gain Mode Hpsd SPKR/HP HPS Path BIT Input MultiplexerMAX9778 HPS Setting Inputs Mode Gain Path Hpsen HPSWire Serial-Interface Timing Diagram Digital InterfaceEarly Stop Condition ADD Connection 2C AddressRegister Address RegisterAddress BIT Name Value Description BIT Name Value DescriptionMAX9777 Control Register Format BTL Speaker Amplifiers Power Dissipation and Heat SinkingApplications Information Single-Ended Headphone AmplifierComponent Selection Reducing Cout by Adding RseriesGain Select Layout and GroundingTypical Application Circuits MAX9777MAX9778 Functional Diagrams PvddPV DD Pin Configurations Thin QFNPackage Information MAX9777/MAX9778