Package Information

MAX9777/MAX9778

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

(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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Maxim MAX9777, MAX9778 manual Package Information

Contents

Part Control PIN PKG Interface Package Code MAX9777ETI+ MAX9778ETI+ Parameter Symbol Conditions MIN TYP MAX Units Output Amplifiers Speaker MODE, HPS = GND Headphone Sense Input HPS Bias Voltage BiasDigital Inputs MUTE, SHDN, HPSEN, GAINA/B, IN1/2 Timing Characteristics MAX9777 Typical Operating Characteristics Total Harmonic Distortion Plus Noise MAX9777/MAX9778 Entering Shutdown Speaker Mode RL = 32Ω Headphone Mode Power Pin Description PIN Name Function Detailed Description Headphone Sense EnableInputs Gain Mode Hpsd SPKR/HP HPS Path BIT Input Multiplexer MAX9778 HPS Setting Inputs Mode Gain Path Hpsen HPS Wire Serial-Interface Timing Diagram Digital Interface Early Stop Condition ADD Connection 2C Address Register Address RegisterAddress BIT Name Value Description BIT Name Value Description MAX9777 Control Register Format BTL Speaker Amplifiers Power Dissipation and Heat SinkingApplications Information Single-Ended Headphone Amplifier Component Selection Reducing Cout by Adding Rseries Gain Select Layout and Grounding Typical Application Circuits MAX9777 MAX9778 Functional Diagrams Pvdd PV DD Pin Configurations Thin QFN Package Information MAX9777/MAX9778