Maxim manual MAX9777/MAX9778

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

Package Information (continued)

(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.)

MAX9777/MAX9778

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 27

© 2006 Maxim Integrated Products

Printed USA

is a registered trademark of Maxim Integrated Products, Inc.

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Contents MAX9778ETI+ Part Control PIN PKG Interface Package Code MAX9777ETI+Output Amplifiers Speaker MODE, HPS = GND Parameter Symbol Conditions MIN TYP MAX UnitsBias Voltage Bias Digital Inputs MUTE, SHDN, HPSEN, GAINA/B, IN1/2Headphone Sense Input HPS Timing Characteristics MAX9777 Total Harmonic Distortion Plus Noise Typical Operating CharacteristicsMAX9777/MAX9778 Entering Shutdown Speaker Mode RL = 32Ω Headphone Mode Power PIN Name Function Pin DescriptionInput Multiplexer Headphone Sense EnableInputs Gain Mode Hpsd SPKR/HP HPS Path BIT Detailed DescriptionInputs Mode Gain Path Hpsen HPS MAX9778 HPS SettingDigital Interface Wire Serial-Interface Timing DiagramADD Connection 2C Address Early Stop ConditionBIT Name Value Description RegisterAddress BIT Name Value Description Register AddressMAX9777 Control Register Format Single-Ended Headphone Amplifier Power Dissipation and Heat SinkingApplications Information BTL Speaker AmplifiersReducing Cout by Adding Rseries Component SelectionLayout and Grounding Gain SelectMAX9777 Typical Application CircuitsMAX9778 Pvdd Functional DiagramsPV DD Thin QFN Pin ConfigurationsPackage Information MAX9777/MAX9778