Rainbow-electronics MAX9877 Manual do Utilizador

General DescriptionThe MAX9877 combines a high-efficiency Class Daudio power amplifier with a stereo Class AB capacitor-less DirectDrive®headphone amp

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MAX9877Typical Operating Characteristics (continued)(VDD= PVDD= 3.7V, VGND= VPGND= 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB,

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MAX9877Typical Operating Characteristics (continued)(VDD= PVDD= 3.7V, VGND= VPGND= 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB,

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MAX9877Low RF Susceptibility, Mono AudioSubsystem with DirectDrive Headphone Amplifier________________________________________________________________

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MAX9877MIXERANDMUXINPUT A0dB/+9dB/+20dBINA2INA1INPUT B0dB/+9dB/+20dBINB2INB1-75dB TO 0dB0dB HPR-75dB TO 0dB0dB HPL-75dB TO 0dB+12dBOUT+OUT-Figure 1. S

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MAX9877Low RF Susceptibility, Mono AudioSubsystem with DirectDrive Headphone Amplifier________________________________________________________________

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MAX9877I2C Register DescriptionZero-Crossing Detection (ZCD)Zero-crossing detection limits distortion in the outputsignal during volume transitions by

Shutdown (SSHHDDNN)1 = MAX9877 operational.0 = MAX9877 in low-power shutdown mode.SHDN is an active-low shutdown bit that overrides allsettings and pl

MAX9877Table 6. Oscillator ModesOSCB1 B0CLASS D OSCILLATOR MODE (kHz) CHARGE-PUMP OSCILLATOR MODE (kHz)0 0 1176, spread spectrum 588, spread spectrum0

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MAX9877A0SLAVE ADDRESS REGISTER ADDRESS DATA BYTEACKNOWLEDGE FROM MAX9877R/W1 BYTEAUTOINCREMENT INTERNALREGISTER ADDRESS POINTERACKNOWLEDGE FROM MAX98

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Applications InformationFilterless Class D OperationTraditional Class D amplifiers require an output filter torecover the audio signal from the amplif

Increasing the value of C1 reduces the charge-pump out-put resistance to an extent. Above 1µF, the on-resistanceof the switches and the ESR of C1 and

MAX9877WLP Applications InformationFor the latest application details on WLP construction,dimensions, tape carrier information, PCB techniques,bump-pa

MAX9877Low RF Susceptibility, Mono AudioSubsystem with DirectDrive Headphone Amplifier________________________________________________________________

MAX9877Low RF Susceptibility, Mono AudioSubsystem with DirectDrive Headphone AmplifierMaxim cannot assume responsibility for use of any circuitry othe

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MAX9877Low RF Susceptibility, Mono AudioSubsystem with DirectDrive Headphone Amplifier________________________________________________________________

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MAX9877Low RF Susceptibility, Mono AudioSubsystem with DirectDrive Headphone Amplifier________________________________________________________________

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MAX9877EFFICIENCY vs. OUTPUT POWERMAX9877 toc19OUTPUT POWER (W)EFFICIENCY (%)1.510005060108030702090400 3.00.5 2.01.0 2.5VDD = PVDD = 5VfIN = 1kHzDASH