Rainbow-electronics MAX98088 Manual de usuario

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Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808810ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088100Table 24. Excursion Limiter RegistersREGISTER BIT NAME DESCRIPTION0x416DHPUCFExcursion Limiter C

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088101Power LimiterThe IC's power limiter tracks the RMS power delivered to the loudspeaker and b

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088102Distortion LimiterThe IC's distortion limiter ensures that the speaker amplifier’s output d

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088103HeadphoneDirectDrive Headphone AmplifierTraditional single-supply headphone amplifiers have

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088104Class H OperationA Class H amplifier uses a Class AB output stage with power supplies that

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088105Table 27. Headphone Output Mixer RegisterHeadphone Output MixersThe headphone amplifier mixer

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088106Table 28. Headphone Output Level RegisterHeadphone Output VolumeREGISTER BIT NAME DESCRIPTION0x3

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088107Output Bypass SwitchesThe IC's includes two output bypass switches that solve common appli

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088108Click-and-Pop ReductionThe IC includes extensive click-and-pop reduction cir-cuitry. The c

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088109Jack DetectionThe IC features jack detection that can detect the inser-tion and removal of a jac

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808811ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088110Table 33. Jack Detection RegistersBattery MeasurementThe IC measures the voltage applied to SPKL

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088111Table 35. Status and Interrupt RegistersDevice StatusThe IC uses register 0x00 and IRQ to report

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088112Table 36. Device Revision RegisterFigure 33. START, STOP, and REPEATED START ConditionsI2C Seria

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088113Slave AddressThe slave address is defined as the seven most signifi-cant bits (MSBs) followed b

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088114The slave address with the R/W bit set to 0 indicates that the master intends to write

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088115 Applications Information

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088116Figure 40. Typical Application Circuit Using the Digital Microphone Input and Receiver Amplifier

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088117Filterless Class D OperationTraditional Class D amplifiers require an output filter to r

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088118Many configuration options in the ICs can be made while the devices are operating,

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088119Charge-Pump Flying CapacitorThe value of the flying capacitor (connected between C1N and

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808812ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088120Recommended PCB RoutingThe IC uses a 63-bump WLP package. Figure 42 provides an exampl

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088121Route microphone signals from the microphone to the ICs as a differential pair, ensuring

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088122 Package Informati

Stereo Audio Codecwith FLEXSOUND TechnologyMAX98088Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808813ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808814ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808815ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808816ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808817ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808818ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808819ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980882TABLE OF CONTENTSGeneral Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808820DIGITAL INPUT/OUTPUT CHARACTERISTICS (continued)(VAVDD = VHPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808821INPUT CLOCK CHARACTERISTICS(VAVDD = VHPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPKLVDD = VSPKRV

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808822AUDIO INTERFACE TIMING CHARACTERISTICS(VAVDD = VHPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPKLV

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808823DIGITAL MICROPHONE TIMING CHARACTERSTICS(VAVDD = VHPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPK

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808824Figure 4. Digital Microphone Timing DiagramI2C TIMING CHARACTERSTICS(VAVDD = VHPVDD = VDVDD = VDV

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808825I2C TIMING CHARACTERISTICS (continued)(VAVDD = VHPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPKLV

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808826 Power Consumption (continued)(VAVDD

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808827 Power Consumption (continued)(VAVDD

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808828 Typical Operating Characteristics(VAVDD

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808829 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980883TABLE OF CONTENTS (continued)Record Path Signal Processing. . . . . . . . . . . . . . . . . . . .

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808830 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808831 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808832 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808833 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808834 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808835 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808836 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808837 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808838 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808839 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980884TABLE OF CONTENTS (continued)Battery Measurement . . . . . . . . . . . . . . . . . . . . . . . .

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808840 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808841 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808842 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808843 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808844 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808845 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808846 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808847 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808848 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808849 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980885 Functional Diagra

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808850 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808851 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808852 Typical Operating Characteristics (continued)(VAVDD = V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808853 Pin Configura

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808854 Pin Des

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808855 Pin Description (continued)P

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808856 Detailed DescriptionThe MAX98088 is a fully integrated stereo audio codec w

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808857Table 1. Register MapI2C Slave AddressConfigure the MAX98088 using the I2C control bus. The IC us

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808858Table 1. Register Map (continued)REGISTER B7 B6 B5 B4 B3 B2 B1 B0 ADDRESS DEFAULT R/W PAGETime-Di

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808859Table 1. Register Map (continued)REGISTER B7 B6 B5 B4 B3 B2 B1 B0 ADDRESS DEFAULT R/W PAGELEVEL C

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980886Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the d

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808860Table 1. Register Map (continued)REGISTER B7 B6 B5 B4 B3 B2 B1 B0 ADDRESS DEFAULT R/W PAGELeft Sp

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808861Table 1. Register Map (continued)REGISTER B7 B6 B5 B4 B3 B2 B1 B0 ADDRESS DEFAULT R/W PAGEDSP COE

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808862Table 1. Register Map (continued)REGISTER B7 B6 B5 B4 B3 B2 B1 B0 ADDRESS DEFAULT R/W PAGEEQ Band

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808863Power ManagementThe IC includes comprehensive power management to allow the disabling of all unu

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808864Table 2. Power Management Registers (continued)REGISTER BIT NAME DESCRIPTION0x4D7 HPLENLeft Headp

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808865Microphone InputsThe device includes three differential microphone inputs and a low-noise micro

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808866Table 3. Microphone Input RegistersREGISTER BIT NAME DESCRIPTION0x35/0x366PA1EN/PA2ENMIC1/MIC2 Pr

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808867Line InputsThe device includes two sets of line inputs (Figure 7). Each set can be c

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808868ADC Input MixersThe IC’s stereo ADC accepts input from the microphone amplifiers, line inputs

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808869Table 5. ADC Input Mixer RegisterFigure 10. Record Path Signal Processing Block DiagramFigure 11.

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980887ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808870Table 6. Record Path Signal Processing RegistersREGISTER BIT NAME DESCRIPTION0x017NGNoise Gate At

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808871Table 6. Record Path Signal Processing Registers (continued)REGISTER BIT NAME DESCRIPTION0x3F3AGC

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808872ADC Record Level ControlThe IC includes separate digital level control for the left and right ADC

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808873Table 7. ADC Record Level Control RegisterFigure 14. Sidetone Block DiagramSidetoneEnable sideto

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808874Table 8. Sidetone RegisterDigital Audio InterfacesThe IC includes two separate playback signal pa

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808875Figure 15. Digital Audio Signal RoutingTable 9. Common Digital Audio FormatsX = Don’t care.data

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808876Table 10. Digital Audio Interface RegistersREGISTER BIT NAME DESCRIPTION0x14/0x1C7 MAS1/MAS2DAI1/

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808877Table 10. Digital Audio Interface Registers (continued)REGISTER BIT NAME DESCRIPTION0x15/0x1D7OSR

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808878Table 10. Digital Audio Interface Registers (continued)REGISTER BIT NAME DESCRIPTION0x16/0x1E2HIZ

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808879Figure 16. Non-TDM Data Format ExamplesWCI_ = 0, BCI_ = 0, DLY_ = 0, TDM_ = 0, FSW_ = 0, WS_ = 0,

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980888ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808880Figure 17. TDM Mode Data Format ExamplesLRCLKBCLKSDOUTSDINL15 L14 L13 L12 L11 L10 L9 L8 L7 L6 L5

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808881Table 11. Clock Control RegistersClock ControlThe digital signal paths in the IC require

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808882Table 11. Clock Control Registers (continued)REGISTER BIT NAME DESCRIPTION0x113FREQ1Exact Integer

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808883Table 11. Clock Control Registers (continued)REGISTER BIT NAME DESCRIPTION0x4F7DAI2_DAC_LPDAI_ DA

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808884Table 12. Common NI1/NI2 ValuesNote: Values in bold are exact integers that provide maximum full-

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808885Table 13. Sample Rate ConverterFigure 19. Digital Passband Filtering Block DiagramPassband Filter

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808886Table 14. Passband Filtering RegistersREGISTER BIT NAME DESCRIPTION0x187 MODE1DAI1 Passband Filte

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808887Table 15. Voice Highpass FiltersAVFTL/DVFLT VALUE INTENDED SAMPLE RATE FILTER RESPONSE000 N/A Dis

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808888Figure 21. ALC Input vs. Output ExamplesFigure 20. Playback Path Signal Processing Block DiagramP

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808889Table 16. Automatic Level Control RegistersParametric EqualizerThe parametric EQ contains fiv

Stereo Audio Codecwith FLEXSOUND TechnologyMAX980889ELECTRICAL CHARACTERISTICS (continued)(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808890Table 17. EQ RegistersUse the attenuator at the EQ’s input to avoid clipping the signal.

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808891Figure 23. Playback Level Control Block DiagramTable 18. DAC Playback Level Control RegisterPlayb

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808892Table 19. DAC Input Mixer RegisterFigure 24. DAC Input Mixer Block DiagramDAC Input MixersThe IC’

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808893Figure 25. Receiver Amplifier Block DiagramReceiver AmplifierThe IC includes a single differ

Stereo Audio Codecswith FLEXSOUND TechnologyMAX98088/MAX9808994Table 20. Receiver Output Mixer RegisterReceiver Output MixerThe IC’s receiver amplifie

Stereo Audio Codecswith FLEXSOUND TechnologyMAX98088/MAX9808995Table 21. Receiver Output Level RegisterReceiver Output VolumeREGISTER BIT NAME DESCRIP

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808896Speaker AmplifiersThe IC integrates a stereo filterless Class D amplifier that offers much higher

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808897Table 22. Speaker Output Mixer RegisterSpeaker Output MixersThe IC's speaker amplifiers acce

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808898Speaker Amplifier Signal ProcessingThe IC includes signal processing to improve the sound quality

Stereo Audio Codecwith FLEXSOUND TechnologyMAX9808899Figure 27. Speaker Amplifier Signal Processing Block DiagramThe transfer function for the user-pr