WAU8812YG Nuvoton Technology Corporation of America, WAU8812YG Datasheet
WAU8812YG
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WAU8812YG Summary of contents
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GENERAL DESCRIPTION The WAU8812 is a cost effective and low power wideband MONO audio CODEC designed for voice telephony related applications. Functions include Automatic Level Control (ALC) with noise gate, PGA, standard audio interface ...
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PIN CONFIGURATION VREF MIC - MIC + MICBIAS NC VDDA VSSA VSSA VDDC VDDB VSSD ADCOUT DACIN FS emPowerAudio ™ Preliminary Datasheet Revision 0. WAU8812 MONO AUDIO ...
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PIN DESCRIPTION Pin Name 28-Pin 32-Pin VREF 1 29 MIC MIC MICBIAS VDDA 6 2 VSSA 7 3 VSSA VDDL VDDC 9 6 VDDB 10 7 ...
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BLOCK DIAGRAM emPowerAudio ™ Preliminary Datasheet Revision 0.85 Figure 3: WAU8812 General Block Diagram Page October 2008 ...
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REGISTER DESCRIPTION Register Address DEC HEX 0x0 1 0x01 DCBUFEN 0 AUXEN 2 0x02 0x03 0 MOUTEN NSPKEN 4 0x04 BCLKP FSP 5 0x05 0x06 CLKM MCLKSEL[2:0] 7 0x07 SPIEN ...
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ABSOLUTE MAXIMUM RATINGS CONDITION VDDB, VDDC, VDDA supply voltages VDDSPK supply voltage (MOUT3V=0, SPK3V=0) VDDSPK supply voltage (MOUT3V=1, SPK3V=1) Core Digital Input Voltage range Buffer Digital Input Voltage range Analog Input Voltage range Industrial operating temperature Storage temperature range ...
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ELECTRICAL CHARACTERISTICS VDDC = 1.8V, VDDA = VDDB = SPK3V = 3.3V, T otherwise stated. PARAMETER Analogue to Digital Converter (ADC) 1 Full scale input signal 2 Signal to Noise Ratio 3 Total Harmonic Distortion Digital to Analogue Converter ...
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VDDC = 1.8V, VDDA = VDDB = SPK3V = 3.3V, T otherwise stated. PARAMETER SYMBOL Speaker Output PGA Programmable Gain Programmable Gain Step Size BTL Speaker Output (SPKOUT+, SPKOUT- with 8Ω bridge tied load) 7 Full scale output Output Power ...
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VDDC = 1.8V, VDDA = VDDB = SPK3V = 3.3V, T otherwise stated. PARAMETER SYMBOL Automatic Level Control (ALC)/Limiter – ADC only Target Record Level Programmable Gain Programmable Gain Step Size 4, 6 Gain Hold Time tHOLD Gain Ramp-Up (Decay) ...
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DIGITAL FILTER CHARACTERISTICS PARAMETER ADC Filter Passband Passband Ripple Stopband Stopband Attenuation Group Delay ADC High Pass Filter High Pass Filter Corner Frequency DAC Filter Passband Passband Ripple Stopband Stopband Attenuation Group Delay TERMINOLOGY 1. Stop Band Attenuation (dB) ...
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Figure 4: DAC Filter Frequency Response Figure 6: DAC Filter Ripple emPowerAudio ™ Preliminary Datasheet Revision 0.85 Figure 5: ADC Filter Frequency Response Figure 7: ADC Filter Ripple Page October 2008 ...
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TYPICAL APPLICATION emPowerAudio ™ Preliminary Datasheet Revision 0.85 Figure 8: Application Diagram 28-Pin SSOP Figure 9: Application Diagram For 32-Pin QFN Page October 2008 ...
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PACKAGE SPECIFICATION 12.1. 28 Pin SSOP SEATING PLANE DIMENSION IN MM SYMBOL MIN. A 0. 0.22 0.09 c 10. 0.55 ...
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QFN emPowerAudio ™ Preliminary Datasheet Revision 0.85 Page October 2008 ...
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ORDERING INFORMATION Nuvoton Part Number Description WAU8812_ _ emPowerAudio ™ Preliminary Datasheet Revision 0.85 Package Material Pb-free Package Package Type 28-Pin SSOP Package Y = 32-Pin QFN Package Page October 2008 ...