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WM8510 Datasheet(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8510 Datasheet(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 81 page  Pre-Production WM8510 w PD Rev 4.1 December 2006 7 Test Conditions DCVDD = 1.8V, AVDD = DBVDD = 3.3V, SPKVDD = 3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT MIC2 Analogue Input Full-scale Input Signal Level (0dB) – note this scales with AVDD VINFS 1.0 0 Vrms dBV Input Resistance RMIC2IN MIC2MODE=0 20 k Ω Input Capacitance CMIC2IN 10 pF Digital to Analogue Converter (DAC) to MONO output (all data measured with 10k Ω / 50pF load) Signal to Noise Ratio (Note 5) SNR A-weighted 90 93 dB Total Harmonic Distortion (Note 6) THD RL = 10 k Ω full-scale signal -84 -70 dB MONOBOOST=0 AVDD/3.3 0dB Full Scale output voltage (Note 7) MONOBOOST=1 1.5x (AVDD/3.3) VRMS Speaker Output PGA Programmable Gain -57 6 dB Programmable Gain Step Size Guaranteed monotonic 1 dB BTL Speaker Output (SPKOUTP, SPKOUTN with 8 Ω Ω Ω Ω bridge tied load) Output Power PO Output power is very closely correlated with THD; see below PO =180mW, RL = 8 Ω, SPKVDD=3.3V 0.03 -70 % dB PO =400mW, RL = 8 Ω, SPKVDD=3.3V 5.0 -26 % dB PO =360mW, RL = 8 Ω, SPKVDD=5V 0.02 -75 % dB Total Harmonic Distortion THD PO =800mW, RL = 8 Ω, SPKVDD=5V 0.06 -65 % dB SPKVDD=3.3V, RL = 8 Ω 90 dB Signal to Noise Ratio SNR SPKVDD=5V, RL = 8 Ω 90 dB Power Supply Rejection Ratio 50 dB ‘Headphone’ output (SPKOUTP, SPKOUTN with resistive load to ground) Signal to Noise Ratio SNR 93 dB THD Po=20mW, RL = 16 Ω, SPKVDD=3.3V 0.02 -74 % dB Total Harmonic Distortion Po=20mW, RL = 32 Ω, SPKVDD=3.3V 0.017 - 75 % dB Microphone Bias Bias Voltage (MBVSEL=0) VMICBIAS 0.9*AVDD V Bias Voltage (MBVSEL=1) VMICBIAS 0.65*AVDD V Bias Current Source IMICBIAS 3 mA Output Noise Voltage Vn 1kHz to 20kHz 15 nV/ √Hz Digital Input / Output Input HIGH Level VIH 0.7 ×DVDD V Input LOW Level VIL 0.3 ×DVDD V Output HIGH Level VOH IOL=1mA 0.9 ×DVDD V Output LOW Level VOL IOH-1mA 0.1xDVDD V |
Similar Part No. - WM8510_06 |
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Similar Description - WM8510_06 |
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