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WM8766 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc |
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WM8766 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc |
6 / 36 page WM8766 Production Data w PD Rev 4.1 July 2005 6 RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital supply range DVDD 2.7 3.6 V Analogue supply range AVDD, VREFP 2.7 5.5 V Ground AGND, VREFN, DGND 0 V Difference DGND to AGND -0.3 0 +0.3 V Note: Digital supply DVDD must never be more than 0.3V greater than AVDD for normal operation of the device . ELECTRICAL CHARACTERISTICS Test Conditions AVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, DGND = 0V, TA = +25 oC, fs = 48kHz, MCLK = 256fs. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital Logic Levels (CMOS Levels) Input LOW level VIL 0.3 x DVDD V Input HIGH level VIH 0.7 x DVDD V Output LOW VOL IOL=1mA 0.1 x DVDD V Output HIGH VOH IOH= -1mA 0.9 x DVDD V Analogue Reference Levels Reference Voltage VVMID VREFP/2 V Potential Divider Resistance RVMID (VREFP to VMID) and (VMID to VREFN) 133 k Ω DAC Performance (Load = 10k Ω Ω Ω Ω, 50pF) 0dBFs Full Scale Output Voltage 1.0 x VREFP/5 Vrms SNR (Note 1,2,4) A-weighted, @ fs = 48kHz 95 103 dB SNR (Note 1,2,4) A-weighted @ fs = 96kHz 101 dB SNR (Note 1,2,4) A-weighted @ fs = 192kHz 101 dB SNR (Note 1,2,4) A-weighted @ fs = 48kHz, AVDD = 3.3V 101 dB SNR (Note 1,2,4) A-weighted @ fs = 96kHz, AVDD = 3.3V 99 dB Dynamic Range (Note 2,4) DNR A-weighted, -60dB full scale input 95 103 dB Total Harmonic Distortion (THD) 1kHz, 0dBFs -90 -80 dB Mute Attenuation 1kHz Input, 0dB gain 100 dB DAC Channel Separation 100 dB 1kHz 100mVpp 50 dB Power Supply Rejection Ratio PSRR 20Hz to 20kHz 100mVp-p 45 dB Supply Current Analogue Supply Current AVDD, VREFP = 5V 13.8 mA Digital Supply Current DVDD = 3.3V 11.0 mA |
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