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WM8521 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc |
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WM8521 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc |
6 / 20 page WM8521 Production Data w PD Rev 4.1 August 2006 6 DC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT WM8521HC Analogue supply range AVDD 7.6 12 13.2 V WM8521H9 Analogue supply range AVDD 7.6 9 13.2 V Digital supply range DVDD 2.7 3.3 3.6 V Ground AGND / DGND 0 V IAVDD AVDD = 12V 28.0 WM8521HC Supply current IDVDD DVDD = 3.3V 4.0 mA IAVDD AVDD = 9V 25.0 WM8521H9 Supply current IDVDD DVDD = 3.3V 4.0 mA IAVDD AVDD = 12V 22.8 WM8521HC Power down current (note 4) IDVDD DVDD = 3.3V 0.014 mA IAVDD AVDD = 9V 17.1 WM8521H9 Power down current (note 4) IDVDD DVDD = 3.3V 0.014 mA Note: 1. AVDD and DVDD are fully independent and can be applied in any order without damage to the device. ELECTRICAL CHARACTERISTICS Test Conditions WM8521HC: AVDD = 12V, DVDD = 3.3V, AGND / DGND = 0V, TA = +25 oC, fs = 48kHz, MCLK = 256fs unless otherwise stated. WM8521H9: AVDD = 9V, DVDD = 3.3V, AGND / DGND = 0V, TA = +25 oC, fs = 48kHz, MCLK = 256fs unless otherwise stated. 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 (CAP) AVDD/2 V Potential divider resistance RCAP VDD to CAP and CAP to GND 50 k Ω WM8521HC DAC Output (Load = 10k Ω Ω Ω Ω. 50pF) 0dBFs Full scale output voltage At DAC outputs 1.9 2.0 2.1 Vrms SNR (Terminology Note 1,2,3) A-weighted, @ fs = 48kHz 91 98 dB SNR (Terminology Note 1,2,3) A-weighted @ fs = 96kHz 98 dB SNR (Terminology Note 1,2,3) Non ‘A’ weighted @ fs = 48kHz 95 dB THD (Note 3) 1kHz, 0dBFs -81 dB Dynamic Range (Note 2) 1kHz, THD+N @ -60dBFs 91 98 dB DAC Channel Separation 1kHz, 0dBFs 93 dB Power Supply Rejection Ratio PSRR 1kHz 100mVpp 46 dB |
Similar Part No. - WM8521_06 |
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Similar Description - WM8521_06 |
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