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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8741 датащи(PDF) 11 Page - Wolfson Microelectronics plc |
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WM8741 датащи(HTML) 11 Page - Wolfson Microelectronics plc |
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11 / 63 page  Product Preview WM8741 w PP Rev 1.3 October 2007 11 RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital supply range DVDD 3.0 3.3 3.6 V Analogue supply range AVDD 4.5 5 5.5 V Ground AGND, DGND 0 V Difference DGND to AGND -0.3 0 +0.3 V Analogue operating current IAVDD AVDD = 5V 55 mA Digital operating current IDVDD DVDD = 3.3V 40 mA Analogue standby current IAVDD (Standby) AVDD = 5V Clocks stopped 45 mA Digital standby current IDVDD (Standby) DVDD = 3.3V Clocks stopped 1.5 mA ELECTRICAL CHARACTERISTICS TEST CONDITIONS AVDD = 5V, DVDD = 3.3V, AGND, DGND = 0V, TA = +25 oC, 1kHz test signal, fs = 48kHz, MCLK = 256fs unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Digital Logic Levels Input LOW level VIL 0.3 x DVDD V Input HIGH level VIH 0.7 x DVDD V Output LOW level VOL IOL = 2mA 0.1 x DVDD V Output HIGH level VOH IOH = 2mA 0.9 x DVDD V DSD Input Characteristics Full-scale modulation depth DSD Direct or DSD Plus Mode -2.9 71.6 dB % DAC Performance A-weighted mono @ fs = 48kHz 128 dB A-weighted stereo @ fs = 48kHz 125 dB A-weighted stereo @ fs = 96kHz 123 dB A-weighted stereo @ fs = 192kHz 120 dB Signal to Noise Ratio (Note 1) SNR Non-weighted stereo @ fs = 48kHz 122 dB Dynamic Range (Note 2) DNR A=weighted, -60dB full scale input 125 dB Mono 0dB @ fs = 48kHz -100 dB Stereo 0dB @ fs = 48kHz -100 dB Stereo 0dB @ fs = 96kHz -100 dB Total Harmonic Distortion (Note 2) THD Stereo 0dB @ fs = 192kHz -100 dB Channel Separation 130 dB Channel Level Matching 0.1 dB Channel Phase Deviation 0.01 Degree 100mVpp at 1kHz -80 dB Power Supply Rejection Ratio PSRR 20Hz to 20kHz 100mVpp -67 dB |
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