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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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WM8904ECS/R 데이터시트(PDF) 17 Page - Wolfson Microelectronics plc |
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WM8904ECS/R 데이터시트(HTML) 17 Page - Wolfson Microelectronics plc |
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17 / 188 page  Pre-Production WM8904 w PP, Rev 3.3, September 2012 17 High Performance Stereo Playback to Line-out - DAC input to LINEOUTL+LINEOUTR pins with 10k / 50pF load Test conditions: LINEOUTL_VOL = LINEOUTR_VOL = 111001b (0dB) Low Power Playback mode disabled. (See Table 49 for details; note that Low Power Playback mode is disabled by default.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Full Scale Output Signal Level DAC 0dBFS output at 0dB volume 1.0 0 2.83 Vrms dBV Vpk-pk DC offset DC servo enabled. Calibration complete. -1.5 +1.5 mV Signal to Noise Ratio SNR A-weighted 90 96 dB Total Harmonic Distortion + Noise THD+N 10k load -85 -70 dB Channel Separation 1kHz signal, 0dBFS 100 dB 10kHz signal, 0dBFS 90 Channel Level Matching 1kHz signal, 0dBFS +/-1 dB Power Supply Rejection Ratio PSRR 217Hz, 100mVpk-pk 62 dB 1kHz, 100mV pk-pk 62 Low Power Stereo Playback to Line-out - DAC input to LINEOUTL+LINEOUTR pins with 10k / 50pF load Test conditions: LINEOUTL_VOL = LINEOUTR_VOL = 111001b (0dB), Low Power Playback Mode enabled (see Table 48 for details) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Full Scale Output Signal Level DAC 0dBFS output at 0dB volume 1.0 0 2.83 Vrms dBV Vpk-pk Signal to Noise Ratio SNR A-weighted 95 dB Total Harmonic Distortion + Noise THD+N 10k load -82 dB Output PGAs (HP, LINE) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Minimum PGA gain setting -57 dB Maximum PGA gain setting 6 dB PGA Gain Step Size 1 dB PGA gain accuracy +6dB to -40dB -1.5 +1.5 dB PGA gain accuracy -40dB to -57dB -1 +1 dB Mute attenuation HPOUTL/R 85 dB LINEOUTL/R 85 dB |
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