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WM8510GEDS/V 데이터시트(PDF) 8 Page - Wolfson Microelectronics plc |
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WM8510GEDS/V 데이터시트(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 81 page ![]() WM8510 Production Data w PD Rev 4.1 December 2006 8 TERMINOLOGY 1. MICN input only in single ended microphone configuration. Maximum input signal to MICP without distortion is -3dBV. 2. Hold Time is the length of time between a signal detected being too quiet and beginning to ramp up the gain. It does not apply to ramping down the gain when the signal is too loud, which happens without a delay. 3. Ramp-up and Ramp-Down times are defined as the time it takes the PGA to change its gain by 6dB. 4. All hold, ramp-up and ramp-down times scale proportionally with MCLK 5. Signal-to-noise ratio (dB) – SNR is a measure of the difference in level between the full scale output and the output with no signal applied. (No Auto-zero or Automute function is employed in achieving these results). 6. THD (dB) – THD is a ratio, of the rms values, of Noise Signal. 7. The maximum output voltage can be limited by the speaker power supply. If MONOBOOST=1 then SPKVDD should be 1.5xAVDD or higher to prevent clipping taking place in the output stage. |
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