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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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WM8940CGEFL/V 데이터시트(PDF) 12 Page - Wolfson Microelectronics plc |
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WM8940CGEFL/V 데이터시트(HTML) 12 Page - Wolfson Microelectronics plc |
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12 / 91 page  WM8940 Production Data w PD, Rev 4.3, November 2011 12 POWER CONSUMPTION Typical current consumption for various scenarios is shown below. MODE AVDD (3V3) MA SPKVDD (3V3) MA DCVDD (1.8V) MA DBVDD (1.8V) UA TOTAL POWER (MW) Power OFF (No Clocks) 0.038 0 0 0.2 0.126 Sleep (VMID maintained, No Clocks) 0.190 0 0 0.2 0.627 Mono Record (MIC input, +20dB gain, 8kHz, quiescent) SLAVE 4.1 0 0.3 11 14.3 Mono Record (MIC input, +20dB gain, 44.1kHz, PLL, quiescent) MASTER 5.3 0 1.9 115 21.0 Mono 16Ω Headphone Playback (0.1mW, 1kHz sine wave, ac coupled) SLAVE 2.8 1.5 1.6 3.7 17.1 Mono 8Ω BTL speaker Playback (44.1kHz, 200mW, 1kHz sine wave) SLAVE 2.8 62 1.6 3.8 216.8 Mono 8Ω BTL speaker Playback (44.1kHz, PLL, quiescent) MASTER 3.9 1.5 1.8 81 21.1 Table 1 Power Consumption Note: Power consumption figures include any power dissipated in the load (e.g. in the headphone or speaker) |
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