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WM8940CGEFL/V データシート(PDF) 12 Page - Wolfson Microelectronics plc

部品番号 WM8940CGEFL/V
部品情報  Mono CODEC with Speaker Driver
PDF  91 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8940CGEFL/V データシート(HTML) 12 Page - Wolfson Microelectronics plc

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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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