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WM8940CGEFL/V Datasheet(PDF) 13 Page - Cirrus Logic

Part # WM8940CGEFL/V
Description  Mono CODEC with Speaker Driver
PDF  88 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8940CGEFL/V Datasheet(HTML) 13 Page - Cirrus Logic

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WM8940
Rev 4.4
13
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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