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WM8941 датащи(PDF) 13 Page - Wolfson Microelectronics plc

номер детали WM8941
подробное описание детали  Mono CODEC with Speaker Driver and Video Buffer
PDF  96 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8941 датащи(HTML) 13 Page - Wolfson Microelectronics plc

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Pre Production
WM8941
w
PP, Rev 3.3, December 2007
13
Typical current consumption for various scenarios is shown below.
MODE
AVDD
(3V3)
MA
SPKVDD
(3V3)
MA
VBVDD
(3V3)
MA
DVDD
(1.8V)
MA
TOTAL
POWER
(MW)
Power OFF (No Clocks)
0.038
0
0
0
0.125
Sleep (VMID maintained, No Clocks)
0.190
0
0
0
0.627
Mono Record (MIC input, +20dB gain, 8kHz,
quiescent) SLAVE
4.1
0
0
0.3
14.2
Mono Record (MIC input, +20dB gain, 44.1kHz, PLL,
quiescent) MASTER
5.3
0
0
2.1
21.1
Mono 16Ω HP Playback (0.1mW, 1kHz sine wave, ac
coupled) SLAVE
2.8
1.5
0
1.6
17.1
Mono 8Ω BTL speaker Playback (44.1kHz, 200mW,
1kHz sine wave) SLAVE
2.8
62.0 *
0
1.6
216.8 *
Mono 8Ω BTL speaker Playback (44.1kHz, PLL,
quiescent) MASTER
3.9
1.5
0
1.9
21.2
Mono 8Ω BTL speaker Playback (44.1kHz, PLL,
quiescent) MASTER and Video Buffer (0dB gain,
unloaded, quiescent)
3.9
1.5
4.8
1.9
36.9
Mono 8Ω BTL speaker Playback (44.1kHz, 200mW,
1kHz sine wave) SLAVE and Video Buffer (1Vpp
Multiburst, AC coupled, Clamp Enabled, 0dB gain, 75Ω
load)
2.8
62.0 *
22.0
1.6
289.3 *
Mono 8Ω BTL speaker Playback (44.1kHz, 200mW,
1kHz sine wave) SLAVE and Video Buffer (0.5Vpp
Multiburst, AC coupled, Clamp enabled, +6dB gain,
75Ω load)
2.8
62.0 *
23.7
1.6
294.9 *
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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