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WM8956 Datasheet(PDF) 11 Page - Wolfson Microelectronics plc

Part # WM8956
Description  Hi-Fi DAC with 1W Stereo Class D Speaker Drivers and Headphone Drivers
PDF  80 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8956 Datasheet(HTML) 11 Page - Wolfson Microelectronics plc

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Preliminary Technical Data
WM8956
w
PTD, July 2007, Rev 2.1
11
TYPICAL POWER CONSUMPTION
Mode
AVDD
SPKVDD
DBVDD
DCVDD
IAVDD
ISPKVDD
IDBVDD
IDCVDD
Total
(V)
(V)
(V)
(V)
(mA)
(mA)
(mA)
(mA)
(mW)
2.7
2.7
1.71
1.71
0.0314
0
0
0
0.085
3
3
1.8
1.8
0.0326
0
0
0
0.098
3.3
3.3
3.3
1.8
0.033
0
0
0
0.109
3.6
5.5
3.6
3.6
0.0345
0
0
0
0.124
2.7
2.7
1.71
1.71
0.0086
0
0
0
0.023
3
3
1.8
1.8
0.0092
0
0
0
0.028
3.3
3.3
3.3
1.8
0.0096
0
0
0
0.032
3.6
5.5
3.6
3.6
0.0102
0
0
0
0.037
2.7
2.7
1.71
1.71
0.0537
0
0
0
0.145
3
3
1.8
1.8
0.0621
0
0
0
0.186
3.3
3.3
3.3
1.8
0.0674
0
0
0
0.222
3.6
5.5
3.6
3.6
0.0728
0
0
0
0.262
2.7
2.7
1.71
1.71
3.869
0
0.0029
3.38
16.231
3
3
1.8
1.8
4.35
0
0.0031
3.6
19.536
3.3
3.3
3.3
1.8
4.8
0
0.0098
3.78
22.676
3.6
5.5
3.6
3.6
5.33
0
0.0145
9.4
53.080
2.7
2.7
1.71
1.71
19.6
0
0.003
3.6
59.081
3
3
1.8
1.8
22.1
0
0.004
3.9
73.327
3.3
3.3
3.3
1.8
23.8
0
0.012
3.9
85.600
3.6
5.5
3.6
3.6
26
0
0.02
9.9
129.312
2.7
2.7
1.71
1.71
7.8
0
0.003
3.5
27.050
3
3
1.8
1.8
8.9
0
0.004
3.8
33.547
3.3
3.3
3.3
1.8
9.6
0
0.012
3.8
38.560
3.6
5.5
3.6
3.6
10.5
0
0.014
9.5
72.050
2.7
2.7
1.71
1.71
4.77
0
0.23
3.7
19.599
3
3
1.8
1.8
5.4
0
0.25
3.9
23.670
3.3
3.3
3.3
1.8
6.04
0
0.46
3.9
28.470
3.6
5.5
3.6
3.6
6.6
0
0.49
10.1
61.884
2.7
2.7
1.71
1.71
5.1
1.4
0.0032
3.57
23.660
3.3
3.3
3.3
1.8
6.3
1.79
0.01
3.84
33.642
3.3
5
3.3
1.8
6.3
2.9
0.01
3.8
42.163
3.3
5.5
3.3
1.8
6.9
3.2
0.0132
9.8
58.054
2.7
2.7
1.71
1.71
5.1
240
0.0032
3.57
667.880
3.3
3.3
3.3
1.8
6.3
304
0.01
3.84
1030.935
3.3
5
3.3
1.8
6.3
450
0.01
3.8
2277.663
3.3
5.5
3.3
1.8
6.9
486
0.0132
9.8
2713.454
2.7
2.7
1.71
1.71
5.1
48
0.0032
3.57
149.480
3.3
3.3
3.3
1.8
6.3
56
0.01
3.84
212.535
3.3
5
3.3
1.8
6.3
82
0.01
3.8
437.663
3.3
5.5
3.3
1.8
6.9
90
0.0132
9.8
535.454
2.7
2.7
1.71
1.71
3
125
0.0034
3.63
351.813
3.3
3.3
3.3
1.8
3.77
154
0.0126
3.89
527.685
3.3
5
3.3
1.8
3.79
229
0.0126
3.7
1164.209
3.6
5.5
3.6
3.6
4.2
250
0.0163
9.7
1425.099
DAC Playback to 16Ohm headphones @44.1kHz,
(white noise 1Vrms)
DAC Playback to 16Ohm headphones @44.1kHz,
(1kHz tone 100mVrms)
DAC Playback to 16Ohm headphones @44.1kHz,
PLL enabled, MCLK=12MHz, no signal, master
mode
DAC Playback to mono speaker @44.1kHz (1kHz
tone, full scale)
DAC Playback to 8Ohm speakers @44.1kHz (no
signal)
DAC Playback to 8Ohm speakers @44.1kHz (1kHz
tone, full scale)
DAC Playback to 8Ohm speakers @44.1kHz (white
noise, 1Vrms)
Off (Default state at power-up, no clocks)
Off (Thermal sensor disabled, no clocks)
Sleep (Thermal sensor enabled, VMID enabled
using 250k VMID resistors)
DAC Playback to 16Ohm headphones @44.1kHz,
(no signal)
Note:
1. Power in the load is included.



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