WM8956 데이터 시트보기 (PDF) - Cirrus Logic
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WM8956 Datasheet PDF : 80 Pages
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WM8956
TYPICAL POWER CONSUMPTION
Production Data
Off - Default state at power up
Off - Thermal sensor disabled,
no clocks
Sleep - Thermal sensors
enabled, VMID enabled using
250k VMID resistors
DCVDD
(V)
1.71
1.8
1.8
3.6
1.71
1.8
1.8
3.6
1.71
1.8
1.8
3.6
DBVDD
(V)
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
OFF, SLEEP MODE
SPKVDD AVDD DCVDD DBVDD SPKVDD AVDD Total Power
(V)
(V)
(mA)
(mA)
(mA)
(mA)
(mW)
2.7
2.7
0.00
0.00
0.00
0.03
0.08
3
3
0.00
0.00
0.00
0.03
0.10
3.3
3.3
0.00
0.00
0.00
0.03
0.11
5.5
3.6
0.00
0.00
0.00
0.03
0.13
2.7
2.7
0.00
0.00
0.00
0.01
0.02
3
3
0.00
0.00
0.00
0.01
0.03
3.3
3.3
0.00
0.00
0.00
0.01
0.03
5.5
3.6
0.00
0.00
0.00
0.01
0.04
2.7
2.7
0.00
0.00
0.00
0.03
0.09
3
3
0.00
0.00
0.00
0.04
0.11
3.3
3.3
0.00
0.00
0.00
0.04
0.12
5.5
3.6
0.00
0.00
0.00
0.04
0.13
DCVDD
(V)
Playback Mode - Playback to 1.71
8Ohm speakers, slave mode (no 1.8
signal)
1.8
3.6
Playback Mode - Playback to 1.71
8Ohm speakers, slave mode 1.8
(0dB FS 1kHz signal)
1.8
3.6
Playback Mode - Playback to 1.71
8Ohm speakers, master mode, 1.8
PLL enabled (no signal)
1.8
3.6
Playback Mode - Playback to 1.71
16Ohm HP, slave mode. No 1.8
Signal
1.8
3.6
Playback Mode - Playback to 1.71
16Ohm HP, slave mode (0dB FS 1.8
1kHz signal)
1.8
3.6
Playback Mode - Playback to 1.71
16Ohm HP, slave mode
1.8
(5mW/channel output)
1.8
3.6
Playback Mode - Playback to 1.71
16Ohm HP, slave mode.
1.8
(0.1mW/channel output)
1.8
3.6
Playback Mode - Playback to 1.71
16Ohm HP, master mode, PLL 1.8
enabled (no signal)
1.8
3.6
Playback Mode - Playback to 1.71
10kOhm HP, slave mode (0dB 1.8
FS 1kHz signal)
1.8
3.6
Bypass Mode - Stereo playback 1.71
bypassing ADC and DAC to
1.8
Class D 8Ohm speaker (no
1.8
signal)
3.6
Bypass Mode - Stereo playback 1.71
bypassing ADC and DAC to
1.8
16Ohm HP (no signal)
1.8
3.6
DBVDD
(V)
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
1.71
1.8
3.3
3.6
PLAYBACK MODE
SPKVDD AVDD DCVDD DBVDD SPKVDD AVDD Total Power
(V)
(V)
(mA)
(mA)
(mA)
(mA)
(mW)
2.7
2.7
3.15
0.00
1.45
4.89
22.5
3
3
3.34
0.00
1.63
5.53
27.5
3.3
3.3
3.33
0.01
1.81
6.18
32.4
5.5
3.6
7.53
0.00
3.23
6.85
69.5
2.7
2.7
3.27
0.00
267
4.93
738.5
3
3
3.47
0.00
293
5.58
902.4
3.3
3.3
3.47
0.01
321
6.23
1085.6
5.5
3.6
8.76
0.01
511
6.54
2868.2
2.7
2.7
2.99
0.47
1.47
5.82
25.6
3
3
3.16
0.49
1.65
6.57
31.2
3.3
3.3
3.16
0.92
1.84
7.34
39.0
5.5
3.6
7.95
1.00
3.29
8.12
79.6
2.7
2.7
3.15
0.00
0.00
3.75
15.5
3
3
3.33
0.00
0.00
4.24
18.7
3.3
3.3
3.33
0.01
0.00
4.74
21.7
5.5
3.6
8.25
0.00
0.00
5.25
48.6
2.7
2.7
3.26
0.00
0.00 38.68
110.0
3
3
3.46
0.00
0.00 43.53
136.8
3.3
3.3
3.46
0.01
0.00 48.32
165.7
5.5
3.6
8.52
0.00
0.00 53.06
221.7
2.7
2.7
3.26
0.00
0.00 17.44
52.7
3
3
3.44
0.00
0.00 17.91
59.9
3.3
3.3
3.45
0.01
0.00 18.37
66.9
5.5
3.6
8.51
0.00
0.00 18.84
98.5
2.7
2.7
3.25
0.00
0.00
5.47
20.3
3
3
3.45
0.00
0.00
5.92
24.0
3.3
3.3
3.45
0.01
0.00
6.37
27.2
5.5
3.6
8.49
0.00
0.00
6.83
55.2
2.7
2.7
2.97
0.47
0.00
4.69
18.5
3
3
3.14
0.49
0.00
5.29
22.4
3.3
3.3
3.14
0.92
0.00
5.91
28.2
5.5
3.6
7.91
1.01
0.00
6.55
55.7
2.7
2.7
3.26
0.00
0.00
3.81
15.9
3
3
3.46
0.00
0.00
4.30
19.1
3.3
3.3
3.45
0.01
0.00
4.80
22.1
5.5
3.6
8.51
0.00
0.00
5.31
49.8
2.7
2.7
0.28
0.00
1.47
3.07
12.7
3
3
0.30
0.00
1.64
3.48
15.9
3.3
3.3
0.30
0.01
1.82
3.91
19.5
5.5
3.6
0.76
0.00
3.27
4.35
36.4
2.7
2.7
0.00
0.00
0.00
1.84
5.0
3
3
0.00
0.00
0.00
2.09
6.3
3.3
3.3
0.00
0.00
0.00
2.36
7.8
5.5
3.6
0.00
0.00
0.00
2.62
9.5
Note:
1. Power in the load is included.
w
PD, November 2011, Rev 4.1
10
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