Pre-Production
WM8985
POWER CONSUMPTION
Typical power consumption for various scenarios is shown below.
All measurements are made with quiescent signal.
Description
1.8 0.0002 1.8
1.8 0.0002 3.3
1.8 0.0002 3.3
3.3 0.006 3.3
3.6 0.008 3.6
0
0
0
0
0
2.5
3
0.01 2.5
0.011
0
0
0
0
0
0.03
0.03
0.04
0.06
0.07
Off (Default Settings)
3
3.3 0.012 3.3
3.3 0.011 3.3
3.6 0.012 3.6
Standby mode (Lowest Power)
1.8 0.002 1.8
1.8 0.002 3.3
1.8 0.002 3.3
3.3 0.006 3.3
3.6 0.008 3.6
0
0
0
0
0
2.5 0.117 2.5
0
0
0
0
0
0.30
0.42
0.50
0.51
0.59
3
0.138
3
3.3 0.149 3.3
3.3 0.149 3.3
3.6 0.157 3.6
DAC Playback 32Ω load
L/ROUT2 - Class AB Mode
fs=44.1kHz
1.8 3.336 1.8 0.003 2.5 2.238 2.5
1.8 3.336 3.3 0.0021 2.728
3.3 7.182 3.3 0.0021 3.3 3.025 3.3
3.6 8.098 3.6 0.025 3.6 3.325 3.6
0.28 12.31
0.35 15.24
0.39 34.98
0.44 42.80
3
3
ADC Stereo Line Record
fs=44.1kHz
1.8
1.8
3.57 1.8 0.013 2.5
3.57 3.3 0.013 2.7 4.967
4.76 2.5
0
0
0
0
18.35
19.88
40.99
49.21
3
3.3 7.603 3.3 0.026
3.6 8.529 3.6 0.027 3.3 5.578 3.6
3
5.272 3.3
Table 1 Power Consumption
Contact Wolfson for more information on device power consumption.
PP, Rev 3.4, October 2006
15
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
