WM8945 Datasheet, PDF (15/169 Pages) Wolfson Microelectronics plc – Mono Low-Power CODEC with Video Buffer and Touch Panel Controller

Production Data
POWER CONSUMPTION
Typical power consumption
Condition
Powerdown (no data)
Powerdown (+Master BIAS)
Powerdown (+Master BIAS+VMID buffer)
Powerdown (+Master BIAS+VMID
buffer+VMID)
Playback to Lineout (no data)
Video Buffer Only
Touch Panel Only
Playback to Speaker (no data)
Playback to Speaker (with data)
Playback to Speaker (with data) 32ohm
Playback to Speaker (with data) 16ohm
Mono Record (nodata)
Mono Record (with data)
Playback and Record (no data)
WM8945
DCVDD
1.8
0.178
0.178
0.178
DBVDD
3.3
0.062
0.062
0.062
LDOVDD
3.3
0.007
0.021
0.142
SPKVDD
3.3
0.002
0.002
0.002
0.178
4.363
0.178
0.223
4.272
4.294
4.295
4.295
2.992
2.999
5.673
0.063
0.056
0.062
0.062
0.057
0.062
0.062
0.062
0.088
0.100
0.120
1.092
2.173
5.088
0.257
2.877
2.895
2.895
2.896
3.728
3.727
10.054
0.002
0.000
0.020
0.007
4.707
4.730
5.790
6.275
0.007
0.007
4.408
Total
Current (mA)
0.267
0.282
0.403
1.353
6.672
5.348
0.549
11.647
11.696
13.042
13.528
6.815
6.833
20.255
Total
Power (mW)
0.555
0.603
1.001
4.137
15.211
17.380
1.477
32.904
33.095
36.595
38.199
18.001
18.049
58.333
w
PD, May 2011, Rev 4.1
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