WM8946ECSSLASHR datasheet(15/175 Pages) WOLFSON

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Production Data

WM8946

PD, July 2012, Rev 4.3

POWER CONSUMPTION

Typical power consumption

DCVDD

DBVDD

LDOVDD

SPKVDD

Total

Condition

1.8

3.3

Current (mA)

Power (mW)

Powerdown (no data)

0.178

0.062

0.007

0.002

0.267

0.555

Powerdown (+Master BIAS)

0.178

0.062

0.021

0.002

0.282

0.603

Powerdown (+Master BIAS+VMID buffer)

0.178

0.062

0.142

0.002

0.403

1.001

Powerdown (+Master BIAS+VMID buffer+VMID)

0.178

0.063

1.092

0.002

1.353

4.137

Playback to Lineout (no data)

4.272

0.057

2.336

0.007

6.672

15.609

Playback to Lineout (with data)

4.293

0.062

2.356

0.007

6.718

15.728

Video Buffer Only

0.178

0.062

5.088

0.020

5.348

17.380

Playback to Speaker (no data)

4.272

0.057

2.877

4.707

11.647

32.904

Playback to Speaker (with data)

4.294

0.062

2.895

4.730

11.696

33.095

Playback to Speaker (with data) 32ohm

4.295

0.062

2.895

5.790

13.042

36.595

Playback to Speaker (with data) 16ohm

4.295

0.062

2.896

6.275

13.528

38.199

Mono Record (nodata)

2.992

0.088

3.728

0.007

6.815

18.001

Mono Record (with data)

2.999

0.100

3.727

0.007

6.833

18.049

Stereo Record (no data)

4.652

0.128

6.692

0.007

11.479

30.903

Stereo Record (with data)

4.654

0.128

6.692

0.007

11.481

30.907

Playback and Record (no data)

5.673

0.120

10.054

4.408

20.255

58.333

All On

5.408

0.099

62.323

4.211

72.041

229.622

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