WM8750CLSEFLSLASHR datasheet(12/65 Pages) WOLFSON

12 / 65 page

WM8750L

Production Data

PD, Rev 4.4, August 2012

POWER CONSUMPTION

The power consumption of the WM8750L depends on the following factors.



Supply voltages: Reducing the supply voltages also reduces supply currents, and therefore results in significant power

savings, especially in the digital sections of the WM8750L.



Operating mode: Significant power savings can be achieved by always disabling parts of the WM8750L that are not

used (e.g. mic pre-amps, unused outputs, DAC, ADC, etc.)

Control Register

R23

Other settings

Tot. Power

Bit

I (mA)

OFF

00 0000000000000000 11

Clocks stopped

3.3

0.000

3.3

0.011

3.3 0.000 3.3

0.000

0.0363

2.5

0.000

2.5

0.009

2.5 0.000 2.5

0.000

0.0225

1.8

0.000

1.5

0.007

1.8 0.000 1.8

0.000

0.0105

Standby

10 1000000000000000 11

Interface Stopped

3.3

0.341

3.3

0.011

3.3 0.000 3.3

0.000

1.1616

(500 KOhm VMID string)

2.5

0.282

2.5

0.009

2.5 0.000 2.5

0.000

0.7275

1.8

0.194

1.5

0.007

1.8 0.000 1.8

0.000

0.3597

Playback to Line-out

01 1000001100110000 11

3.3

4.007

3.3

5.380

3.3 0.301 3.3

0.748

34.4388

2.5

3.025

2.5

3.687

2.5 0.215 2.5

0.723

19.1250

1.8

2.449

1.5

2.029

1.8 0.147 1.8

0.427

8.4849

Playback to Line-out

01 1000001111000001 11

3.3

3.796

3.3

4.541

3.3 0.302 3.3

0.744

30.9639

(64x oversampling mode)

2.5

2.870

2.5

3.093

2.5 0.215 2.5

0.722

17.2500

1.8

2.338

1.5

1.691

1.8 0.147 1.8

0.427

7.7781

Playback to 16 Ohm Headphone 01 1000001111000000 11

3.3

3.997

3.3

5.380

3.3 0.301 3.3

0.748

34.4058

2.5

3.026

2.5

3.687

2.5 0.215 2.5

0.723

19.1275

1.8

2.451

1.5

2.029

1.8 0.147 1.8

0.427

8.4885

Playback to 16 Ohm Headphone 01 1000001111000000 11

-27.959 dBFS

3.3

3.998

3.3

6.430

3.3 0.301 3.3

2.142

42.4743

0.1mW / channel into load

-25.547 dBFS

2.5

3.029

2.5

4.462

2.5 0.215 2.5

2.132

24.5950

(JEITA CP-2905B)

-22.694 dBFS

1.8

2.454

1.5

2.475

1.8 0.147 1.8

1.977

11.9529

Playback to 16 Ohm Headphone 01 1000001111000000 11

-10.969 dBFS

3.3

3.980

3.3

6.481

3.3 0.301 3.3 12.558

76.9560

5mW / channel into load

-8.558 dBFS

2.5

3.028

2.5

4.503

2.5 0.215 2.5 12.604

50.8750

-5.704 dBFS

1.8

2.450

1.5

2.503

1.8 0.147 1.8 12.275

30.5241

Playback to 16 Ohm Headphone 01 1000001111000100 11

R24, OUT3SW=00

3.3

3.986

3.3

5.567

3.3 0.301 3.3

1.133

36.2571

(capless mode using OUT3)

2.5

3.027

2.5

3.688

2.5 0.215 2.5

1.110

20.1000

1.8

2.452

1.5

2.029

1.8 0.147 1.8

0.726

9.0285

Playback to 8 Ohm BTL Speaker 01 1000001100110000 11

R24, ROUT2INV=1

3.3

4.151

3.3

5.381

3.3 0.301 3.3

0.603

34.4388

2.5

3.151

2.5

3.688

2.5 0.215 2.5

0.575

19.0725

1.8

2.533

1.5

2.029

1.8 0.147 1.8

0.352

8.5011

Headphone Amp

01 1000000011000000 11

Clocks Stopped

3.3

1.665

3.3

0.011

3.3 0.000 3.3

0.749

8.0025

(line-in to 16 Ohm headphone)

2.5

1.256

2.5

0.009

2.5 0.000 2.5

0.725

4.9750

1.8

0.865

1.5

0.007

1.8 0.000 1.8

0.429

2.3397

Speaker Amp

01 1000000000110000 11

Clocks Stopped

3.3

1.857

3.3

0.011

3.3 0.000 3.3

0.975

9.3819

(line-in to 8 Ohm speaker)

R24, ROUT2INV=1

2.5

1.372

2.5

0.009

2.5 0.000 2.5

0.985

5.9150

1.8

0.928

1.5

0.007

1.8 0.000 1.8

0.732

2.9985

Record from Line-in

01 1111100000000000 11

3.3

9.240

3.3

6.493

3.3 0.325 3.3

0.000

52.9914

2.5

8.407

2.5

4.243

2.5 0.232 2.5

0.000

32.2050

1.8

6.744

1.5

2.141

1.8 0.159 1.8

0.000

15.6369

Record from Line-in

01 1111100000000010 11

3.3

5.223

3.3

5.822

3.3 0.326 3.3

0.000

37.5243

(64x oversampling mode)

2.5

4.512

2.5

3.740

2.5 0.232 2.5

0.000

21.2100

1.8

3.834

1.5

1.899

1.8 0.160 1.8

0.000

10.0377

Record from mono microphone

01 1101010000000000 11 R32, LMICBOOST=11; 3.3

5.207

3.3

6.337

3.3 0.325 3.3

0.000

39.1677

R23, DATSEL=01

2.5

4.630

2.5

4.139

2.5 0.231 2.5

0.000

22.5000

1.8

3.755

1.5

2.128

1.8 0.163 1.8

0.000

10.2444

Record from mono microphone

01 1101010000000000 11 R32, LMICBOOST=11; 3.3

5.561

3.3

6.349

3.3 0.325 3.3

0.000

40.3755

(differential)

R23, DATSEL=01;

2.5

4.890

2.5

4.139

2.5 0.231 2.5

0.000

23.1500

R32, LINSEL=11

1.8

3.925

1.5

2.130

1.8 0.163 1.8

0.000

10.5534

Stereo Record & Playback

01 1111111100110000 11

3.3 12.778 3.3 10.650 3.3 0.323 3.3

0.680

80.6223

2.5 11.070 2.5

7.095

2.5 0.231 2.5

0.569

47.4125

1.8

8.585

1.5

3.846

1.8 0.159 1.8

0.351

22.1400

Stereo Record & Playback

01 1111111100110011 11

3.3

8.570

3.3

9.237

3.3 0.325 3.3

0.698

62.1390

(64x oversampling mode)

2.5

7.061

2.5

6.101

2.5 0.232 2.5

0.581

34.9375

1.8

5.601

1.5

3.258

1.8 0.160 1.8

0.348

15.8832

DCVDD

DBVDD

HPVDD

R25 (19h)

R26 (1Ah)

R24

AVDD

Table 1 Supply Current Consumption

Note: All figures are at TA = +25

oC, Slave Mode, fs = 48kHz, MCLK = 12.288 MHz (256fs), with zero signal (quiescent)

unless otherwise noted.

WM8750CLSEFL/R Datasheet(PDF) 12 Page - Wolfson Microelectronics plc

WM8750CLSEFL/R Datasheet(HTML) 12 Page - Wolfson Microelectronics plc

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