WM1811A datasheet(29/328 Pages) WOLFSON

29 / 328 page

Production Data

WM1811A

PD, November 2013, Rev 4.1

TYPICAL PERFORMANCE

TYPICAL POWER CONSUMPTION

OPERATING MODE

TEST CONDITIONS

SPKVDD

(Note 3)

LDO1VDD

AVDD2

CPVDD

DBVDD

(Note 4)

TOTAL

Off (Battery Leakage only)

LDO1 disabled,

LDO2 disabled

4.2V

0.5

A

4.2V

0.63

A

0.0V

1.0

A

0.0V

0.2

A

0.0V

2.7

A

0.01mW

Standby

LDO1 disabled,

LDO2 enabled

All supplies present,

No clocks,

Default register settings

4.2V

0.5

A

4.2V

0.63

A

1.8V

58.5

A

1.8V

0.5

A

1.8V

44.7

A

0.19mW

Standby

LDO1 enabled,

LDO2 enabled

All supplies present,

No clocks,

Default register settings

4.2V

0.5

A

4.2V

74.5

A

1.8V

A

1.8V

0.5

A

1.8V

56.5

A

0.52mW

Music playback to Headphone (quiescent), Load = 32ohm

AIF1 to DAC to

HPOUT1 (stereo)

fs=44.1kHz,

Clocking rate=256fs,

24-bit I2S, Slave mode,

Class W

4.2V

0.5

A

4.2V

2.27mA

1.8V

0.347mA

1.8V

0.393mA

1.8V

1.06mA

12.78mW

AIF1 to DAC to

HPOUT1 (stereo)

LDOs disabled,

See Note 7.

fs=44.1kHz,

Clocking rate=128fs,

24-bit I2S, Slave mode,

Class W

3.6V

0.5

A

AVDD1=

2.4V

1.68mA

1.8V

0.247mA

1.8V

0.334mA

DBVDD=

1.8V

0.5

A

DCVDD=

1.05V

0.706mA

5.82mW

Music playback to Class D speaker output (quiescent), Load = 8ohm + 22

H

AIF1 to DAC to

SPKOUT (stereo)

fs=44.1kHz,

Clocking rate=256fs,

24-bit I2S, Slave mode,

+7.5dB Class D boost

4.2V

1.76mA

4.2V

2.04mA

1.8V

1.189mA

1.8V

0.5

A

1.8V

1.045mA

19.15mW

AIF1 to DAC to

SPKOUT (Left only)

fs=44.1kHz,

Clocking rate=256fs,

24-bit I2S, Slave mode,

+7.5dB Class D boost

4.2V

0.88mA

4.2V

2.04mA

1.8V

0.753mA

1.8V

0.5

A

1.8V

1.045mA

15.5mW

Notes:

1. AVDD1 = 3.0V, generated by LDO1.

2. DCVDD = 1.05V, generated by LDO2.

3. SPKVDD = SPKVDD1 = SPKVDD2.

4. DBVDD = DBVDD1 = DBVDD2 = DBVDD3.

5. ISPKVDD = ISPKVDD1 + ISPKVDD2.

6. IDBVDD = IDBVDD1 + IDBVDD2 + IDBVDD3.

7. Power consumption for music playback with LDOs disabled requires an external supply for AVDD1 and DCVDD

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