WM8962B datasheet(22/295 Pages) WOLFSON

22 / 295 page

WM8962

Rev 4.3

Analogue Input (IN2L, IN2R) to ADC out via Input PGA and Input Gain boost

Quiescent input, default register conditions unless otherwise stated.

MCLK = 12.288MHz, fs = 48kHz, MCLK rate = 256fs, 24-bit I2S, Slave mode,

MIXINL_ENA = 1, MIXINR_ENA = 1, IN2L_TO_MIXINL = 1, IN2R_TO_MIXINR = 1,

ADCL_ENA = 1, ADCR_ENA = 1,

VMID_SEL = 01, BIAS_ENA = 1.

See “Reference Voltages and Bias Control” for details of the bias configuration registers.

DCVDD

1.8V

DBVDD

1.8V

MICVDD

2.5V

AVDD

1.8V

PLLVDD

1.8V

CPVDD

1.8V

SPKVDD

5.0V

TOTAL

Quiescent input,

Option 1 bias settings

2.4mA

0.0mA

2.2mA

0.0mA

8.3mW

Quiescent input,

Option 2 bias settings

2.4mA

0.0mA

2.4mA

0.0mA

8.7mW

Quiescent input,

Option 3 bias settings (default)

2.4mA

0.0mA

3.0mA

0.0mA

9.8mW

Quiescent input,

Option 4 bias settings

2.6mA

0.0mA

4.5mA

0.0mA

12.9mW

-1dBFS ADC output

2.4mA

0.0mA

3.0mA

0.0mA

9.9mW

MICBIAS enabled

2.4mA

0.0mA

0.4mA

3.0mA

0.0mA

10.7mW

Quiescent input,

fs = 8kHz, MCLK = 2.048MHz

0.3mA

0.0mA

2.7mA

0.0mA

5.4mW

Quiescent input,

fs = 96kHz, MCLK = 24.576MHz

4.1mA

0.0mA

3.0mA

0.0mA

12.8mW

Quiescent input,

fs = 48kHz, MCLK = 24.576MHz,

MCLK = 512fs,

DSP Sound Enhancement enabled

14.5mA

0.2mA

0.0mA

3.0mA

0.0mA

32.0mW

Stereo DAC Playback to Headphone (HPOUTL, HPOUTR) - Low Power headphone playback mode, 16

Ω load.

Default register conditions unless otherwise stated.

Default DAC to Headphone Power Up sequence completed.

CP_DYN_PWR = 1

MCLK = 12.288MHz, fs = 48kHz, MCLK rate = 256fs, 24-bit I2S, Slave mode,

Input signal level = 0dBFS, HP1x_VOL = 111b (0dB),

Note that Low Power headphone playback mode is selected by default.

DCVDD

1.8V

DBVDD

1.8V

MICVDD

2.5V

AVDD

1.8V

PLLVDD

1.8V

CPVDD

1.8V

SPKVDD

5.0V

TOTAL

Quiescent output

2.0mA

0.0mA

1.7mA

0.0mA

0.5mA

0.0mA

7.7mW

0.1mW/channel output

HPOUTx_VOL = 5Dh (-28dB)

1.9mA

0.0mA

1.7mA

0.0mA

2.7mA

0.0mA

11.4mW

2mW/channel output

HPOUTx_VOL = 69h (-15dB)

2.0mA

0.0mA

1.7mA

0.0mA

10.1mA

0.0mA

25.0mW

16mW/channel output

HPOUTx_VOL = 73h (-6dB)

2.0mA

0.0mA

1.7mA

0.0mA

53.7mA

0.0mA

103.4mW

Quiescent output,

fs = 48kHz, MCLK = 24.576MHz,

MCLK = 512fs,

DSP Sound Enhancement enabled

CP_DYN_PWR = 0

14.3mA

0.0mA

1.8mA

0.0mA

1.8mA

0.0mA

32.2mW

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