WM8978GEFL/RV 데이터 시트보기 (PDF) - Wolfson Microelectronics plc

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WM8978GEFL/RV

Stereo CODEC With Speaker Driver

Wolfson Microelectronics plc 

WM8978

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POWER CONSUMPTION

Estimated supply currents for typical scenarios are shown below.

For more information on estimated supply current of individual blocks, see "Estimated Supply

Currents" section.

Unless otherwise specified, all supply voltages are 3.3V.

MODE

Off

Sleep (VREF maintained)

Stereo Record (8kHz,

PLL enabled)

Stereo HP Playback (44.1kHz, PLL enabled)

Table 1 Power Consumption

AVDD

0

0.1

8.1

6.6

DCVDD

0

0

0.8

UNITS

mA

mA

mA

4.3

mA

Notes:

1. DBVDD Supply current is not shown, as this is determined by loading on the digital I/O pins.

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PP Rev 1.7 January 2005

10

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