WM8940CGEFLSLASHRV datasheet(12/91 Pages) WOLFSON

部件名	WM8940CGEFL/RV

功能描述	Mono CODEC with Speaker Driver

PDF	91 Pages

Scroll/Zoom	100%

制造商	WOLFSON [Wolfson Microelectronics plc]

网页	http://www.wolfsonmicro.com

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12 / 91 page

WM8940

Production Data

PD, Rev 4.3, November 2011

POWER CONSUMPTION

Typical current consumption for various scenarios is shown below.

MODE

AVDD

(3V3)

SPKVDD

(3V3)

DCVDD

(1.8V)

DBVDD

(1.8V)

TOTAL

POWER

(MW)

Power OFF (No Clocks)

0.038

0.2

0.126

Sleep (VMID maintained, No Clocks)

0.190

0.2

0.627

Mono Record (MIC input, +20dB gain, 8kHz,

quiescent) SLAVE

4.1

0.3

14.3

Mono Record (MIC input, +20dB gain, 44.1kHz,

PLL, quiescent) MASTER

5.3

1.9

115

21.0

Mono 16Ω Headphone Playback (0.1mW, 1kHz

sine wave, ac coupled) SLAVE

2.8

1.5

1.6

3.7

17.1

Mono 8Ω BTL speaker Playback (44.1kHz,

200mW, 1kHz sine wave) SLAVE

2.8

1.6

3.8

216.8

Mono 8Ω BTL speaker Playback (44.1kHz, PLL,

quiescent) MASTER

3.9

1.5

1.8

21.1

Table 1 Power Consumption

Note:

Power consumption figures include any power dissipated in the load (e.g. in the headphone or speaker)

WM8940CGEFL/RV 数据表(PDF) 12 Page - Wolfson Microelectronics plc

WM8940CGEFL/RV 数据表(HTML) 12 Page - Wolfson Microelectronics plc

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