WM8731 Wolfson Microelectronics Ltd., WM8731 Datasheet - Page 12

• Manufacturer Part Number: WM8731
• Description: WM8731 : Low Power Audio Codec With Integrated Headphone Driver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8731
POWER CONSUMPTION
Table 1 Powerdown Mode Current Consumption Examples
Notes:
1.
2.
3.
Record and Playback
All active
Oscillator disabled
Oscillator and
CLKOUT disabled,
No microphone
Playback Only
Playback Only
Playback Only
Oscillator and
CLKOUT disabled
Record Only
Record Only
Line Record Only
Record Only,
Oscillator disabled
Microphone Record
Only,
Microphone Record
Only, Oscillator
disabled
Side Tone
Microphone to
Headphone Out
Microphone to
Headphone Out,
Oscillator disabled
Analogue Bypass
Line In to Line Out
Line In to Line Out,
Oscillator disabled
Standby
Standby
Standby, Oscillator
and CLKOUT
disabled
Power Down
Power Down
Power Down,
Oscillator and
CLKOUT disabled
DESCRIPTION
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
XTI/MCLK = 256fs (12.288MHz).
All figures are quiescent, with no signal.
The power dissipation in the headphone itself not included in the above table.
MODE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
1
1
1
1
1
0
0
0
0
1
1
X
X
X
X
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
0
0
0
0
0
1
1
1
1
1
1
X
X
X
X
0
0
1
1
1
0
1
1
0
0
0
0
1
1
1
1
X
X
0
0
0
1
1
0
0
0
1
1
1
1
0
0
1
1
A
= +25
MIN
CURRENT CONSUMPTION
o
C. Slave Mode, fs = 48kHz,
0.005
TYP
18.5
14.5
14.0
13.5
12.5
11.5
0.05
8.5
7.5
4.5
3.5
5.5
4.5
1.5
1.0
24
23
MAX
AI Rev 2.3 August 2001
Advanced Information
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
12