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WM8731SEDS/R 数据表(PDF) 14 Page - Wolfson Microelectronics plc

部件名 WM8731SEDS/R
功能描述  Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
PDF  63 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8731SEDS/R 数据表(HTML) 14 Page - Wolfson Microelectronics plc

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WM8731 / WM8731L
Production Data
w
PD Rev 4.3 August 2006
14
POWER CONSUMPTION – WM8731L
CURRENT CONSUMPTION
TYPICAL
MODE
DESCRIPTION
AVDD
(1.8V)
HP
VDD
(1.8V)
DC
VDD
(1.5V)
DB
VDD
(1.8V)
UNIT
Record and Playback
All active, oscillator
enabled
0
0
0
0
0
0
0
0
6
0.6
2.7
0.9
mA
Playback Only
Oscillator enabled
0
0
0
0
0
1
1
1
1.7
0.6
1.8
0.9
mA
Record Only
Line Record,
oscillator enabled
0
0
0
1
1
0
1
0
3.9
-
2.4
0.9
mA
Mic Record,
oscillator enabled
0
0
0
1
1
0
0
1
3.6
-
2.4
0.9
mA
Side Tone (Microphone Input to Headphone Output)
Clock stopped
0
0
1
0
1
1
0
1
0.8
0.6
-
-
mA
Analogue Bypass (Line-in to Line-out)
Clock stopped
0
0
1
0
1
1
1
0
1.1
0.6
-
-
mA
Standby
Clock stopped
0
1
1
1
1
1
1
1
8
-
-
-
µA
Power Down
Clock stopped
1
1
1
1
1
1
1
1
0.2
0.2
0.3
0.2
µA
Table 2 Powerdown Mode Current Consumption Examples
Notes:
1.
AVDD, HPVDD, DBVDD = 1.8V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25
oC. Slave Mode, fs = 48kHz,
XTI/MCLK = 256fs (12.288MHz).
2.
All figures are quiescent, with no signal.
3.
All figures are measured with the audio interface in master mode (MS = 1).
4.
The power dissipation in the headphone itself is not included in the above table.



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