WM8711 Wolfson Microelectronics Ltd., WM8711 Datasheet - Page 6

• Manufacturer Part Number: WM8711
• Description: Internet Audio DAC With Integrated Headphone Driver
• Manufacturer: Wolfson Microelectronics Ltd.

WM8711
POWER CONSUMPTION
Table 1 Powerdown Mode Current Consumption Examples
Notes:
1.
2.
3.
MASTER CLOCK TIMING
Figure 1 System Clock Timing Requirements
WOLFSON MICROELECTRONICS LTD
Playback
Playback Oscillator and
CLKOUT disabled
Standby
Power Down
Test Conditions
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
256fs unless otherwise stated.
PARAMETER
System Clock Timing Information
MCLK System clock pulse width high
MCLK System clock pulse width low
MCLK System clock cycle time
MCLK Duty cycle
MODE DESCRIPTION
AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, T
MCLK = 256fs (12.288MHz).
All figures are quiescent, with no signal.
The power dissipation in the headphone itself not included in the above table.
MCLK
0
0
0
1
SYMBOL
X
0
1
1
T
T
T
XTIH
XTIL
XTIY
X
0
1
1
t
XTIL
t
XTIY
0
0
1
X
TEST CONDITIONS
t
XTIH
0
0
1
1
MIN
CURRENT CONSUMPTION
A
0.05
0.01
TYP
= +25
7
6
A
= +25
40:60
o
MIN
18
18
54
C, Slave Mode fs = 48kHz, MCLK =
o
MAX
C. Slave Mode, fs = 48kHz,
TYP
UNITS
mA
mA
mA
mA
PP Rev 1.2 November 2000
60:40
MAX
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UNIT
ns
ns
ns
6