W83971D Datasheet, PDF (36/58 Pages) Winbond – AC97 AUDIO CODEC

Preliminary W83971D
9.3 Power Consumption:
TA = 25°C, AVDD = DVDD = 5.0V +/- 5%; AVss = DVss = 0V; 50 pF load
PARAMETERS
SYMBOL
MIN.
Digital Supply Current:
Power Up
lvdd
Power Down
lvdd
Analog Supply Current:
Power Up
lavd
Power Down
lavd
TYP.
70
0.1
28
0.1
MAX. UNITS
mA
mA
mA
mA
10. POWER MANAGEMENT
Power Management is capable of shutting down portions of the Codec with Control Bits
PR<5:0>
PR0
PR1
PR2
PR3
PR4
PR5
POWER DOWN MODE BITS
PCM_IN ADC & Input MUX Powerdown
PCM_OUT DAC Powerdown
Analog Mixer Powerdown (Vref on)
Analog Mixer Powerdown (Vref off)
Digital Interface (AC-Link) Powerdown (BIT_CLK off)
Internal Clock Disable
Note: Registers maintain values in sleep mode (PR4 write) and wake up with a warm reset (register values) or a cold reset
(default values). Power Down and Status Register (Index 26) read action verifies stability before powerdown write action
occurs.
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