Production Data
WM8581
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
DVDD
TEST CONDITIONS
MIN
2.7
2.7
3.3
TYP
MAX
3.6
UNIT
Digital supply range
Analogue supply range
PLL supply range
Ground
V
V
V
V
AVDD
5.5
PVDD
5.5
AGND, VREFN, DGND.
PGND
0
0
Difference DGND to
AGND/PGND
-0.3
+0.3
V
Note: Digital supply DVDD must never be more than 0.3V greater than AVDD.
Table 4 Recommended Operating Conditions
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, PVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, PGND, DGND = 0V, TA = +25oC, 1kHz Signal, fs = 48kHz,
24-Bit Data, Slave Mode, MCLK, ADCMCLK = 256fs, 1Vrms Input Signal Level unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vrms
dB
DAC Performance (Load = 10kΩ, 50pF)
0dBFs Full scale output voltage
1.0xVREFP/5
103
Signal to Noise Ratio (See
Terminology note 1,2,4)
SNR
95
A-Weighted
@ fs = 48kHz
Unweighted,
@ fs = 48kHz
100
99
dB
dB
A-Weighted
@ fs = 48kHz, AVDD =
3.3V
PD Rev 4.0 April 2007
9
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
