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WM8581
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Digital supply range
Analogue supply range
Ground
Difference DGND to
AGND/PGND
Note:
Digital supply DVDD must never be more than 0.3V greater than AVDD.
Table 4 Recommended Operating Conditions
SYMBOL
DVDD
AVDD, PVDD
AGND, VREFN, DGND.
PGND
-0.3
TEST CONDITIONS
MIN
2.7
2.7
0
0
+0.3
TYP
MAX
3.6
5.5
UNIT
V
V
V
V
ELECTRICAL CHARACTERISTICS
Test Conditions
AVDD, PVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, PGND, DGND = 0V, T
A
= +25
o
C, 1kHz Signal, fs = 48kHz,
24-Bit Data, Slave Mode, MCLK, ADCMCLK = 256fs, 1V
rms
Input Signal Level unless otherwise stated.
PARAMETER
0dBFs Full scale output voltage
Signal to Noise Ratio (Note
1,2,4)
SNR
A-weighted,
@ fs = 48kHz
Unweighted,
@ fs = 48kHz
A-weighted,
@ fs = 48kHz, AVDD =
3.3V
A-weighted,
@ fs = 96kHz
Unweighted,
@ fs = 96kHz
A-weighted,
@ fs = 96kHz, AVDD =
3.3V
A-weighted,
@ fs = 192kHz
Unweighted,
@ fs = 192kHz
A-weighted,
@ fs = 192kHz, AVDD
= 3.3V
Dynamic Range (Note 2,4)
Total Harmonic Distortion
DNR
THD
A-weighted, -60dB full
scale input
1kHz, 0dB Full Scale @
fs = 48kHz
1kHz, 0dB Full Scale @
fs = 96kHz
1kHz, 0dB Full Scale @
fs = 192kHz
DAC Channel separation
Mute Attenuation
Output Offset Error
1kHz Input, 0dB gain
SYMBOL
TEST CONDITIONS
MIN
TYP
1.0 x
VREFP/5
103
100
99
MAX
UNIT
V
rms
dB
dB
dB
DAC Performance (Load = 10kΩ, 50pF)
101
98
99
dB
dB
dB
101
98
99
dB
dB
dB
103
-90
-87
-84
100
100
2
dB
dB
dB
dB
dB
dB
mV
w
PP Rev 1.0 March 2006
9
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
