WM8581AGEFT 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8581AGEFT Datasheet PDF : 100 Pages
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Production Data
WM8581
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Digital supply range
DVDD
2.7
Analogue supply range
AVDD
2.7
PLL supply range
PVDD
3.3
Ground
AGND, VREFN, DGND.
PGND
Difference DGND to
-0.3
AGND/PGND
Note: Digital supply DVDD must never be more than 0.3V greater than AVDD.
Table 4 Recommended Operating Conditions
TYP
0
0
MAX
3.6
5.5
5.5
+0.3
UNIT
V
V
V
V
V
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
DAC Performance (Load = 10kΩ, 50pF)
0dBFs Full scale output voltage
Vrms
1.0xVREFP/5
Signal to Noise Ratio (See
Terminology note 1,2,4)
SNR
95
103
dB
A-Weighted
@ fs = 48kHz
Unweighted,
100
dB
@ fs = 48kHz
99
dB
A-Weighted
@ fs = 48kHz, AVDD =
3.3V
w
PD Rev 4.0 April 2007
9
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