WM8580 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM8580 Datasheet PDF : 97 Pages
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Production Data
WM8580
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.
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
-6%
1.0 x
+6%
Vrms
VREFP/5
Signal to Noise Ratio (See
SNR
A-weighted,
95
103
dB
Terminology 1,2,4)
@ fs = 48kHz
Unweighted,
100
dB
@ fs = 48kHz
A-weighted,
99
dB
@ fs = 48kHz, AVDD =
3.3V
A-weighted,
101
dB
@ fs = 96kHz
Unweighted,
98
dB
@ fs = 96kHz
A-weighted,
99
dB
@ fs = 96kHz, AVDD =
3.3V
A-weighted,
101
dB
@ fs = 192kHz
Unweighted,
98
dB
@ fs = 192kHz
A-weighted,
99
dB
@ fs = 192kHz, AVDD
= 3.3V
Dynamic Range (See
DNR
A-weighted, -60dB full
95
103
dB
Terminology 2,4)
scale input
Total Harmonic Distortion
THD
1kHz, 0dB Full Scale @
fs = 48kHz
-90
-85
dB
1kHz, 0dB Full Scale @
-87
dB
fs = 96kHz
1kHz, 0dB Full Scale @
-84
dB
fs = 192kHz
DAC Channel separation
100
dB
Mute Attenuation
1kHz Input, 0dB gain
100
dB
Output Offset Error
2
mV
w
PD Rev 4.3 August 2007
9
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