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WM8581 Datasheet(PDF) 9 Page - Wolfson Microelectronics plc

Part # WM8581
Description  Multichannel CODEC with S/PDIF Transceiver
Download  94 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8581 Datasheet(HTML) 9 Page - Wolfson Microelectronics plc

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WM8581
w
PP Rev 1.0 March 2006
9
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD
2.7
3.6
V
Analogue supply range
AVDD, PVDD
2.7
5.5
V
Ground
AGND, VREFN, DGND.
PGND
0
V
Difference DGND to
AGND/PGND
-0.3
0
+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 = +25
oC, 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
1.0 x
VREFP/5
Vrms
A-weighted,
@ fs = 48kHz
103
dB
Unweighted,
@ fs = 48kHz
100
dB
A-weighted,
@ fs = 48kHz, AVDD =
3.3V
99
dB
A-weighted,
@ fs = 96kHz
101
dB
Unweighted,
@ fs = 96kHz
98
dB
A-weighted,
@ fs = 96kHz, AVDD =
3.3V
99
dB
A-weighted,
@ fs = 192kHz
101
dB
Unweighted,
@ fs = 192kHz
98
dB
Signal to Noise Ratio (Note
1,2,4)
SNR
A-weighted,
@ fs = 192kHz, AVDD
= 3.3V
99
dB
Dynamic Range (Note 2,4)
DNR
A-weighted, -60dB full
scale input
103
dB
1kHz, 0dB Full Scale @
fs = 48kHz
-90
dB
1kHz, 0dB Full Scale @
fs = 96kHz
-87
dB
Total Harmonic Distortion
THD
1kHz, 0dB Full Scale @
fs = 192kHz
-84
dB
DAC Channel separation
100
dB
Mute Attenuation
1kHz Input, 0dB gain
100
dB
Output Offset Error
2
mV


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