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參數(shù)資料
| 型號： | XWM9708CDS |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | AC97 Revision 2.1 Audio Codec |
| 中文描述： | AC97音頻編解碼器2.1版 |
| 文件頁數(shù)： | 6/28頁 |
| 文件大?。?/td> | 205K |
| 代理商： | XWM9708CDS |
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WM9708
Advanced Information
WOLFSON MICROELECTRONICS LTD
AI Rev 2.0 April 2001
6
Test Characteristics
:
AVDD = 5V, GND = 0V
…………
..T
A
= 0
o
C to +70
o
C, unless otherwise stated
DVDD = 3.3V, GND = 0V
…………
..T
A
= 0
o
C to +70
o
C, unless otherwise stated
PARAMETER
Mixer Circuit Specifications (AVDD = 3.3V) 48kHz sampling
SNR CD path A-weighted
(Note 1)
SNR Other paths A-weighted
(Note 1)
Maximum input voltage
Maximum output voltage on
LINEOUT
THD (Note 2)
Frequency response (+/-1dB)
Input impedance (CD inputs)
Input impedance (other Mixer
inputs)
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
95
dB
90
dB
0.6
1.2
Vrms
Vrms
-3.6dBv input
85
dBv
Hz
kohm
kohm
kohm
kohm
kohm
dB
20
20,000
At any gain
At max gain
At 0db gain
At max gain
At 0db gain
20 to 20kHz
15
20
100
30
110
50
Input impedance MIC inputs
PSRR
Clock Frequency Range
Crystal clock
BITCLK frequency
SYNC frequency
24.576
12.288
48.0
MHz
MHz
kHz
Notes:
1.
SNR is the ratio of 0dB signal output to the output level with no signal, measured A-weighted over a 20Hz to 20kHz
bandwidth.
2.
Inputs are scaled for AVDD eg; 0dBv at 5.0V is equivalent to
–
3.6dBv at 3.3V.
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