參數資料
型號: VS1003
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: MP3 / WMA AUDIO CODEC
中文描述: MP3播放/ WMA音頻編解碼器
文件頁數: 9/57頁
文件大?。?/td> 456K
代理商: VS1003
VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
4. CHARACTERISTICS&SPECIFICATIONS
4
Characteristics & Specifications
4.1
Absolute Maximum Ratings
Parameter
Analog Positive Supply
Digital Positive Supply
I/O Positive Supply
Current at Any Digital Output
Voltage at Any Digital Input
Operating Temperature
Storage Temperature
Symbol
AVDD
CVDD
IOVDD
Min
-0.3
-0.3
-0.3
Max
3.6
2.7
3.6
50
Unit
V
V
V
mA
V
C
C
-0.3
-40
-65
IOVDD+0.3
1
+85
+150
1
Must not exceed 3.6 V
4.2
Recommended Operating Conditions
Parameter
Ambient Operating Temperature
Analog and Digital Ground
1
Positive Analog
Positive Digital
I/O Voltage
Input Clock Frequency
2
Internal Clock Frequency
Internal Clock Multiplier
3
Master Clock Duty Cycle
Symbol
Min
-25
Typ
Max
+70
Unit
C
V
V
V
V
MHz
MHz
AGND DGND
AVDD
CVDD
IOVDD
XTALI
CLKI
0.0
2.8
2.5
2.8
2.6
2.4
3.6
2.7
3.6
13
50.0
4
4
.
0
×
4
60
CVDD-0.6V
12
12
1
.
0
×
40
12.288
36.864
3
.
0
×
50
%
1
Must be connected together as close the device as possible for latch-up immunity.
2
The maximum sample rate that can be played with correct speed is XTALI/256.
Thus, XTALI must be at least 12.288 MHz to be able to play 48 kHz at correct speed.
3
Reset value is
1
.
0
×
. Set to
3
.
0
×
after reset and allow
1
.
0
×
increase during WMA playback.
4
50.0MHz (
4
.
0
×
12
.
288
MHz or
3
.
5
×
13
.
0
MHz) is the maximum clock for the full CVDD range.
Version 0.92,
2005-06-07
9
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