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參數(shù)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(shù)： | 10/57頁 |
| 文件大?。?/td> | 456K |
| 代理商： | VS1003 |
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VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
4. CHARACTERISTICS&SPECIFICATIONS
4.3
Analog Characteristics
Unlessotherwisenoted:
AVDD
=2.5..3.6V,
CVDD
=2.4..2.7V,
IOVDD=CVDD
-0.6V..3.6V,TA=-40..+85
C,
XTALI=12..13MHz, Internal Clock Multiplier
3
.
5
. DAC tested with 1307.894 Hz full-scale output
sinewave, measurement bandwidth 20..20000 Hz, analog output load: LEFT to GBUF 30
, RIGHT to
GBUF 30
. Microphone test amplitude 50 mVpp, f
s
=1 kHz, Line input test amplitude 1.1 V, f
s
=1 kHz.
Parameter
DAC Resolution
Total Harmonic Distortion
Dynamic Range (DAC unmuted, A-weighted)
S/N Ratio (full scale signal)
Interchannel Isolation (Cross Talk)
Interchannel Isolation (Cross Talk), with GBUF
Interchannel Gain Mismatch
Frequency Response
Full Scale Output Voltage (Peak-to-peak)
Deviation from Linear Phase
Analog Output Load Resistance
Analog Output Load Capacitance
Microphone input amplifier gain
Microphone input amplitude
Microphone Total Harmonic Distortion
Microphone S/N Ratio
Line input amplitude
Line input Total Harmonic Distortion
Line input S/N Ratio
Line and Microphone input impedances
Symbol
Min
Typ
18
0.1
90
Max
Unit
bits
%
dB
dB
dB
dB
dB
dB
Vpp
pF
dB
mVpp
AC
%
dB
mVpp
AC
%
dB
k
THD
IDR
SNR
0.3
70
50
75
40
-0.5
-0.1
1.3
0.5
0.1
1.7
5
1.5
1
AOLR
16
30
2
100
MICG
26
50
0.02
62
2200
0.06
68
100
140
3
0.10
MTHD
MSNR
50
2800
3
0.10
LTHD
LSNR
60
Typical values are measured of about 5000 devices of Lot 4234011, Week Code 0452.
1
3.0 volts can be achieved with +-to-+ wiring for mono difference sound.
2
AOLR may be much lower, but below
Typical
distortion performance may be compromised.
3
Above typical amplitude the Harmonic Distortion increases.
4.4
Power Consumption
Tested with an MPEG 1.0 Layer-3 128 kbps sample and generated sine. Output at full volume. XTALI
12.288MHz. Internal clock multiplier
3
.
0
×
. CVDD = 2.5V, AVDD = 2.8V.
Parameter
Power Supply Consumption AVDD, Reset
Power Supply Consumption CVDD, Reset
Power Supply Consumption AVDD, sine test, 30
+ GBUF
Power Supply Consumption CVDD, sine test
Power Supply Consumption AVDD, no load
Power Supply Consumption AVDD, output load 30
Power Supply Consumption AVDD, 30
+ GBUF
Power Supply Consumption CVDD
Min
Typ
0.6
3.7
36.9
12.4
7.0
10.9
16.1
17.5
Max
5.0
50.0
Unit
μ
A
μ
A
mA
mA
mA
mA
mA
mA
Version 0.92,
2005-06-07
10
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