参数资料
型号: MAS3549F
厂商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分类: Codec
英文描述: MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec
中文描述: 新加坡金融管理局35x9F的MPEG 2 / 3层,AAC音频解码器,G.729的附件A编解码器
文件页数: 68/92页
文件大小: 1186K
代理商: MAS3549F
MAS 35x9F
DATA SHEET
68
June 30, 2004; 6251-505-1DS
Micronas
Table 4–2:
Reference Frequency Generation and Crystal Recommendation
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
External Clock Input Recommendations
f
CLK
Clock frequency
XTI, XTO
13.00
18.432
20.00
MHz
V
CLKI
Clockamplitude of external clock
fed into XTI at V
AVDD
= 2.2 V
XTI
0.7
1.05
V
PP
Clockamplitude of external clock
fed into XTI at V
AVDD
= 2.7 V
0.55
1.5
Clockamplitude of external clock
fed into XTI at V
AVDD
= 3.3 V
0.45
1.75
Clockamplitude of external clock
fed into XTO at V
AVDD
= 2.2 V
XTO
1.25
2.2
Clockamplitude of external clock
fed into XTO at V
AVDD
= 2.7 V
0.75
2.7
Clockamplitude of external clock
fed into XTO at V
AVDD
= 3.3 V
0.55
3.3
Duty cycle
XTI, XTO
45
50
55
%
Crystal Recommendations
f
P
Load resonance frequency at
C
I
= 20 pF
XTI, XTO
18.432
MHz
f/f
S
Accuracy of frequency adjust-
ment
50
50
ppm
f/f
S
Frequency variation vs. temper-
ature
50
50
ppm
R
EQ
Equivalent series resistance
12
30
C
0
Shunt (parallel) capacitance
3
5
pF
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