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參數(shù)資料
| 型號(hào)： | STV8224B |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multistandard Video and Sound IF System with Audio and Video Switches(低音頻和視頻開關(guān)的多標(biāo)準(zhǔn)視頻和聲音IF系統(tǒng)) |
| 中文描述： | 多標(biāo)準(zhǔn)視頻和聲音中頻與音頻視頻開關(guān)系統(tǒng)（低音頻和視頻開關(guān)的多標(biāo)準(zhǔn)視頻和聲音中頻系統(tǒng)） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 133K |
| 代理商： | STV8224B |
ELECTRICALCHARACTERISTICS
(continued)
(T
amb
= 25
°
C,V
CC
= 9V,IF input= 10mV
RMS
synclevelat B/G,Peak-whitelevelat L,
VideomodulationDSB,D = 90%at B/G,D = 95% at L, f
PC
=38.9MHz,f
SC
= 33.4MHz,
VideoBW= 5MHz,Soundcarrier input: 5.5MHz,10mV
RMS
, f
M
=1kHz,AudioBW = 20kHz,
f =
±
50kHz,
Volumeattenuation= 0dB,unlessotherwisespecified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
AUDIO SWITCH
R
16
CRtk
En
Input Resistance
Crosstalk
Output Noise Level (Pin14)
55
70
70
80
70
85
k
dB
μ
V
Weighted CCIR 468-4, V
13
= 0.5V
(quasi peak level)
V
IN
= 2V
RMS
, Attenuation = 0dB
EXTHD
THD on External Signal (Pin 14)
Audio Reference Voltage (Pin 9)
0.1
4.5
0.3
%
V
VIDEO SWITCH
V
DC 12
V
S12
V
11
V
S11
DC Input Level
Top Sync. Clamp Level
DC Output Level
Top Sync. Clamp Level
Crosstalk
Gain from Ext. Input to Output
Output Swing
Input Current
Bandwidth
Gain from Int. Input to Output
No signal
1.6
1.9
1.8
2
1.5
55
6
5
1
15
0
2.2
V
V
V
V
dB
dB
V
μ
A
MHz
dB
No signal
1.7
2.3
GEX
5.5
4
6.5
I
12
V
12
= V
DC12
= 1.5V
V
IN
= 1V
PP
5
VBW
G
IN
-0.5
+0.5
MUTE (Pin13)
V
TH13
Threshold Voltage Pin 13
0.2
0.3
0.4
V
CONTROL INPUT
Negative Modulation
Threshold 3
Positive Modulation
Threshold 2
Positive Modulation
Threshold 1
Negative Modulation
Video : External- Audio : External
Level linked to V
CC
Video : External- Audio : External
Level linked to V
CC
Video : Internal- Audio : External
Level linked to V
CC
Video : Internal- Audio : Internal
7.2
6.4
4.9
4.1
2.6
1.8
V
V
V
V
V
V
V
6.8
7.2
6.4
4.9
4.1
2.6
1.8
4.5
2.2
8
STV8224B
5/12
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