參數(shù)資料
型號(hào): TDA4884
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: Advanced monitor video controller for OSD
中文描述: 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP20
封裝: 0.300 INCH, PLASTIC, SOT-146-1, DIP-20
文件頁(yè)數(shù): 14/28頁(yè)
文件大?。?/td> 189K
代理商: TDA4884
1997 Nov 26
14
Philips Semiconductors
Product specification
Three gain control video pre-amplifier for OSD
TDA4884
Fig.5 Typical contrast characteristic.
handbook, halfpage
signal
amplitude
(mV)
0
2
44.3
8
0
0.7
6
MHA819
4
0
1
3
10
1
2
20
40
1000
800
600
400
200
200
Vi(CC) (V)
(dB)
5
3
Fig.6 Typical gain characteristic.
handbook, halfpage
0
800
400
0
2
4
3.75
8
6
MHA821
Vi(GC) (V)
signal
amplitude
(mV)
8
6
5
4
3
2
1
0
1
2
3
(dB)
Fig.7 Typical OSD fast blanking input/output waveforms.
handbook, full pagewidth
MHA820
90%
50%
10%
Vbl = 0.7
Vbl
+
Vo(b-w) = 1.5
Vo(b-w)
output signal
at pins 19, 16 and 13
(V)
tf(CC)
tdf(C)
tdr(C)
tf(C)
tr(C)
t
t
tr(CC)
90%
50%
10%
0.7
4.3
OSD pulse
at pin 6
(V)
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