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參數(shù)資料
| 型號(hào)： | TDA8854H |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | I2C-bus controlled PAL/NTSC/SECAM TV processors |
| 中文描述： | I2C總線控制的PAL / NTSC制式/ SECAM電視處理器 |
| 文件頁數(shù)： | 42/68頁 |
| 文件大?。?/td> | 316K |
| 代理商： | TDA8854H |
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December 16, 1997
42
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
RGB AMPLIFIERS
(
CONTINUED
)
C.4.15
relative variation in black level
between the three channels
during variations of
supply voltage (
±
10%)
saturation (50 dB)
contrast (20 dB)
brightness (
±
0.5 V)
temperature (range 40
°
C)
signal-to-noise ratio of the
output signals
note 5
C.4.16
C.4.17
C.4.18
C.4.19
C.4.20
C.4.21
C.4.22
C.4.23
C.4.24
nominal controls
nominal contrast
nominal saturation
nominal controls
60
50
tbf
tbf
tbf
tbf
tbf
15
15
mV
mV
mV
mV
mV
dB
dB
mV
mV
RGB input; note 50
CVBS input; note 50
at f
osc
at 2f
osc
plus higher
harmonics
RGB input; at
3 dB
CVBS input; at
3 dB;
f
osc
= 3.58 MHz
CVBS input; at
3 dB;
f
osc
= 4.43 MHz
S-VHS input; at
3 dB
residual voltage at the RGB
outputs (peak-to-peak value)
C.4.25
C.4.26
bandwidth of output signals
9
2.8
MHz
MHz
C.4.27
3.5
MHz
C.4.28
6
MHz
W
HITE
-
POINT ADJUSTMENT
C.5.1
C.5.2
I
2
C-bus setting for nominal gain
adjustment range of RGB drive
levels
gain control range to
compensate spreads in picture
tube characteristics
HEX code
20H
±
3
dB
C.5.3
±
6
dB
2-
POINT
B
LACK
-
CURRENT STABILISATION
(
PIN
18);
NOTE
51
C.6.1
amplitude of “l(fā)ow” reference
current
amplitude of “high” reference
current
acceptable leakage current
maximum current during scan
input impedance
8
μ
A
C.6.2
20
μ
A
C.6.3
C.6.4
C.6.5
±
100
tbf
tbf
μ
A
mA
B
EAM CURRENT LIMITING
(
PIN
22);
NOTE
52
C.7.1
contrast reduction starting
voltage
voltage difference for full
contrast reduction
brightness reduction starting
voltage
3.0
V
C.7.2
1.8
V
C.7.3
1.9
V
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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