參數(shù)資料
型號(hào)： 8841-N2
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(yè)數(shù)： 33/68頁(yè)
文件大?。?/td> 316K
代理商： 8841-N2
December 16, 1997
33
Philips Semiconductors
Tentative Device Specification
I
2
C-bus controlled PAL/NTSC/SECAM TV
processors
TDA884X/5X-N2 series
F
AST BLANKING INPUT
(
CONTINUED
)
S.3.8
suppression of external RGB
signals
input voltage to blank the RGB
outputs to facilitate ‘On Screen
Display’ signals being applied to
the outputs
notes 5 and 23; no insertion;
f
i
= 0 to 5 MHz
only on pin 26 (pin 38 for the
TDA 885X)
55
dB
S.3.9
4
V
C
OLOUR DIFFERENCE OUTPUT AND INPUT SIGNALS
(
PINS
29, 30, 31
AND
32);
NOTE
26
signal amplitude (R
Y)
(peak-to-peak value)
S.4.2
signal amplitude (B
Y)
(peak-to-peak value)
S.4.1
note 2
1.05
V
note 2
1.33
V
L
UMINANCE INPUTS AND OUTPUTS
(
PINS
27
AND
28);
NOTE
26
S.5.1
output signal amplitude
(peak-to-peak value)
top sync level
output impedance
top sync-white
1.4
V
S.5.2
S.5.3
2.0
250
V
Chrominance filters
C
HROMINANCE TRAP CIRCUIT
;
NOTE
27
F.1.1
F.1.2
F.1.3
F.1.4
F.1.5
trap frequency
Bandwidth at fSC = 3.58 MHz
Bandwidth at fSC = 4.43 MHz
colour subcarrier rejection
trap frequency during SECAM
reception
20
f
osc
2.8
3.4
30
4.3
MHz
MHz
MHz
dB
MHz
3 dB
3 dB
at nominal peaking
C
HROMINANCE BANDPASS CIRCUIT
F.2.1
F.2.2
F.2.3
centre frequency (CB = 0)
centre frequency (CB = 1)
bandpass quality factor
f
osc
1.1xf
osc
3
MHz
MHz
C
LOCHE FILTER
F.3.1
F.3.2
centre frequency
Bandwidth
4.26
241
4.29
268
4.31
295
MHz
kHz
NUMBER
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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