TDA9808T Ver la hoja de datos (PDF) - Philips Electronics
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TDA9808T Datasheet PDF : 36 Pages
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Philips Semiconductors
Single standard VIF-PLL with QSS-IF and
FM-PLL demodulator
Product specification
TDA9808
SYMBOL
PARAMETER
CONDITIONS
MIN.
Composite video amplifier (pin 9; sound carrier off)
Vo(video)(p-p) output signal voltage
see Fig.8
1.2
(peak-to-peak value)
V/S
ratio between video
2.0
(black-to-white) and sync level
Vsync(9)
sync voltage level
1.4
Vclu(9)
upper video clipping voltage
3.3
level
Vcll(9)
lower video clipping voltage
−
level
Ro(9)
output resistance
note 3
−
Iint(9)
internal DC bias current for
1.6
emitter-follower
Io(sink)(9)(max) maximum AC and DC output
1.0
sink current
Io(source)(9)(max) maximum AC and DC output
2.0
source current
∆Vo
deviation of CVBS output
50 dB gain control
−
signal voltage
30 dB gain control
−
∆Vo(bl)
Gdiff
ϕdiff
B−1
B−3
S/NW(video)
black level tilt
gain variation; note 8 −
differential gain
“NTC-7 Composite”
−
differential phase
“NTC-7 Composite”
−
−1 dB video bandwidth
CL < 30 pF;
5
RL > 1.5 kΩ; AC load
−3 dB video bandwidth
CL < 30 pF;
7
RL > 1.5 kΩ; AC load
weighted signal-to-noise ratio see Fig.6 and note 9 56
for video
S/N(video)
unweighted signal-to-noise see Fig.6 and note 9 49
ratio for video
αIM(0.92)
intermodulation attenuation at f = 0.92 MHz; see Fig.7
‘blue’
and note 10
58
‘yellow’
60
αIM(2.76)
intermodulation attenuation at f = 2.76 MHz; see Fig.7
‘blue’
and note 10
58
‘yellow’
59
VVC(rms)
residual vision carrier
(RMS value)
fundamental wave and −
harmonics
αH(sup)
suppression of video signal note 11a
35
harmonics
αH(spur)
PSRR
spurious elements
power supply ripple rejection
at pin 9
note 11b
40
video signal; grey level; 25
see Fig.11
TYP.
1.35
2.5
1.5
3.45
1.1
−
2.0
−
−
−
−
−
2
2
6
8
60
53
64
66
64
65
2
40
−
30
MAX.
1.5
3.0
1.6
−
1.25
10
−
−
−
0.5
0.1
1
5
4
−
−
−
−
−
−
−
−
10
−
−
−
UNIT
V
V
V
V
Ω
mA
mA
mA
dB
dB
%
%
deg
MHz
MHz
dB
dB
dB
dB
dB
dB
mV
dB
dB
dB
1999 Jun 04
12
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