TDA9806 データシートの表示（PDF） - Philips Electronics
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TDA9806 Datasheet PDF : 24 Pages
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Philips Semiconductors
Multistandard VIF-PLL and
FM-PLL demodulator
Preliminary specification
TDA9806
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Measurements from IF input to CVBS output (pin 10; 330 Ω between pins 21 and 22, sound carrier off)
Vo CVBS(p-p)
CVBS output signal voltage note 9
on pin 10 (peak-to-peak value)
1.7
2.0
2.3
V
Vo CVBS(sync)
∆Vo
sync voltage level
deviation of CVBS output
signal voltage at B/G
B/G standard
50 dB gain control
30 dB gain control
−
1.35
−
V
−
−
0.5
dB
−
−
0.1
dB
∆Vo(blBG)
Gdiff
ϕdiff
B−1
B−3
S/N (W)
black level tilt in B/G standard gain variation; note 10
−
differential gain
“CCIR, line 330”
−
differential phase
“CCIR, line 330”
−
−1 dB video bandwidth
B/G standard; CL < 20 pF; 5
RL > 1 kΩ; AC load
−3 dB video bandwidth
B/G standard; CL < 20 pF; 7
RL > 1 kΩ; AC load
weighted signal-to-noise ratio see Fig.4 and note 11
56
−
1
2
5
1
2
6
−
8
−
60
−
%
%
deg
MHz
MHz
dB
S/N
unweighted signal-to-noise see Fig.4 and note 11
49
53
−
dB
ratio
IMα1.1
intermodulation attenuation at f = 1.1 MHz;
58
64
−
dB
‘blue’
see Fig.5 and note 12
intermodulation attenuation at f = 1.1 MHz;
60
66
−
dB
‘yellow’
see Fig.5 and note 12
IMα3.3
intermodulation attenuation at f = 3.3 MHz;
58
64
−
dB
‘blue’
see Fig.5 and note 12
intermodulation attenuation at f = 3.3 MHz;
59
65
−
dB
‘yellow’
see Fig.5 and note 12
αc(rms)
residual vision carrier
(RMS value)
B/G standard; fundamental −
wave and harmonics
2
5
mV
αH(sup)
suppression of video signal
harmonics
note 8a
35
40
−
dB
αH(spur)
spurious elements
note 8b
40
−
−
dB
PSRR
power supply ripple rejection at video signal; grey level;
25
28
−
dB
pin 10
B/G standard; see Fig.8
VIF-AFC detector (pin 28)
I28
charging current
B/G standard; note 10
discharging current
B/G standard
tresp
AGC response to an
increasing VIF step
B/G standard; note 13
AGC response to a decreasing B/G standard
VIF step
0.75
1
1.25 mA
15
20
25
µA
−
0.05 0.1
ms/dB
−
2.2
3.5
ms/dB
1995 Sep 05
11
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