TDA9800T View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA9800T Datasheet PDF : 23 Pages
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Philips Semiconductors
VIF-PLL demodulator and FM-PLL detector
Preliminary specification
TDA9800
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Measurements from IF input to CVBS output (pin 7) 330 Ω between pins 13 and 14, sound carrier off
Vo CVBS
CVBS output signal on pin 7
(peak-to-peak value)
1.7
2.0
2.3
∆Vo
deviation of CVBS output signal at 50 dB gain control
−
−
0.5
B/G
30 dB gain control
−
−
0.1
black level tilt
note 11
−
−
1
∆G
differential gain
∆ϕ
differential phase
CCIR line 330 or
−
2
5
NTC-7 Composite
−
1
3
B
S/N(W)
−3 dB video bandwidth
signal-to-noise ratio; weighted
CL < 20 pF; RL > 1 kΩ 6
8
−
see Fig.5 and note 12 56
59
−
α0.92/1.1
intermodulation at ‘blue’
intermodulation at ‘yellow’
f = 0.92 or 1.1 MHz; 56
62
−
see Fig.6 and note 13 58
64
−
α2.76/3.3
intermodulation at ‘blue’
intermodulation at ‘yellow’
f = 2.76 or 3.3 MHz; 56
62
−
see Fig.6 and note 13 57
63
−
αC
residual vision carrier (RMS value) fundamental wave
−
1
10
harmonics
−
1
10
αH
suppression of video signal
harmonics
note 9
35
40
−
RR
ripple rejection on pin 7
see Fig.9
25
28
−
V
dB
dB
%
%
deg
MHz
dB
dB
dB
dB
dB
mV
mV
dB
dB
AGC detector (pin 19)
tresp
response to an increasing amplitude
step of 50 dB in input signal
response to a decreasing amplitude
step of 50 dB in input signal
I19
charging current
discharging current
V19
AGC voltage
note 11
maximum gain
minimum gain
−
1
10
ms
−
50
100
ms
0.85 1.1
1.35 mA
17
22
27
µA
0
see
−
V
Fig.4
−
see
VP − 0.7 V
Fig.4
July 1994
9
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