
1998 Feb 09
12
Philips Semiconductors
Product specication
Multistandard VIF-PLL with QSS-IF and
AM demodulator
TDA9811
funwanted(p-p)
robustness for unwanted
frequency deviation of
picture carrier
(peak-to-peak value)
L standard;
residual carrier: 3%;
serration pulses: 50%; note 2
12
kHz
robustness for modulator
imbalance
L standard;
residual carrier: 0%;
serration pulses: 50%; note 2
3%
αH(sup)
suppression of video signal
harmonics
note 8a
35
40
dB
α
H(spur)
spurious elements
note 8b
40
dB
PSRR
power supply ripple rejection
at pin 10
video signal; grey level;
see Fig.11
B/G standard
25
28
dB
L standard
20
23
dB
VIF-AGC detector (pin 28)
I28
charging current
B/G and L standard; note 10
0.75
1
1.25
mA
additional charging current
L standard in event of
missing VITS pulses and no
white video content
1.9
2.5
3.1
A
discharging current
B/G standard
15
20
25
A
normal mode L standard
225
300
375
nA
fast mode L standard
30
40
50
A
tresp
AGC response to an
increasing VIF step
B/G and L standard; note 13
0.05
0.1
ms/dB
AGC response to a
decreasing VIF step
B/G standard
2.2
3.5
ms/dB
fast mode L standard
1.1
1.8
ms/dB
normal mode L standard;
note 13
150
240
ms/dB
IF
VIF amplitude step for
activating fast AGC mode
L standard
2
6
10
dB
V3(th)
threshold voltage level
additional charging current
see Fig.8
L standard
1.95
V
L standard; fast mode L
1.65
V
Tuner AGC (pin 19)
Vi(rms)
IF input signal voltage for
minimum starting point of
tuner takeover (RMS value)
input at pins 1, 2, 4 and 5;
RTOP =22k; I19 = 0.4 mA
25
mV
IF input signal voltage for
maximum starting point of
tuner takeover (RMS value)
input at pins 1, 2, 4 and 5;
RTOP =0 ; I19 = 0.4 mA
50
100
mV
Vo,19
permissible output voltage
from external source; note 2
13.2
V
Vsat,19
saturation voltage
I19 = 1.5 mA
0.2
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT