Philips TDA8303A User Manual
Page 8
July 1992
8
Philips Semiconductors
Preliminary specification
Small signal combination IC for black/white TV
TDA8303
TDA8303A
S/N
signal-to-noise ratio
10 mV input
signal
50
57
−
dB
S/N
signal-to-noise ratio
end of gain
control range
50
62
−
dB
V
17
residual carrier signal
−
2
10
mV
V
17
residual 2nd harmonic of carrier signal
−
2
10
mV
Tuner AGC
V
8-9(RMS)
minimum starting point for tuner take
−
over
(RMS value)
−
−
0.2
mV
V
8-9(RMS)
maximum starting point for tuner take
−
over
(RMS value)
100
150
−
mV
I
5
maximum tuner AGC output swing
V
5
= 3 V
4
−
−
mA
V
5
output saturation voltage
I
5
= 2 mA
−
−
300
mV
I
L
leakage current (pin 5)
−
−
1
µ
A
∆
V
I
input signal variation complete tuner control
0.2
2
4
dB
V
1
minimum voltage tuner take
−
over
−
−
1
V
AFC circuit
I
19
AFC sample-and-hold switch-off current
0.1
−
−
mA
I
O
output current (pin 19)
V
19
= 0 V
−
0.1
0.3
mA
I
LO
output leakage current (pin 19)
−
−
2
µ
A
V
18
AFC output voltage swing
notes 18 and 19
10.5
−
11.5
V
I
18
available output current
0.2
−
−
mA
control slope
−
100
−
mV/kHz
V
O
output voltage (pin 18)
AFC off
5.5
6
6.5
V
R
O
AFC output resistance
−
40
−
k
Ω
V
18
output voltage swing
notes 25 and 26
−
11
−
V
control slope
notes 25 and 26
−
80
−
mV/kHz
V
18
output voltage shift with respect to
V
I
= 10 mV(RMS)
notes 25 and 26
−
−
2
−
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT