Philips TDA8303A - 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