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.
Vi IF
IF input signal sensitivity
(RMS value, pins 1 and 2)
for PLL still locked
maximum IF gain;
−
note 5
for C/N = 10 dB
note 6
−
Iloop
FPLL loop offset current at pin 6
note 7
−
Composite video amplifier (pin 13)
sound carrier off
50
90
100
140
−
±4.5
V0 vid
V13
V0 FM
R13
Iint13
I13
B
αH
RR
output signal (peak-to-peak value)
sync level
zero carrier level
upper video clipping level
lower video clipping level
IF intercarrier level (RMS value)
output resistance
internal bias current for emitter
follower
maximum output sink current
maximum output source current
−3 dB video bandwidth
suppression of video signal
harmonics
ripple rejection on pin 13
see Fig.7
0.9
1.0
1.1
1.4
1.5
1.6
−
2.6
−
VP − 1.1 VP − 1.0 −
−
0.3
0.4
sound carrier on; note 8 −
170
−
−
−
10
DC
1.8
2.5
−
DC and AC
1.4
−
−
2.0
−
−
C13 < 50 pF; RL >1 kΩ 7
10
−
C13 < 50 pF; RL >1 kΩ; 35
40
−
note 9
see Fig.9
32
35
−
CVBS buffer amplifier and noise clipper (pins 7 and 14)
R14
C14
V14
Gv
Vo CVBS
input resistance
input capacitance
DC voltage at input
voltage gain
CVBS output signal on pin 7
(peak-to-peak value)
CVBS output level
R7
output resistance
Iint7
internal bias current for emitter
follower
I7
maximum output sink current
maximum output source current
B
−3 dB video bandwidth
2.6
1.4
pin 14 not connected 1.5
note 10
6
sound carrier off;
1.7
see Fig.3
upper video clipping 3.9
lower video clipping
−
sync level
−
−
DC
1.8
DC and AC
1.4
2.4
C7 < 20 pF; RL > 1 kΩ 8
3.3
4.0
2
3.0
1.8
2.1
7
7.5
2.0
2.3
4.0
−
1.0
1.1
1.35
−
−
10
2.5
−
−
−
−
−
11
−
UNIT
µV
µV
µA
V
V
V
V
V
mV
Ω
mA
mA
mA
MHz
dB
dB
kΩ
pF
V
dB
V
V
V
V
Ω
mA
mA
mA
MHz
July 1994
8
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