TDA9801 データシートの表示（PDF） - Philips Electronics
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TDA9801 Datasheet PDF : 32 Pages
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Philips Semiconductors
Single standard VIF-PLL demodulator
and FM-PLL detector
Product specification
TDA9801
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
∆Vint
GIF
BIF(−3dB)
Ri(dif)
Ci(dif)
internal IF amplitude
difference between picture
and sound carrier
within AGC range
−
0.7
IF gain control
see Fig.6
fPC = 38.9 or 45.75 MHz 64
70
−3 dB IF bandwidth
fPC = 58.75 MHz
upper limit cut-off
frequency
62
68
70
100
differential input resistance note 2
1.7
2.2
differential input
capacitance
note 2
1.2
1.7
VCO and video demodulator; note 3
fVCO(max)
∆fVCO/∆T
maximum VCO frequency for carrier regeneration; 125
130
f = 2fPC
VCO frequency variation free running; IAFC = 0;
−
−
with temperature
note 4
VVCO(rms)
VCO voltage swing
(RMS value)
measured between
pins VCO1 and VCO2
fPC = 38.9 MHz
fPC = 45.75 MHz
fPC = 58.75 MHz
−
120
−
100
−
80
fcr(PC)
picture carrier capture
frequency range
negative
positive
1.4
1.8
1.4
1.8
tacq
acquisition time
BL = 60 kHz; note 5
−
−
Vi(sens)(VIF)(rms) sensitivity of VIF input
PLL still locked;
−
50
(RMS value)
maximum IF gain; note 6
C/N = 10 dB; note 7
−
100
Ioffset(TPLL)
offset current at pin TPLL note 8
−
−
Video amplifier output (sound carrier off): pin VSO
Vo(VSO)(p-p)
Vsync
Vv(clu)
Vv(cll)
Vo(intc)(rms)
Ro
Ibias
VSO output voltage
(peak-to-peak value)
sync pulse voltage level
upper video clipping
voltage level
lower video clipping voltage
level
intercarrier output voltage
(RMS value)
output resistance
DC bias current
see Fig.5
VP = 5 V
VP = 9 V
sound carrier on; note 9
note 2
for internal emitter-follower
at pin VSO
0.90
0.95
1.35
VP − 1.1
−
−
−
1.8
1.0
1.1
1.5
VP − 1
0.7
32
−
2.5
MAX.
1
UNIT
dB
−
dB
−
dB
−
MHz
2.7
kΩ
2.5
pF
−
MHz
±20 × 10−6 K−1
−
mV
−
mV
−
mV
−
MHz
−
MHz
30
ms
90
µV
140
µV
±2.0
µA
1.25
V
1.25
V
1.6
V
−
V
0.9
V
−
mV
10
Ω
−
mA
1999 Aug 26
8
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