TDA9800T Просмотр технического описания (PDF) - Philips Electronics
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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. UNIT
Tuner AGC (pin 12)
Vi
IF input signal for minimum starting
point of tuner take over (RMS value)
IF input signal for maximum starting
point of tuner take over (RMS value)
V12
allowable voltage
saturation voltage
∆V12
variation of take over point by
temperature
I12
sink current
∆GIF
IF slip by automatic gain control
AFC circuit (pin 15)
S
control steepness ∆I15/∆f
∆fIF
frequency variation by temperature
V15
output voltage upper limit
output voltage lower limit
I15
output current source
output current sink
∆I15
residual video modulation current
(peak-to-peak value)
Sound mute switch (pin 5)
VIL
VIH
IIL
αmute
∆V5
input voltage for MUTE-ON
input voltage for MUTE-OFF
LOW level input current
audio attenuation
DC offset voltage at switching (plop)
input at pins 1 and 2;
RTOP = 22 kΩ
input at pins 1 and 2;
RTOP = 0 Ω
from external source
I12 = 1.7 mA
I12 = 0.4 mA
see Fig.4
no tuner gain reduction
maximum tuner gain
reduction
tuner gain current from
20 to 80%
see Fig.8 and note 14
note 15
38.9 MHz
45.75 MHz
58.75 MHz
IAFC = 0; note 3
see Fig.8
note 16
V5 = 0 V
V5 = 0 V
switching to MUTE-ON
−
−
5
50
−
−
−
−
13.2
−
−
0.2
−
0.02 0.06
−
0.1
0.3
1.7
2.0
2.6
−
6
8
−0.6
−0.72 −0.84
−0.45 −0.6
−0.75
−0.38 −0.5
−0.62
−
−
±20
VP − 0.5 VP − 0.3 −
−
0.3
0.5
160
200
240
160
200
240
−
20
30
0
−
0.8
1.5
−
VP
−
−300 −360
70
80
−
−
100
500
mV
mV
V
V
dB/K
µA
mA
dB
µA/kHz
µA/kHz
µA/kHz
ppm/K
V
V
µA
µA
µA
V
V
µA
dB
mV
July 1994
10
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