TDA9802T Ver la hoja de datos (PDF) - Philips Electronics
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TDA9802T Datasheet PDF : 23 Pages
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Philips Semiconductors
Multistandard VIF-PLL demodulator and
FM-PLL detector
Preliminary specification
TDA9802
SYMBOL
PARAMETER
CONDITIONS
Tuner AGC (pin 12)
Vi
V12
∆V12
I12
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)
allowable voltage
input at pins 1 and 2;
RTOP = 22 kΩ
input at pins 1 and 2;
RTOP = 0 Ω
from external source
saturation voltage
I12 = 1.7 mA
variation of take over point by temperature ∆T = 0 to +50 °C
sink current
see Fig.4
no tuner gain reduction
maximum tuner gain
reduction
∆GIF
IF slip by automatic gain control
tuner gain current from
20 to 80%
AFC circuit (pin 15)
see Fig.8 and note 15
S
control steepness ∆I15/∆f
∆fIF
frequency variation by temperature
see note 16
∆T = 0 to +70 °C;
see note 4
V15
output voltage upper limit
see Fig.8
output voltage lower limit
I15
output current source
output current sink
∆I15
residual video modulation current
(peak-to-peak value)
B/G and L
Sound mute switch (pin 5)
see note 17
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)
FM sound limiter amplifier (pin 11)
V5 = 0 V
V5 = 0 V
switching to MUTE-ON
FM 5.5 MHz
Vi FM
input signal (RMS value, pin 11)
for S/N = 40 dB
CCIR468-4
see Fig.11
for AM suppression αAM = 40 dB
AM: f = 1 kHz; m = 0.3
maximum input signal handling (RMS value)
R11
input resistance
B
−3 dB IF frequency response of sound IF lower and upper
cut-off frequency
V11
DC voltage
MIN. TYP. MAX.
−
−5
50 − −
−
− 13.2
−
− 0.2
−
13
−
0.1 0.3
1.7 2.0 2.6
−
68
0.6 0.72 0.84
−
− ±1300
VP −
0.5
−
160
160
−
VP − −
0.3
0.3 0.5
200 240
200 240
20 30
0
− 0.8
1.5 −
VP
−
−300 −360
70 80 −
−
100 500
−
200 300
−
1−
200 − −
480 600 720
3.5 − 10
2.3 2.6 2.9
UNIT
mV
mV
V
V
dB
µA
mA
dB
µA/kHz
10−6
V
V
µA
µA
µA
V
V
µA
dB
mV
µV
mV
mV
Ω
MHz
V
November 1992
10
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