TDA9809 Просмотр технического описания (PDF) - Philips Electronics
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TDA9809 Datasheet PDF : 40 Pages
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Philips Semiconductors
Single standard multimedia IF-PLL and FM
radio demodulator
Preliminary specification
TDA9809M
SYMBOL
PARAMETER
CONDITIONS
MIN.
VIF-AGC DETECTOR (PIN 5)
Ich
Idch
tres(AGC)(r)
charge current
note 7
discharge current
AGC response time to note 11
a rising VIF step
tres(AGC)(f)
AGC response time to
a falling VIF step
0.75
15
−
−
TV TUNER AGC (PIN 12)
Vi(rms)
IF input signal voltage input at pins 1 and 2;
−
for minimum onset of RTOP = 22 kΩ; I12 = 0.4 mA
tuner takeover
(RMS value)
IF input signal voltage input at pins 1 and 2;
50
for maximum onset of RTOP = 0 Ω; I12 = 0.4 mA
tuner takeover
(RMS value)
tuner takeover point RTOP = 13 kΩ; I12 = 0.4 mA 5
accuracy (RMS value)
Vo(max)
maximum output
from external source;
−
voltage
note 2
Vsat
saturation voltage
I12 = 1.5 mA
−
∆VTOP/∆T
variation of takeover I12 = 0.4 mA
−
point with temperature
Isink
sink current
see Fig.3
no tuner gain reduction; −
V12 = 13.2 V
maximum tuner gain
1.5
reduction
∆GIF
IF slip by automatic tuner gain current from
−
gain control
20 to 80%
TV AFC DETECTOR (PIN 14); see Fig.6 and note 12
CRstps
∆fIF/∆T
control steepness
∆I14/∆f
frequency variation
with temperature
fPC = 38.9 MHz; note 13
fPC = 45.75 MHz; note 13
IAFC = 0; note 4
Vo(max)
output voltage upper see Fig.6 without external
limit
components
Vo(min)
output voltage lower
limit
Io(source)
Io(sink)
∆Ir(mod)(p-p)
output source current
output sink current
residual video
modulation current
(peak-to-peak value)
0.5
0.4
−
VP − 0.6
−
150
150
−
TYP.
1
20
0.05
2.2
2
100
−
−
−
0.03
−
2
6
0.75
0.65
−
VP − 0.3
0.3
200
200
20
MAX.
1.25
25
0.1
3.5
5
−
20
13.2
0.2
0.07
1
2.6
8
1.0
0.9
±20 × 10−6
−
0.6
250
250
30
UNIT
mA
µA
ms/dB
ms/dB
mV
mV
mV
V
V
dB/K
µA
mA
dB
µA/kHz
µA/kHz
K−1
V
V
µA
µA
µA
1998 Jan 08
11
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