TDA9829T Просмотр технического описания (PDF) - Philips Electronics
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TDA9829T Datasheet PDF : 20 Pages
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Philips Semiconductors
Downconverter for DVB
Product specification
TDA9829T
SYMBOL
PARAMETER
αmute
Vi(mute)
mute attenuation
mute switch input voltage
(pin 20)
IIL
LOW-level input current (pin 20)
DVB AGC detector (pins 8, 9 and 18)
tresp
Ich
Idch
∆Vi(AGC)
∆Ri(AGC)
∆AGCstps
VAGC(ext)
Ri(AGC)(ext)
response to an increasing
amplitude step in the IF input
signal
response to a decreasing
amplitude step in the IF input
signal
charging current (pin 18)
discharging current (pin 18)
AGC adjust input voltage range
(pin 9)
AGC adjust input resistance
(pin 9)
AGC adjust steepness
external AGC voltage for DVB
(pin 8)
external AGC input resistance
(pin 8)
Tuner AGC (pin 12)
Vi(min)(rms)
Vi(max)(rms)
Vo
Vsat
∆----V----T-∆---O-T--P----,-1--2-
IF input signal voltage for
minimum starting point of tuner
takeover (RMS value)
IF input signal voltage for
maximum starting point of tuner
takeover (RMS value)
permissible output voltage
saturation voltage
variation of takeover point by
temperature
Isink
sink current
CONDITIONS
note 2
DVB mute; note 3
DVB no mute
V20 = 0 V
note 6
note 6
2 V < V9 < 3 V
see Fig.3
MIN.
−
1.3
0
180
−
−
−
−
1
8
−
1
40
input at pins 3 and 4;
−
RTOP = 22 kΩ;
ITAGC = 0.4 mA
input at pins 3 and 4;
50
RTOP = 0 Ω; ITAGC = 0.4 mA
from external source; note 2 −
ITAGC = 1.5 mA
−
ITAGC = 0.4 mA
−
see Fig.3
no tuner gain reduction; −
VTAGC = 13.2 V
maximum tuner gain
1.5
reduction
TYP.
36
−
−
230
0.25
0.25
200
200
2.5
10
−5
−
−
2
100
−
−
0.03
−
2
MAX.
−
VP
0.8
280
−
−
−
−
4.5
12
−
4.5
−
5
−
13.2
0.2
0.07
5
2.6
UNIT
dB
V
V
µA
ms/dB
ms/dB
µA
µA
V
kΩ
dB/V
V
kΩ
mV
mV
V
V
dB/K
µA
mA
1998 Nov 09
7
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