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TDA4471 датащи(PDF) 9 Page - TEMIC Semiconductors

номер детали TDA4471
подробное описание детали  Multistandard Video-IF and Quasi Parallel Sound Processing
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производитель  TEMIC [TEMIC Semiconductors]
домашняя страница  http://www.temic.de
Logo TEMIC - TEMIC Semiconductors

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TELEFUNKEN Semiconductors
TDA4471
Preliminary Information
Rev. A1: 18.08.1995
9 (16)
Electrical Characteristics
Vs = +5V, Tamb = +25°C; reference point Pin 4 (9, 18), unless otherwise specified
Parameters
Test Conditions / Pins
Symbol
Min.
Typ.
Max.
Unit
SIF input
Pin 1–2
Input sensitivity, RMS
value
output signal: –3dB
vin
80
120
V
Input impedance
see note 1
Rin
1.2
k
Input capacitance
see note 1
Cin
2
pF
SIF – AGC:
(pin 5)
IF gain control range
Gv
60
65
dB
AGC capacitor
CAGC
10
F
Intercarrier output– FM
Pin 26 see note 8
DC output voltage
VDC
2
V
Output resistance
see note 1
Rout
150
Sound IF output voltage,
RMS value
5.5 MHz output voltage
vin = 10 mV
vout
300
mV
Weighted signal to noise ra-
tio:
(CCIR 468)
Black screen: Channel 1/2
Grid pattern: Channel 1/2
Grey screen 50%:
Channel 1/2
Ref .signal:
vin =10 mV;
FM dev. = 27 kHz
fmod = 1 kHz;
tested with the double FM
demod. U2860B;
B/G modulated IF signal
S/N
S/N
S/N
60/58
54/52
60/57
dB
dB
dB
Ripple rejection
Pins 25, 26
see note 1
RR
35
dB
Electrical Characteristics
Vs = +5V, Tamb = +25°C; reference point Pin 4 (9 ,16), unless otherwise specified
Parameters
Test Conditions / Pins
Symbol
Min.
Typ.
Max.
Unit
AF output – AM
Pin 27 see note 9
DC output voltage
VDC
2.2
V
Output resistance
see note 1
Rout
150
AF output voltage, RMS
value
m = 54 %
voAF
500
mV
Total harmonic distortion
m = 54%
fmod = 1kHz, 12.5kHz
THD
1
2
%
Signal to noise ratio
Reference: m = 54%,
fmod = 1 kHz,
22 kHz low pass filter
S/N
65
dB
Ripple rejection
Pin 25, 27
see note 1
RR
28
dB


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