TDA4481 Ver la hoja de datos (PDF) - Temic Semiconductors
Número de pieza
componentes Descripción
Fabricante
TDA4481 Datasheet PDF : 10 Pages
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TDA4481-D
TELEFUNKEN Semiconductors
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max.
Unit
FM-operation
Min. sound carrier input (intercarrier voltage –3 dB)
voltage
Pin 18, 19
v
50
mV
Picture carrier input volt-
age
Pin 1–2
v
10
20
30
mV
Audio output voltage
Harmonic distortion
fPC = 38.9 MHz, Pin 7, 9
v
v1–2 = 20 mV,
fSC =33.4 MHz,
v18–19 = 10 mV,
FM-deviation = 27 kHz,
fmod = 1 kHz, QB = 22
fmod = 1 kHz, Pin 7, 9
d
QB = 22
FM-deviation = 30 kHz
500
mV
0.5
%
Signal to noise ratio
FM-deviation 30 kHz,
Standard B/G
according to CCIR 468
fmod = 1 kHz Pin 7, 9
Black burst
(S+N)
N
62
dB 1)
specification
Grid test signal
50
AF amplifier – SCART-operation
Volume control range
Pin 7
80
dB
V8 for VAFmin at Pin 7
V8 for VAFmax at Pin 7
SCART control voltage
SCART input resistance
AF input voltage
recording
playback
THD ≤ 3 %
Pin 8
Pin 8
Pin 3
Pin 5
Pin 5
V8
0
V8
4.5
0.5
V
V
V3
0
2
V
V3
4
RS
55
kW
v
2
V
SCART-amplification
G
–1
0
+1
dB
Attenuation
v5 = 500 mV, Pin 7, 9
a7,9
60
75
dB
V3 = 0 V
Muting on (AF off)
Switching current
Pin 17
V17
0
1
V
Pin 17
I17
600
mA
Muting off
voltage to diode Pin 17
V17
4
VS
V
Converter operation
Pin 10
DC at oscillator pin
V6 ≥ 3.5 V
Oscillator frequency range
V10
2.7
V
f
9
13
MHz 2)
Oscillator amplitude
v
400
mV 2)
Operation quality factor of
external oscillator stage
QB
70
1) Standard B/G IF-modulated-FBAS-signal
2) See application circuit
4 (10)
Rev. A1: 23.02.1995
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