TDA3827 データシートの表示（PDF） - Philips Electronics
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TDA3827 Datasheet PDF : 12 Pages
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Philips Semiconductors
TV-sound demodulator circuit with SCART
switches and AF control
PIN CONFIGURATION
Fig.2 Pin configuration.
PINNING
SYMBOL
PIN
GND
1
VFB1
2
VIF
3
VFB2
4
VO AF1
5
VINT AF
6
VEXT AF
7
VSEL1
8
V90°
9
V90°
10
VSEL2
11
VF
12
VO AF2
13
VREF
14
VSC AF
15
VDC
16
VO AF3
17
VP
18
Preliminary specification
TDA3827
DESCRIPTION
ground
limiter amplifier feedback
FM IF input signal
limiter amplifier feedback
AF output signal
internal AF input signal
external AF input signal
selection voltage for internal /
external AF input and mute
quadrature demodulator tuned
circuit reference
selection voltage for internal /
external or SCART audio
source selector feedback
output signal to SCART
reference voltage
input signal from SCART
DC volume control voltage
AF output signal from volume control
supply voltage
March 1991
Fig.3 Internal circuits.
4
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