TDA3827 datasheet(4/12 Pages) PHILIPS

Part #	TDA3827

Description	TV-sound demodulator circuit with SCART switches and AF control

PDF	12 Pages

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 12 page

March 1991

Philips Semiconductors

Preliminary speciﬁcation

TV-sound demodulator circuit with SCART

switches and AF control

TDA3827

PIN CONFIGURATION

Fig.2 Pin configuration.

PINNING

SYMBOL

DESCRIPTION

GND

ground

VFB1

limiter ampliﬁer feedback

VIF

FM IF input signal

VFB2

limiter ampliﬁer feedback

VO AF1

AF output signal

VINT AF

internal AF input signal

VEXT AF

external AF input signal

VSEL1

selection voltage for internal /

external AF input and mute

V90°

quadrature demodulator tuned

circuit reference

V90°

VSEL2

selection voltage for internal /

external or SCART audio

source selector feedback

VO AF2

output signal to SCART

VREF

reference voltage

VSC AF

input signal from SCART

VDC

DC volume control voltage

VO AF3

AF output signal from volume control

supply voltage

Fig.3 Internal circuits.

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