TDA3827 データシートの表示（PDF） - Philips Electronics

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TDA3827

TV-sound demodulator circuit with SCART switches and AF control

Philips Electronics 

Philips Semiconductors

TV-sound demodulator circuit with

SCART switches and AF control

Preliminary specification

TDA3827

FEATURES

• Wide supply voltage range from

4.5 V to 13.2 V

• Wide frequency range from 4 to

12 MHz

• High ripple rejection

• High precision and temperature

compensated FM-demodulator

output

• Multiple-input AF operational

amplifiers with offset compensation

• SCART AF input / AF output (low

impedance)

• External AF input

• High-level AF output voltage with

low distortion

• External selection of the source

selector AF gain

• Low switching noise between AF

and mute

• Wide volume-control range

QUICK REFERENCE DATA

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

VP

supply voltage

range (pin 18)

4.5 5.0 13.2 V

IP

supply current VP = 5 V

− 26 −

mA

(pin 18)

VP = 12 V

− 28 −

mA

(S+N)/N signal to weighted

noise

73 78 −

dB

V5(rms)

FM demodulator ∆f = 50 kHz; 450 500 550 mV

output voltage

fmod = 1 kHz;

(RMS value)

QL = 20

V13(rms)

SCART output

signal

(RMS value)

− 1.0 −

V

Gv

volume control

range

80 85 −

dB

V17(rms) AF output signal ∆f = 50 kHz; −

1.0 −

V

(RMS value)

fmod = 1 kHz;

QL = 20

THD

total harmonic

− 0.5 −

%

distortion (pin 17)

GENERAL DESCRIPTION

The TDA3827 contains a single FM

demodulator with SCART switches, a

mute function and volume control.

ORDERING AND PACKAGE INFORMATION

EXTENDED TYPE

PACKAGE

NUMBER

PINS PIN POSITION MATERIAL

TDA3827

18 DIL

plastic

Note

1. SOT102-2; 1996 December 13.

CODE

SOT102(1)

March 1991

2

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