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TDA7040

Low voltage PLL stereo decoder

Philips Electronics 

Philips Semiconductors

Low voltage PLL stereo decoder

Product specification

TDA7040T

GENERAL DESCRIPTION

The TDA7040T is a monolithic integrated circuit for low cost FM stereo radios with an absolute minimum of peripheral

components and a simple lay-out.

Features

• Built-in four pole low pass filter with a 70 kHz corner frequency suppressing unwanted out-of-band input signals

• Fully integrated 228 kHz oscillator

• Pilot presence detector and soft mono/stereo blend

• Built-in interference suppression

• External stereo lamp driver applicable

• Adjustable gain.

QUICK REFERENCE DATA

PARAMETER

Supply voltage (pin 4)

Supply current VP = 3 V

Total harmonic distortion

Signal to noise ratio

Channel separation

SYMBOL

VP

IP

THD

S/(S + N)

α

MIN.

1,8

−

−

−

−

TYP.

−

3

0,3

70

40

MAX.

6

−

−

−

−

UNIT

V

mA

%

dB

dB

PACKAGE OUTLINE

8-lead mini-pack; plastic (S08; SOT96A); SOT96-1; 1996 July 24.

September 1986

2

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