Philips TDA7000 Datasheet

INTEGRATED CIRCUITS

DATA SH EET

TDA7000

FM radio circuit

Product specification
File under Integrated Circuits, IC01

May 1992

Philips Semiconductors Product specification

FM radio circuit TDA7000

GENERAL DESCRIPTION

The TDA7000 is a monolithic integrated circuit for mono FM portable radios, where a minimum on peripheral components
is important (small dimensions and low costs).

The IC has an FLL (Frequency-Locked-Loop) system with an intermediate frequency of 70 kHz. The i.f. selectivity is
obtained by active RC filters. The only function which needs alignment is the resonant circuit for the oscillator, thus
selecting the reception frequency. Spurious reception is avoided by means of a mute circuit, which also eliminates too
noisy input signals. Special precautions are taken to meet the radiation requirements.

The TDA7000 includes the following functions:

• R.F. input stage

• Mixer

• Local oscillator

• I.F. amplifier/limiter

• Phase demodulator

• Mute detector

• Mute switch

QUICK REFERENCE DATA

Supply voltage range (pin 5) V
Supply current at V

= 4,5 V I

P

R.F. input frequency range f

P
rf

2,7 to 10 V

P

typ. 8 mA

1,5 to 110 MHz

Sensitivity for -3 dB limiting

(e.m.f. voltage)

(source impedance: 75 Ω; mute disabled) EMF typ. 1,5 µV

Signal handling (e.m.f. voltage)

(source impedance: 75 Ω) EMF typ. 200 mV

A.F. output voltage at R

= 22 kΩ V

L

typ. 75 mV

o

PACKAGE OUTLINE

18-lead DIL; plastic (SOT102HE); SOT102-1; 1996 July 24.

May 1992 2

Philips Semiconductors Product specification

FM radio circuit TDA7000

Fig.1 Block diagram.

May 1992 3