TDA7220

VERY LOW VOLTAGE AM-FM RADIO

June1993

PIN CONNECTION

DIP16

ORDERING NUMBER : TDA7220

.

OPERATING SUPPLY VOLTAGE : 1.5 TO 6V

.

HIGH SENSITIVITY AND LOW NOISE

.

LOW BATTERY DRAIN

.

VERY LOW TWEET

.

HIGH SIGNAL HANDLING

.

VERY SIMPLE DC SWITCHING OF AM-FM

.

AM SECTION OPERATES UP TO 30MHz

DESCRIPTION

The TDA 7220 is a monolithic integrated circuit in

a 16-lead dual in-line plastic package designed for

use in 3V, 4.5V and 6V portable AM-FM radio

receivers.

The functions incorporated are :

AM Section

- Preamplifi er and do uble balance d mixer

with AGC

- On pin local oscillator

- IF amplifier with internal AGC

- Detector and audio preamplifier

FM SECTION

- IF amplifier and limiter

- Quadrature detector

- Audio preamplifier

SO16

ORDERING NUMBER : TDA7220D

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