Integrated FM Tuner for Radio Receivers

Short Description

The integrated circuit contains all the function units needed for a VHF tuner with the exception of the RF pre stage.

It is mainly applied in the RF section of car radios and home receivers.

Package

• DIP 18

Pin Configuration

1

mixer input 1

10

IF output

2

mixer input 2

11

standby switch

3

wideband information input

12

narrow band information input

4

ground

13

IF input 1

5

reference voltage

14

IF input 2

6

oscillator output

15

supply voltage

7

oscillator input 1

16

mixer output 1

8

oscillator input 2

17

mixer output 2

9

buffered oscillator output

18

AGC-output

Technical Data

TDA1574

Edition 09/00

24.8

± 0.2

≤ 2.54

0.47

±0.12

≤ 1.40

2.54

8

1234567

9

14

13

12

11

10

18

17

16

15

0.27

+0.09

-0.07

7.62

6.5

+0.2

- 0.1

8.0 . . . 9.8

09/00

1