TDA4472-MFLG3 查看數據表（PDF） - Temic Semiconductors

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TDA4472-MFLG3

Video-IF and Quasi Parallel Sound Processing

Temic Semiconductors 

TDA4472-M

Pin Description

Vi,SIF1 1

Vi,SIF1 2

VSW 3

GND 4

28 Vi,SIF2

27 Vi,SIF2

26 Rcomp

25 NC

CAGC 5

24 Vo,FM

Vi,VIF 6

23 VS

Vi,VIF 7

22 VAFC

CAGC 8

21 VVCO

GND 9

20 VVCO

Rtop 10

19 Vsw

Itun 11

18 LF

Vo,vid 12

17 Cref

NC 13

16 GND

NC 14

15 NC

94 8835

Figure 2. Pinning

Pin

1, 2

3

4, 9, 16

5

6, 7

8

10

11

12

13

14

15

17

18

19

20, 21

22

23

24

25

26

27, 28

Symbol

Vi, SIF1

Vsw

GND

CAGC

Vi, VIF

CAGC

Rtop

Itun

Vo,vid

NC

NC

NC

Cref

LF

Vsw

VVCO

VAFC

VS

VO, FM

NC

Rcomp

Vi, SIF2

Function

SIF1 input (symmetrical)

Input selector switch

Ground

SIF-AGC (time constant)

VIF input (symmetrical)

VIF-AGC (time constant)

Take over point, tuner AGC

Tuner AGC output current

Video output

Not connected

Not connected

Not connected

Internal reference voltage

Loop filter

AFC switch

VCO circuit

AFC output

Supply voltage

Intercarrier output

Not connected

Offset compensation

SIF 2 input (symmetrical)

4 (14)

TELEFUNKEN Semiconductors

Preliminary Information

Rev. A2, 15-Oct-96

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