TDA1597 Просмотр технического описания (PDF) - Philips Electronics

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TDA1597

IF amplifier/demodulator for FM radio receivers

Philips Electronics 

Philips Semiconductors

IF amplifier/demodulator for FM radio receivers

Product specification

TDA1597

PINNING

SYMBOL

VP

LVA

ULV

VoAF

Vref

WLV

MODE

DDV

n.c.

DEMI1

DEMI2

n.c.

TSW

ST1

ST0

MUTE

GND

LFB1

LFB2

ViIF

PIN

DIP18

SO20

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

−

9

9

10

10

11

−

12

11

13

12

14

13

15

14

16

15

17

16

18

17

19

18

20

DESCRIPTION

supply voltage (+8.5 V)

level adjustment for stop condition

unweighted level output/K2 adjustment

audio frequency output (MPX signal)

reference voltage output

weighted level output

mode switch input

detune detector voltage

not connected

demodulator input 1

demodulator input 2

not connected

tau switch input

STOP-1, stop pulse output 1

STOP-0, stop pulse output 0

muting voltage

ground (0 V)

IF limiter feedback 1

IF limiter feedback 2

IF signal input

handbook, halfpage

VP 1

LVA 2

18 ViIF

17 LFB2

ULV 3

16 LFB1

VoAF 4

Vref 5

15 GND

TDA1597 14 MUTE

WLV 6

13 ST0

MODE 7

12 ST1

DDV 8

11 TSW

DEMI1 9

10 DEMI2

MED830

Fig.2 Pin configuration (DIP version).

1997 Feb 27

handbook, halfpage

VP 1

LVA 2

20 ViIF

19 LFB2

ULV 3

18 LFB1

VoAF 4

17 GND

Vref 5

16 MUTE

TDA1597T

WLV 6

15 ST0

MODE 7

14 ST1

DDV 8

13 TSW

n.c. 9

12 n.c.

DEMI1 10

11 DEMI2

MED831

Fig.3 Pin configuration (SO version).

4

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