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LA1145

FM IF System (Quadrature Detector) for Car Radio

SANYO -> Panasonic 

LA1145, 1145M

LA1145 Pin Description and Typical Voltages

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Typical Voltage (V)

2.6

2.6

0.0

4.0

0.2

2.1

4.9

5.0

4.8

4.8

4.8

8.0

0.1

0.0

4.8

0.2

0.2

0.1

Description

IF input

IF amp bias

IF amp GND

Mute start control

Mute gradient control

Mute attenuation control

AF output

AFC output

IF output

Quadrature detection input

Voltage regulator output

VCC

IF count output, control

GND for detection circuit

Mute driver

S-meter output

SD sensitivity control

SD output

LA1145M Pin Description and Typical Voltages

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Typical Voltage (V)

–

2.6

2.6

0.0

4.0

0.2

2.1

4.9

5.0

4.8

4.8

4.8

8.0

0.1

0.0

4.8

0.2

0.2

0.1

–

Description

NC

IF input

IF amp bias

IF amp GND

Mute start control

Mute gradient control

Mute attenuation control

AF output

AFC output

IF output

Quadrature detection input

Voltage regulator output

VCC

IF count output, control

GND for detection circuit

Mute driver

S-meter output

SD sensitivity control

SD output

NC

Remarks

Open collector

Remarks

Open collector

No. 2725-6/17

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