CXA3218N View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXA3218N

FM Demodulator for BS/CS

Sony Semiconductor 

CXA3218N

Pin

Typical pin

Symbol

No.

voltage

Equivalent circuit

Description

9 GCONT

1.5 V

to

4.0 V

VCC

150

9

15k 3k

2.7V

DETAMP block gain adjustment.

GND

10 AFTDWN

11 AFTUP

4.9 V

or

0.1 V

12

ANA

2.4 V

to

3.8 V

13 KEYEDIN

0.3 V

VCC

30k

10

AFT block digital output.

11

30k

GND

VCC

2k

200 75k

47k

200

12

AFT block filter.

Connect to GND with a 10 µF

capacitor.

2.5V

GND

150

13

30k

VCC

4k

GND

AFT block keyed input.

VCC

14

SH2

2k 2k

3.0 V

200

to

14

3.5 V

15

15

SH1

AFT block sample-and-hold signal

output.

Connect to GND with a 0.1 µF

capacitor.

GND

—4—

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