SC72131 데이터 시트보기 (PDF) - Silan Microelectronics

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SC72131

PLL FOR DIGITAL TUNING SYSTEM(DTS)

Silan Microelectronics 

SC72131

TYPICAL APPLICATION CIRCUIT

µ -com

CE

DI

CL

DO

1 OSCIN

OSCOUT 22

2 NC

GND 21

3 PERIOD

LFOUT 20

4 DIN

LFIN 19

5 CLOCK

6 DOUT

DO 18

VDD 17

7 OT1

FMIN 16

8 OT2

AMIN 15

9 OT3

NC 14

10 OT4

IO2 1

11 IO1

IFIN 12

This section is susceptible to noise

due to its high impedance. Therefore,

the pattern lines should be kept as

short as possible and this area should

be covered with a ground pattern.

VCC

FMVCO

AMVCO

tune

FM/AM-IF

IF-Request

FM/AM

MONO/BT

ST-Indicate

TUNER-

System

Note: this circuit according to SDIP-22 package, and the circuit of SOP-20 removed two NC pins, and others are

the same as the above circuit.

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:2.0 2004.08.03

Page 8 of 11

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