APL840N 데이터 시트보기 (PDF) - APLUS INTEGRATED CIRCUITS

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APL840N

32 to 40 SEC INSTANT VOICE ROM

APLUS INTEGRATED CIRCUITS 

APLUS

APPLICATION CIRCUITS

API840N

CDS

ROSC

Vcc

OSC

SP

COUT

SBT

R

IRP

GND

SW8

SW5

SW6

SW7

ROSC

SW1

SW2

SW3

SW4

Vcc

SP

OSC

COUT

TG1

TG2

R

TG3

TG4 GND

Figure 6. CDS Application and Additional Trigger

Notes:

The following are typical values:

1. ROSC = 2.0 M OHM.

2. B for N (NPN transistor) > 130.

3. SP = 8 OHM 1/4W.

4. Piezo buzzer resonant frequency = 1 KHz.

10

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