MSA180 Ver la hoja de datos (PDF) - Oki Electric Industry

Número de pieza

componentes Descripción

Lista de partido

MSA180

Piezo Speaker Amplifier

Oki Electric Industry 

¡ Semiconductor

MSA180

APPLICATION CIRCUITS

How to Adjust Gain

Gain control adjustment of the input signal level is shown below. When using OKI's speech

synthesizer devices, insert a diode in series with the variable resistor to reduce pop noise.

VDD

Signal

R1

100 kW

C1

0.1 mF

BASE

MODE2

VCC

SP

AIN MSA180

MODE1

SP

GND

PIEZO SPEAKER

The circuit below also implements gain adjustment for a higher impedance signal source.

VDD

Signal

R1

20 kW

C1

0.1 mF

BASE

MODE2

VCC

SP

AIN MSA180

MODE1

SP

GND

PIEZO SPEAKER

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