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Stereo amplifier chip L149

Simple single-channel audio frequency power amplifier can be collected on the basis of microchips L149. Power amplifier schematic diagram is shown in figure. L149Выходная мощность усилителя не более 10 Вт на динамике 8Ω. Источник питания должен поддерживать постоянное напряжение 6-20 В при силе тока 2 А. Микросхему L149 необходимо присоединить к теплоотводящему радиатору. L1491The main characteristics of the UMZCh chip L149 are presented in the table.

Chip

Chassis

in theImin

in theIP

PccP

RI

II0

IccP

Bin

Rin

Gin

L149 TO220-7 ±6V ±20V 10W 30mA 2A 30Hz-20KHz 2kΩ 1dB

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