Estos integrados consisten en amplificadores clase B con ganancia fijada internamente para mejor equilibrio entre los canales (menor que 1dB). Los dos tipos son virtualmente idénticos, excepto en la ganancia, siendo presentados en cubierta SIL de 13 pinos doblados para el formato DIL. Entre las ventajas presentadas por estos integrados destacamos:

No necesita componentes externos en la configuración BTL.

Baja tensión de "off-set" en la salida i100mV), factor importante para la conexión BTL.

Ganancia de tensión fija (14,4V en carga de 4 ohm) de 26dB para BTL y 20 dB para estéreo (TDA1616Q). Los valores para el TDA15189 son de 46dB (BTU y 40dB (estéreo).

Excelente rechazo de "ripple" de la fuente de alimentación (40 dB entre 100 Hz y 10kHz. Rs : 0 ohm).

Salida protegida contra cortocircuito con la tierra o línea de alimentación.

Protección térmica.

Protección contra inversión de polaridad

Posee entrada de "standby" con conmutación de 0 V a 2 Ven el pino 11,y una corriente de conmutación de apenas 12uA para permitir llaves de bajo costo. La corriente en la condición de "standby“ es menor que 100uA. La tensión en el pin 11 para operación normal es mayor que 8, 1V.

Posee "mute con conmutación entre 3 y 6,4V en el pino 11 para eliminar los clics cuando se conecta y desconecta. la corriente de alimentación en la condición de ”mute" es de 40 mA.

Entradas iguales (inversora y no inversora).

 

Son necesarios pocos componentes externos para la configuración estéreo.

Para una distorsión máxima total de 10% tenemos las características de la tabla .

 


 

 

 


 

 

 


 

 

 

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