BA7786FP-Y Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Fabricante

BA7786FP-Y

Headphone / speaker amplifier for notebook computers

ROHM Semiconductor 

Multimedia ICs

•Control pins

(1) MUTE CTRL

• Turns the headphone mute function on and off.

HP MUTE ON

HP MUTE OFF

Control signal: VM

Note

L

Turns off HP AMP output

H (OPEN)

—

BA7786FP-Y / BA7787FS

(2) HP SUSPEND

• Turns the headphone suspend function on and off.

HP SUSPEND

HP SUSPEND

Control signal: VH

L

H

Note

The headphone amplifier operates

The headphone amplifier turns off

• Because the BA7786FP-Y has a pull-up resistor, this is possible even when open (if at the high level).

(3) SP SUSPEND

• Turns the speaker suspend function on and off.

SP SUSPEND

SP SUSPEND

Control signal: VS

L

H

Note

The speaker amplifier operates

The speaker amplifier turns off

• Because the BA7786FP-Y has a pull-up resistor, this is possible even when open (if at the high level).

(4) LINE MIX ON / OFF

• Turns the SP IN input on and off according to SP OUT.

LINE MIX OFF

LINE MIX ON

Control signal: VL

L

H (OPEN)

Note

Stops the output of SP IN input to SP OUT

—

(5) MONO / STEREO (BA7786FP-Y)

• Turns SP AMP LCH on and off.

SP AMP LCH OFF

SP AMP LCH ON

Control signal: VN

L

H (OPEN)

Note

SP AMP LCH turns off

SP AMP LCH operates

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