Truth Table for Logic Inputs (Note 16)

Mute

Mode

Mux

Control

HP Sense

Bass

Boost

Inputs Selected

Bridged Output

Single-Ended

Output

0

0

0

0

on

A0 & B0

Vol. Adjustable

-

0

0

0

1

off

A0 & B0

Muted

Vol. Adjustable

0

0

1

0

on

A1 & B1

Vol. Adjustable

-

0

0

1

1

off

A1 & B1

Muted

Vol. Adjustable

0

1

X

0

on

A0 & B0

Vol. Adjustable

-

0

1

X

1

off

A1 & B1

Muted

Vol. Adjustable

1

X

X

X

muted

X

Muted

Muted

Note 16: If system beep is detected on the Beep In and the beep signal is fed to the inputs, the system beep will be passed through the bridged amplifier regardless

of the logic of the Mute, HP sense, or DC Volume Control pins.

Typical Performance Characteristics

MH/LQ Specific Characteristics

LM4842MH/LQ

THD+N vs Output Power

LM4842MH/LQ

THD+N vs Frequency

20028170

20028171

LM4842MH/LQ

THD+N vs Output Power

LM4842MH/LQ

THD+N vs Frequency

20028172

20028173

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