ML22Q533 datasheet(109/178 Pages) ROHM

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FEDL22Q53X-02

ML22Q53X

POP

Description

Without pop noise suppression

With pop noise suppression

This bit is valid when line amplifier output is selected.

When power up with pop noise suppression, the line amplifier output rises from the DGND level to the SG level at

the specified time (tPUPA2).When power down with pop noise suppression, the line amplifier output falls from the

SG level to the DGND level at the specified time (tPDA2).

When power up without pop noise suppression, the line amplifier output rises from the DGND level to the SG level

at the specified time (tPUPA3).When power down without pop noise suppression, the line amplifier output falls

from the SG level to the DGND level at the specified time (tPDA3).

The settings of the AEN1/AEN0/POP bits for power-down and power-up of the analog section when the speaker amplifier

output and line amplifier output are as follows.

Mode

AEN1

AEN0

POP

Description

Speaker amplifier

output

(Class AB amplifier)

In the power-down state or

changeover to the power-down state.

In the power-up state or

changeover to the power-up state

Line amplifier output

(When using SPP pin)

In the power-down state or

changeover to the power-down state without Pop Noise Suppression

In the power-up state or

changeover to the power-up state without Pop Noise Suppression

In the power-down state or

changeover to the power-down state with pop noise suppression

In the power-up state or

changeover to the power-up state with pop noise suppression

Line amplifier output

(When using LOUT pin)

In the power-down state or

changeover to the power-down state without Pop Noise Suppression

In the power-up state or

changeover to the power-up state without Pop Noise Suppression

In the power-down state or

changeover to the power-down state with pop noise suppression

In the power-up state or

changeover to the power-up state with pop noise suppression

*1 Settings can be enabled for both 0 and 1.

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