LA4536M 查看數據表（PDF） - SANYO -> Panasonic

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LA4536M

Monolithic Linear IC 5V CD Headphone-stereo Power Amplifier

SANYO -> Panasonic 

M.SW OFF

LA4536M

VCC=5.0V

Output AC waveform, VIN=0

M.SW DC waveform

Output AC waveform

M.SW DC waveform

M.SW ON

1V/div M.SW OFF

VCC=5.0V

Output AC waveform, VIN=0

M.SW OFF

Output AC waveform

M.SW DC waveform

M.SW DC waveform

1V/div M.SW ON

M.SW ON

Application Notes

Popping noise reduction

The switching sequence shown below can minimize the popping noise.

PWR.SW

VCC

t3

PWR, Mute SW

t1

t2

A11163

To minimize poping noise, the PWR mute switch should be turned on t1 (about 0.1s) after power-on and turned off t2

(about 0.1s) before power-off. Turn on and off the PWR mute switch by applying VCC with the PWR be in no state.

No.4033–8/9

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