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Миниатюрный цифровой усилитель постоянного тока PAM8403 5 В класс D плата модуля для ноутбука

Миниатюрный цифровой усилитель постоянного тока PAM8403 5 В класс D плата модуля для ноутбука

Категория: TVS Diodes >>>
Поставщик: Shenzhen,Mingdewei,Electronics,Co.,Ltd.

Цена:*

Количество:

Описание и отзывы

Трекер стоимости

Месяц	Минимальная цена	Макс. стоимость
Sep-19-2025	0.2 $*	0.87 $*
Aug-19-2025	0.79 $*	0.95 $*
Jul-19-2025	0.29 $*	0.17 $*
Jun-19-2025	0.34 $*	0.32 $*
May-19-2025	0.97 $*	0.30 $*
Apr-19-2025	0.46 $*	0.96 $*
Mar-19-2025	0.32 $*	0.34 $*
Feb-19-2025	0.49 $*	0.2 $*
Jan-19-2025	0.62 $*	0.22 $*

Характеристики

PAM8403 DC 5V Class D Mini Digital Amplifier Board Module for Laptop, LCD TVs

Application: LCD TVs, monitors, laptops, portable speakers, portable DVD players, game consoles and phone / speakerphone
Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply, battery power can also be used
High efficiency: 90%, can provide 3W (left channel)+3W (right channel) output power under 4ohm load and 5V power supply conditions; Class A, class B amplifier efficiency is only about 30%
Class D amplifier is highly respected today, class D amplifier efficiency is extremely high, sound quality won't be affected due to increasing temperature; Do not need heat sink and take less space
Noise canceling circuit was built in the amplifier board, no pop noise when power on / off; With short-circuit current protection and over-temperature protection

Product description

Operating voltage: 2.5V~5.5V
Speaker With: 4~8ohms, recommended: 4ohms
Speaker Power: 2~8W
Note: Must connect speaker first, then power on, or chip may be damaged.
Do not input too large audio signal larger.
Output port negative of left / right channel can not be in parallel.
Max. working voltage: 5.5V
Dimensions: 0.79 in x 0.79 in x 0.12 in
Weight: 0.18 oz
Packing List:
1 x Board