LV47004P开发板套件编程器的评估板-音频放大器规格书PDF中文资料

LV47004P属于开发板套件编程器的评估板-音频放大器。由安森美半导体公司制造生产的LV47004P评估板 - 音频放大器音频放大器评估板是带有元器件的电路，用于提供特定集成电路或器件的工作实例。该产品族中的电路板提供了模拟放大器实例。放大器类型包括 AB 类、D 类、G 类、H 类和 K 类，输出为耳机、1 声道（单声道）、2 声道（立体声）、3 声道、4 声道、6 声道和 8 声道。

Overview

The LV47004P is the IC for 4-channel BTL power amplifier that is developed for car audio system.

Pch DMOS in the upper side of the output stage and Nch DMOS in the lower side of the output stage are complimentary. High power and high quality sound are realized by that.

This IC incorporate various functions (standby switch, muting function, and various protection circuit) necessary for car audio system. Also, it has a self-diagnosis function.

Functions

• High output : PO max = 41W (typical) (VCC = 15.2V, f = 1kHz, RL = 4, Max power)

: PO max = 24W (typical) (VCC = 14.4V, f = 1kHz, THD = 10, RL = 4)

: PO max = 17W (typical) (VCC = 14.4V, f = 1kHz, THD = 1, RL = 4)

• Built-in muting function (pin 22)

• Built-in Standby switch (pin 4)

• Built-in Self-diagnosis function (pin 25) :

Signal output in case of output offset detection, shorting to VCC, shorting to ground, and load shorting.

• Electric mirror noise decrease

• Built-in various protection circuit (shorting to ground, shorting to VCC, load shorting, over voltage and thermal shut down)

• No external anti-oscillation part necessary.