VDD PV
參數(shù)資料
型號: LM4674TLX/NOPB
廠商: National Semiconductor
文件頁數(shù): 12/27頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.5W D 16USMD
產(chǎn)品培訓(xùn)模塊: PowerWise® Products and Technology
標(biāo)準(zhǔn)包裝: 3,000
系列: Boomer®
類型: D 類
輸出類型: 2 通道(立體聲)
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 2.5W x 2 @ 4 歐姆
電源電壓: 2.4 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,PWM,短路保護(hù),關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 16-uSMD
封裝/外殼: 16-WFBGA
包裝: 帶卷 (TR)
其它名稱: LM4674TLX
SDR
SDL
G0
G1
INR-
INL-
INR+
INL+
OUTRA
OUTRB
OUTLA
OUTLB
VDD
PVDD
GND
PGND
2.4V to 5.5V
H-BRIDGE
GAIN/
MODULATOR
H-BRIDGE
GAIN/
MODULATOR
OSCILLATOR
CS1
CS2
Ci
AUDIO
INPUT
AUDIO
INPUT
SNAS344E – DECEMBER 2005 – REVISED APRIL 2013
TYPICAL APPLICATION
Ci = 1 μF
CS1 = 1 μF
CS2 = 0.1 μF
Figure 1. Typical Audio Amplifier Application Circuit
EXTERNAL COMPONENTS DESCRIPTION
Components
Functional Description
1.
CS
Supply bypass capacitor which provides power supply filtering. Refer to the AUDIO AMPLIFIER INPUT CAPACITOR
SELECTION section for information concerning proper placement and selection of the supply bypass capacitor.
2.
Ci
Input AC coupling capacitor which blocks the DC voltage at the amplifier's input terminals.
2
Copyright 2005–2013, Texas Instruments Incorporated
Product Folder Links: LM4674
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