VDD
參數(shù)資料
型號(hào): LM4674TLX/NOPB
廠商: National Semiconductor
文件頁數(shù): 27/27頁
文件大小: 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(shí)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
0
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OUTPUT POWER (mW)
EF
F
IC
IEN
C
Y
(%
)
0
10
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VDD= 2.5V
VDD = 3.6V
VDD = 5V
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1200
OUTPUT POWER (mW)
EF
F
IC
IEN
C
Y
(%
)
VDD= 2.5V
VDD = 3.6V
VDD = 5V
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FREQUENCY (Hz)
T
H
D
+N
(%
)
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0.01
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FREQUENCY (Hz)
T
H
D
+N
(%
)
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FREQUENCY (Hz)
T
H
D
+N
(%
)
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FREQUENCY (Hz)
T
H
D
+N
(%
)
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1
0.1
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SNAS344E – DECEMBER 2005 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
THD+N vs Frequency
VDD = 5V, POUT = 375mW/ch, RL = 8
VDD = 2.5V, POUT = 100mW/ch, RL = 4
Figure 12.
Figure 13.
THD+N vs Frequency
VDD = 3.6V, POUT = 250mW/ch, RL = 4
VDD = 5V, POUT = 375mW/ch, RL = 4
Figure 14.
Figure 15.
Efficiency vs Output Power/channel
RL = 4, f = 1kHz
RL = 8, f = 1kHz
Figure 16.
Figure 17.
Copyright 2005–2013, Texas Instruments Incorporated
9
Product Folder Links: LM4674
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