參數(shù)資料
型號: LAG668F
廠商: MITSUMI ELECTRIC CO LTD
元件分類: 音頻/視頻放大
英文描述: IC for Headphone Stereos (bass boost)
中文描述: 0.028 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28
封裝: SOP-28
文件頁數(shù): 4/5頁
文件大?。?/td> 134K
代理商: LAG668F
MITSUMI
IC for Headphone Stereos (bass boost) LAG668
G
V
G
VH
G
VL
B
B Off
15
10
1
B
B ON
40
35
30
25
10
2
10
3
10
4
10
5
10
6
Frequency (Hz)
f1
f2
3dB
3dB
G
V
: Power amp gain
G
VH
=G
V
+20Log RR3
f1, f2: Cutoff frequencies
G
VH
: Bass boost power amp gain
(high level)
G
VL
: Bass boost power amp gain
(low level, or boost off)
G
VL
=G
V
+20Log R2//R3
R1
f1= 2
π
((R
1
//R
3
) +R
2
)C
1
f2= 2
π
R
2
C
P
(
Bass Boost Power Amp Gain
Application Circuits
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