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參數(shù)資料
| 型號(hào)： | BH3852 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Sound control IC |
| 中文描述： | 聲音控制IC |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | BH3852 |
1
2
π
R
2
5k
1
R
1
R
2
C
1
C
2
C
1
C
2
1
2
R
1
R
2
C
1
C
2
1
2
1
Note: Filter gain is calculated using the equation on the left. Total output gain is the
sum of the gain for each of the internal circuits.
1
5.1
10
C
6
618
Audio ICs
BH3852S / BH3852FS
Operation notes
(1)
Operating power supply voltage range
As long as the operating power supply voltage range and
ambient temperature are kept within the specified range,
the basic circuits are guaranteed to function, but be sure
to check the constants as well as the element settings,
voltage settings, and temperature settings. Also, volume
curves sometimes depart from target values when there
is a combination of low temperature and reduced power.
(2)
Primary amp
The input impedance is 47k
.
A buffer if R and C
1
are not present.
The gain can be set by R and the 20k
.
G
VC
= (R + 20k
) / R
Note: Set C
2
(input coupling) and C
1
(used to set the
gain) depending on the frequency band used.
(3)
Bass filter
The BPF is composed of a multifeedback active filter.
f
o
can be varied according to the value of C.
(theoretical equation)
f
O
=
Q
(C
1
C
2
)
G =
1
(When R
1
= 11.5k
, R
2
= 85k
, C
1
= C
2
= C)
f
O
=
Q = 1.36
G = 8.5
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| BH3852FS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Sound control IC |
| BH3852FS-E2 | 制造商:ROHM Semiconductor 功能描述:AUDIO STEREO SOUND CONTR. IC - Tape and Reel 制造商:ROHM Semiconductor 功能描述:IC SIGNAL PROCESSOR 24-SSOP 制造商:ROHM Semiconductor 功能描述:IC SOUND CONTROLLER AUDIO STEREO |
| BH3852S | 制造商:ROHM 制造商全稱:Rohm 功能描述:Sound control IC |
| BH3854 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| BH3854AFS | 制造商:ROHM 制造商全稱:Rohm 功能描述:Serial sound control IC |
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