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BH3856FS

更新时间： 2024-02-25 01:40:37
品牌 Logo 应用领域
罗姆 - ROHM /
页数 文件大小 规格书
16页 168K
描述
2-wire serial sound control IC

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中文翻译

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BH3856FS 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SSOP
包装说明：SSOP, SOP32,.3,32针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.16
信道分离：80 dB商用集成电路类型：TONE CONTROL CIRCUIT
谐波失真：0.01%JESD-30 代码：R-PDSO-G32
JESD-609代码：e3/e2长度：13.6 mm
频带数量：2信道数量：2
功能数量：1端子数量：32
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SOP32,.3,32封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：9 V认证状态：Not Qualified
座面最大高度：1.9 mm子类别：Audio Control ICs
最大压摆率：27 mA最大供电电压 (Vsup)：9.5 V
最小供电电压 (Vsup)：6 V表面贴装：YES
技术：BIPOLAR温度等级：INDUSTRIAL
端子面层：TIN/TIN COPPER端子形式：GULL WING
端子节距：0.8 mm端子位置：DUAL
处于峰值回流温度下的最长时间：10宽度：5.4 mm
Base Number Matches：1

BH3856FS 数据手册

 浏览型号BH3856FS的Datasheet PDF文件第10页浏览型号BH3856FS的Datasheet PDF文件第11页浏览型号BH3856FS的Datasheet PDF文件第12页浏览型号BH3856FS的Datasheet PDF文件第13页浏览型号BH3856FS的Datasheet PDF文件第15页浏览型号BH3856FS的Datasheet PDF文件第16页 
BH3856S / BH3856FS  
Audio ICs  
(3) About the treble filter  
C3  
TVO  
TVN  
−3dB  
2200pF  
C4  
R2  
25kΩ  
TIN  
−
2200pF  
R1  
2.1kΩ  
IC internal BIAS  
IC internal BIAS  
1
1
Frequency f: (Hz)  
(
Vcc  
)
( Vcc)  
2
2
f
0
∆f  
∗
The band-pass filter is constructed using a multiple-feedback active filter.  
can be varied by changing the value of the capacitors.  
f
0
(Theoretical formulas)  
1
2
1
2
−1  
1
2π  
1
R
1
f
0
=
×
Q
× (C  
3
+ C4)  
R1R  
2C  
3C4  
R2C3C4  
Note : The filter gain is given by the formula on the left, but the total output gain  
is determined by the this in combination with the internal circuit.  
−1  
R
5kΩ  
2
C
C
3
4
G =  
× 1 +  
(When R  
1
= 2.1kΩ, R  
2
= 25kΩ, C  
3
= C4  
= C)  
2.2 × 10−5  
f0 =  
G = 2.5  
Q
1.73  
C
(4) I2C BUS control  
High-frequency digital signals are input on the SCL and SDA terminals, so ensure that the wiring and PCB pattern is  
designed in such a way as to ensure that these signals do not interfere with the analog signal system.  
If you are not using I2C BUS control (i.e. you are using DC control), connect the SCL, SDA and SASS terminals to GND  
(do not leave them disconnected).  
(5) Step switching noise  
The VC1, VC2, TC, BC and SC terminals have components connected to them the application example. The values of  
these components may need to be changed depending on the signal level setting and PCB pattern.  
Investigate carefully before deciding on the values of the various circuit constants.  
The equivalent circuit for these terminals is given below (an integrator circuit is set at the first stage to slow the variation).  
Each Pin  
R
R value (kΩ)  
+
−
30  
VC1, VC2, BC, TC  
SC  
C
200  
(6) Volume and tone level settings  
This specification sheet gives reference values for the amount of attenuation and gain with respect to the serial control  
data. The internal D / A convertor is an R-2R circuit, and data exists for the places where continuous variation does not  
occur between data. Use this when fine setting is required. The setting limits are up to 8 bits for volume (256 steps) and 6  
bits (64 steps) for tone.  
1...111213141516

中文翻译

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