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参数资料
| 型号： | LV1115 |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封装： | DIP-24 |
| 文件页数： | 4/15页 |
| 文件大小： | 317K |
| 代理商： | LV1115 |
LV1115/1115M
No.8263-12/15
Bass Band Circuit: The equivalent circuit and the formula for calculating the external RC with a mean frequency of
100Hz are shown below.
Calculation example 1: specification
Mean frequency: f0 = 100Hz
Gain during maximum boost: G+20dB = 20dB
Let us use R1 = 0k
Ω and R2 = 66.7kΩ, and C1 = C2 = C.
We obtain R2 from G = 20dB
R2
G = 20 × Log10 1+
2R3
R3 =
=
≈3.6kΩ
We obtain C from mean frequency f0 = 100Hz
f0 =
C =
=
≈0.1μF
We obtain Q
Q =
×
≈2.15
Note item when using
(1) When turning on the power, the setting inside is unsettled. Before setting control data, it does a mute.
(2) To prevent the digital noise of the high frequency influence a terminal (SCL, SDA).
It can be protected by a signal line in the ground pattern or by the shielding cable.
(3) To prevent the noise in changing a mode, please set the mute ON.
Sample Application Circuit
R2
2 (10G+20dB/20 - 1)
66700
2 (10 - 1)
1
2π
(R3R2C1C2)
1
2πf0
R3R2
1
2π × 100
66700 × 3600
1
R3R2
2R3
+
-
R3
R1
C2
C1
R2
1
F
1
F
4.7
F
0.06
8
F
0.
1
F
27
00
pF
0.1
F
0.1
F
3.
6k
4.7
F
1
F
1
F
4.7
F
56
00p
F
0.01
F
27
00p
F
0.1
F
0.
1
F
3.
6k
4.
7
F
1
F
47
F
47
F
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相关代理商/技术参数 |
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| LV1115-E | 制造商:ON Semiconductor 功能描述:AUDIO ICS - Ammo Pack |
| LV1115M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Surround Processor ICs for Electronic Volume Control |
| LV1116N | 制造商:SANYO Semiconductor Co Ltd 功能描述:Surround Proce or Sanyo IC 36-Pin DIP-S |
| LV1116N_08 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Surround Processor ICs for Electronic Volume Control |
| LV1116N-E | 功能描述:多媒体杂项 RoHS:否 制造商:Texas Instruments 类型: 通道数量: 转换速率:540 Mbps 分辨率: 封装 / 箱体:SOIC-16 封装:Tube |
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