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參數(shù)資料
| 型號(hào)： | LC75345M |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO36 |
| 封裝： | 0.375 INCH, MFP-36 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大小： | 272K |
| 代理商： | LC75345M |
Treble Band Circuit
The shelving characteristics can be obtained for the treble band.
The equivalent circuit and calculation formula during boost are indicated below.
Calculation example
Specification Set frequency: f = 26000 Hz
Gain during maximum boost: G+10 dB = 10 dB
Using R1 = 16.240 k
and R2 = 35.461 k, and inserting the above values in the following formula, we
No. 6868-20/22
LC75345M
C
R1
R2
C
=
R2
)2 – R12
1
2
πf
10G/20 – 1
(
=
1
2
π26000
35461
3.16–1
≠ 2700(pF)
()2 – 162402
R2
R12
+ (1 / ωC)2
G
= 20 × LOG
10
1
+
Usage Cautions
Upon power application, the internal analog switch status is undefined. Use an external countermeasure such as
muting until data is set.
When performing initial setting after applying power, send the initial setting data for the left and right channels prior
to canceling mute.
To ensure that the high-frequency digital signals sent to the CL, DI, and CE pins do not spill over to the analog signal
block, either guard these signal lines with a ground pattern, or perform transmission using shielded wires.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC75345M-TLM-E | 功能描述:多媒體雜項(xiàng) RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| LC75347E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Six-Channel Single-Chip Electronic Volume Control System |
| LC75347E-E | 制造商:ON Semiconductor 功能描述:ELECTRONIC VOLUME - Trays |
| LC75347EH-UC-E | 功能描述:多媒體雜項(xiàng) RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| LC75348 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Electronic Volume and Tone Control System |
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