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參數資料
| 型號： | LC75341 |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數： | 10/20頁 |
| 文件大小： | 295K |
| 代理商： | LC75341 |
No. 6270-18/20
LC75341, 75341M
Sample calculation
Specifications - Set frequency: f = 26,000 Hz
Gain at maximum boost: G+10dB = 10 dB
Let R1 = 16.240 k
, R2 = 35.461 K,
Substitute the above constants into the following formulas.
R2
G = 20
× LOG
10
1 + ———————
R12 + (1 /
ωC)2
1
C = ———————————
R2
2
πf ————— – R12
10G/20 –1
1
= ——————————————
≠ 2700 (pF)
35461
2
π26000 ———— 2 – 162402
3.16 – 1
Usage Notes
When power is first applied, the states of the internal analog switches will be undefined. Applications must provide
external muting until the control data has been transferred and the switches set to appropriate states.
Applications should transfer both the left and right channel initial settings data before releasing the muting function
when initializing this IC after first applying power.
Applications should cover the CL, DI, and CE pin lines with the ground pattern, or should use shielded cables for these
lines to prevent the high-frequency digital signals transmitted over these lines from entering analog signal system.
When the oscillation occurs, connect a resistor of at least 200
to LOUT and ROUT pins.
()
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LC75341M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Volume and Tone Control System |
| LC75342 | 制造商:Panasonic Industrial Company 功能描述:IC |
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| LC75342M-TLM-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
| LC75343 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Electronic Volume Control System on-Chip |
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