參數(shù)資料
型號(hào)： LC75343M
廠商： SANYO SEMICONDUCTOR CO LTD
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(yè)數(shù)： 19/28頁(yè)
文件大?。?/td> 413K
代理商： LC75343M
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
obtain:
No. 6867-26/28
LC75343M
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.
相關(guān)PDF資料
PDF描述
LC75343M 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO36
LC75344M 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO10
LC75345M 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO36
LC75345M 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO36
LC75347E 6 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
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