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參數(shù)資料
| 型號： | LC75412WS |
| 元件分類： | 音頻控制 |
| 英文描述： | VOLUME CONTROL CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數(shù)： | 4/19頁 |
| 文件大小： | 179K |
| 代理商： | LC75412WS |
LC75412WS
No.A1354-12/19
Continued from preceding page.
Pin
Pin No.
Function
Equivalent circuit
TIM
20
Timer pin when there is no signal in the zero-cross
circuit.
Forcibly set data when there is no zero-cross signal,
from the time the data is set until the timer ends.
CL
DI
26
25
Input pin for serial data and clock used for control.
CE
24
Chip enable pin. Data is written to the internal latch and
the analog switches are operated when the level
changes from High to Low.
Data transfer is enabled when the level is High.
Internal Equivalent Circuit Block Diagram
Selector Block Equivalent Circuit Block Diagram
VDD
Total resistance: 50k
Ω
Same for right channel
1.25dB
2.50dB
3.75dB
5.00dB
6.25dB
7.50dB
8.75dB
L5P
L5M
LSELO
0dB
R3=22.65k
Ω
R4=25k
Ω
R2=25k
Ω
R1=22.65k
Ω
50k
Ω
50k
Ω
50k
Ω
50k
Ω
LVref
6.702k
Ω
5.804k
Ω
5.026k
Ω
4.352k
Ω
3.769k
Ω
3.264k
Ω
2.826k
Ω
2.447k
Ω
2.119k
Ω
1.835k
Ω
1.589k
Ω
1.376k
Ω
1.192k
Ω
1.032k
Ω
0.894k
Ω
5.774k
Ω
LVref
10.00dB
11.25dB
12.50dB
13.75dB
15.00dB
16.25dB
17.50dB
18.75dB
L3
L2
LVref
INMUTE SW
LVref
L1
L6
50k
Ω
LVref
L4
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LC75412WS-UF-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LC75421 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Electronic Volume Controller for Cars |
| LC75421M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Electronic Volume Controller for Cars |
| LC75421M-MPB-E | 制造商:ON Semiconductor 功能描述:ELECTRONIC VOLUME - Ammo Pack |
| LC75421M-TLM-E | 制造商:ON Semiconductor 功能描述:ELECTRONIC VOLUME - Tape and Reel |
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