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參數(shù)資料
| 型號： | LA42210 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP15 |
| 封裝： | HZIP-15 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 131K |
| 代理商： | LA42210 |
LA42210
External Components
C1, C2
: Input coupling capacitors. A value of 0.47
μF is recommended.
The input pin potential is 1.5V.
C3
: Capacitor which sets the starting time of the ripple filter and amplifier. A value of 100
μF is recommended.
C4, R1
: Capacitor and resistor for muting function. C4 is necessary even when the mute function is not used.
C5
: This capacitor increases the oscillator margin. We recommend a value of 0.1
μF.
C6
: Power supply capacitor.
1. Muting function (pin 7)
The muting function is turned on when the pin 7 voltage is 1.5V (minimum) or higher.
The VM applied voltage is set so that the pin 7 voltage will be 1.5V or higher.
The muting time constant is determined by an RC circuit, and the component values must be determined by a careful
analysis, since they are related to impulse noise that occurs when the muting function is turned on or off. Also note that
since C4 affects the occurrence of impulse noise when the amplifier is turned on or off, it will be required if the muting
function is not used.
Mute
No.A0660-4/7
2. Standby function (pin 6)
The amplifier is turned on by applying a level of 2.5V (minimum) or higher to pin 6.
Pin 6 control voltage
Pin 6 voltage
Amplifier
Standby
0 to 0.5
Off
On
2.5 to VCC
On
Off
The limit resistor RSTB may be inserted if the VSTB applied voltage is comparatively high and there is a need to
suppress the pin 6 sink current.
Standby
+
7
VCC
C4
10
μF
/6.3V
R1
15k
Ω
7.5k
Ω
2k
Ω
1k
Ω
VM
20k
Ω
6
RSTB
1.5k
Ω
15k
Ω
VCC
2VBE
VS
30k
Ω
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相關(guān)代理商/技術(shù)參數(shù) |
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| LA4225 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC Audio Output for TV application 5W Monaural Power Amplifier |
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| LA4227L-E | 制造商:Sony Semiconductor Solutions Division 功能描述: |
| LA4230 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:6W - 8W TYP AMP |
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