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參數(shù)資料
| 型號： | LA4425A-E |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AUDIO POWER AMP 5W TO-126ML |
| 標(biāo)準(zhǔn)包裝： | 200 |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 6W x 1 @ 4 歐姆 |
| 電源電壓： | 5 V ~ 16 V |
| 特點： | 消除爆音，過壓保護(hù)，短路保護(hù)，熱保護(hù) |
| 安裝類型： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 封裝/外殼： | * |
| 包裝： | * |
LA4425A
No.A0195-3/9
Ci 2.2
μF
1000
μF
+
Co 1000
μF
1
2
3
4
5
VCC 13.2V
speaker
4
Ω
LA4425A
Sample Application Circuit
On-chip overvoltage protection
On-chip thermal protection
On-chip pop noise reducing circuit
On-chip output D.C. short protection
Pin Voltage at VCC = 13.2V
Characteristics
Input
Small signal
GND
Large signal
GND
Output
VCC
Pin No.
1
2
3
4
5
Pin voltage
(reference value)
(
≈ 2VBE)
1.4V
0V
(
≈ 1/2VCC)
6.5V
(VCC)
13.2V
IC Usage Notes
Maximum ratings
If the IC is used in the vicinity of the maximum ratings, even a slight variation in conditions may cause the maximum
ratings to be exceeded, thereby leading to a breakdown.
Printed circuit board
When drawing the printed circuit pattern, refer to the sample printed circuit pattern. Be careful not to form a feedback
loop between input and output.
Comparison of External Components
External Parts
Our ICs now in use
LA4425A
Output coupling capacitor
Input coupling capacitor
Bootstrap capacitor
-
Feedback capacitor
-
Filter capacitor
-
Phase compensation capacitor
-
Oscillation correction polyester
film capacitor
-
Oscillation correction resistor
-
Total
8 pcs.
2 pcs.
Note: The power supply capacitor is not counted as a power IC part.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4425A-MTK-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4425AN-D-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4425F-E | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LA4425PV | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Car Radio and Car Stereo 5W Power Amplifier with Very Few External Parts |
| LA4425PV-MPB-H | 功能描述:功率放大器 AUDIO POWER AMP RoHS:否 制造商:TriQuint Semiconductor 封裝 / 箱體: 工作電源電壓:28 V 電源電流:2.5 A 工作溫度范圍: 封裝: |
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