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參數資料
| 型號： | LA47202P |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| 封裝： | HZIP-25 |
| 文件頁數： | 5/8頁 |
| 文件大小： | 101K |
| 代理商： | LA47202P |
LA47202P
No.A0508-5/8
8. Oscillation stability
Pay due attention on the following points because parasitic oscillation may occur due to effects of the capacity load,
board layout, etc.
(1) Capacity load
When the capacitor is to be inserted between each output pin and GND so as to prevent electric mirror noise, select
the capacitance of maximum 1200pF. (Conditions : Our recommended board, RL = 4)
(2) Board layout
Provide the VCC capacitor of 0.1F in the position nearest to IC.
PREGND must be independently wired and connected to the GND point that is as stable as possible, such as the
minus pin of the 2200
F VCC capacitor.
In case of occurrence of parasitic oscillation, any one of following parts may be added as a countermeasure.
Note that the optimum capacitance must be checked for each set in the mounted state.
Series connection of CR (0.1F and 2.2) between BTL outputs
Series connection of CR (0.1F and 2.2) between each output pin and GND.
Package Dimensions
unit : mm (typ)
3236A
Pd max -- Ta
-40
-20
0
20
40
60
80
100
120
140
160
0
10
20
30
40
50
60
70
Ambient temperature, Ta --
°C
Maximum
power
dissipation,
Pd
max
-
-W
Infinite heat sink
θj-c=1°C/W
No heat sink
θj-a=39°C/W
heat sink(
θf=3.5°C/W)
θj-c+θf=4.5°C/W
SANYO : HZIP25
2.0
29.2
25.6
(22.8)
(2.6)
(5.
0)
(12.
3)
(1.0)
0.52
(R1.7)
0.4
18.
6m
ax
(14.
4)
4.5
(11.
0)
3.
5
21.
7
14.
5
4.2
4.0
(8.5)
( 2.5)
125
2.0
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| LA4725 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| LA4725 | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM14 |
| LA4741 | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM23 |
| LA4742 | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA4743A | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LA47202P-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 |
| LA47202P-N-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 |
| LA4725 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-Channel BTL Power Amplifier 30 W+30 W with Standby Switch for Car Stereos |
| LA4725_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:2-channel 30W BTL Audio Power Amplifier |
| LA4725-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 |
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