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參數資料
| 型號： | LA4742 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | HZIP-25 |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 106K |
| 代理商： | LA4742 |
Ordering number : ENN7043
92101TN (OT) No. 7043-1/9
Overview
The LA4742 is a 45 W 4-channel power amplifier IC for
car stereo systems. It features a built-in bridge circuit and
the ability to radically reduce the number of external
components required.
Features
Maximum output power: 45 W
× 4 channels
(VCC = 14.4 V, 4 load, 1 kHz)
40 W
× 4 channels (V
CC = 13.7 V, 4 load, 1 kHz)
Requires only seven external components and does not
require an oscillation prevention RC circuit, a noise
filter, or a BS capacitor.
Functions
Output offset detection function (DDL)
Warning tone (beep) generation function
Muting function
Built-in standby switch
Full complement of built-in protection circuits,
including protection from shorting to VCC, shorting to
ground, load shorting, overvoltages, and overheating.
Maximum supply voltage before damage in the open
ground state: 16 V
Package Dimensions
unit: mm
3236-HZIP25
2.0
29.2
2.60
(1.0)
25.6
0.53
R1.7
0.4
17.4
14.4
4.5
10.2
3.3
4.0
SANYO: HZIP25
[LA4742]
LA4742
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
45 W Four-Channel (Bridge Circuit) Power Amplifier
Monolithic Linear IC
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max1
Signal present
18
V
VCC max2
No signal (for 1 minute)
26
V
Maximum output current
IOpeak
4.5/ch
A
Allowable power dissipation
Pd max
With an arbitrarily large heat sink
50
W
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–40 to +150
°C
Package thermal resistance
θjc
1
°C/W
Specifications
Maximum Ratings at Ta = 25°C
相關PDF資料 |
PDF描述 |
|---|---|
| LA4743A | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA4743B | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47501 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47503 | 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| LA47510 | 48 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LA4742-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 |
| LA4742L-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 |
| LA4743 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:45 W Four-Channel (Bridge Circuit) Power Amplifier |
| LA4743A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:45 W Four-Channel (Bridge Circuit) Power Amplifier |
| LA4743B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:45 W Four-Channel (Bridge Circuit) Power Amplifier |
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