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參數(shù)資料
| 型號(hào)： | LA4902 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, DIP28 |
| 封裝： | 0.500 INCH, DIP-28 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 79K |
| 代理商： | LA4902 |
N1506 MS PC B8-4813 No.A0321-1/5
Any and all SANYO Semiconductor 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 Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor 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 Semiconductor
products described or contained herein.
LA4902
Overview
The LA4902 is a high-efficiency monaural BTL power amplifier.
The LA4902 holds the number of external components to a minimum and reduces power consumption (thermal loss) in the
operating range to one half that of earlier class B power amplifiers by using a signal following switching system for the
power supply to the amplifier output stage and by including a nonlinear amplifier in the signal system.
The use of a DIP-28H package obviates the need for a separate heat sink and can contribute to internal space savings in end
products.
Functions
High-efficiency 10W monaural BTL power amplifier (VCC = 14V, RL = 8Ω)
Provided in a DIP-28H package (no heat sink is required)
The number of required signal-following switching circuits has been held to a single circuit, thus reducing even further
the number of external components required.
The output is a fully analog signal, and no switching noise appears on the output lines.
Built-in standby switch (amplifier block/headphone block)
Built-in headphone amplifier : 1 input/2 output (VG = 6dB, PO = 60mW)
Built-in protection circuits (overvoltage and thermal protection circuits)
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
No signal
24
V
Allowable power dissipation
Pd max
With a infinity large heat sink
5
W
Thermal resistance
θj-c
3
°C/W
Maximum junction temperature
Tj max
150
°C
Operating temperature
Topr
-25 to +75
°C
Storage temperature
Tstg
-40 to +150
°C
Monolithic Linear IC
Audio Output for TV application
10W BTL Monaural Power Amplifier IC
Ordering number : ENA0321
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