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PDF SA7269 Data sheet ( Hoja de datos )
| Número de pieza | SA7269 | |
| Descripción | 2CH AUDIO POWER AMPLIFIER | |
| Fabricantes | Silan Microelectronics | |
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Hay una vista previa y un enlace de descarga de SA7269 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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SA7269
2-CH AUDIO POWER AMPLIFIER(10W X2)
DESCRIPTION
The SA7269 is a monolithic integrated circuit in HSIP package,
intended for use as dual audio frequency class AB amplifier.
FEATURES
* Wide supply voltage range up to 40V ABS MAX.
* Split supply operation.
* High output power: 10+10W @ THD=10%, RL=8 , Vs=±14V
* Mute/stand-by function.
* Few external components.
* Short circuit protection.
* Thermal overload protection.
HSIP-11
HSIP-15
APPLICATIONS
ORDERING INFORMATION
* Hi-Fi music centers
* Stereo TV sets
Part No.
SA7269
SA7269A
Package
HSIP-11
HSIP-15
BLOCK DIAGRAM
www.DataSheet4U.com
Note: Figures for the SA7269.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2 2006.05.25
Page 1 of 11
1 page  
SA7269
package varies with the mounting method used. A metal-to-metal interface will be about 1°C /W if lubricated, and
about 1.2°C /W if dry.
If a mica insulator is used, the thermal resistance will be about 1.6°C /W lubricated and 3.4°C /W dry. For this
example, we assume a lubricated mica insulator between the SA7269 and the heat sink. The heat sink thermal
resistance must then be less than:
8.7°C/W-2°C/W-1.6°C/W 5.1°C/W
The thermal requirements can become more difficult when an amplifier is driving a reactive load. For a given
magnitude of load impedance, a higher degree of reactance will cause a higher level of power dissipation within
the amplifier. As a general rule, the power dissipation of an amplifier driving a 60º reactive load (usually
considered to be a worst-case loudspeaker load) will be roughly that of the same amplifier driving the resistive
part of that load. For example, a loudspeaker may at some frequency have an impedance with a magnitude of 8Ω
and a phase angle of 60º. The real part of this load will then be 4Ω, and the amplifier power dissipation will
roughly follow the curve of power dissipation with a 4Ω load.
www.DataSheet4U.com
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.2 2006.05.25
Page 5 of 11
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SA7269.PDF ] | |
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