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PDF AD9258 Data sheet ( Hoja de datos )
| Número de pieza | AD9258 | |
| Descripción | 24V Digital Amplifier Power Stage | |
| Fabricantes | Elite Semiconductor | |
| Logotipo |  |
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ESMT/EMP
Preliminary
24V Digital Amplifier Power Stage
AD9258
Features
z 2 x 15W at 1% THD+N into 8Ω BTL at 18V
z PVDD range from 12V to 24V
z Support single-ended or differential input
z Over-temperature protection
z Over-current protection
z Under-voltage detection
z Error report and thermal warning
z Built-in anti-pop function for AD modulation
z 48-pin 7x7mm E-LQFP thermally-enhanced
package
Applications
z TV audio
z DVD Receiver
z Home Theaters
Description
The AD9258 is a high efficiency stereo digital
amplifier power stage delivering 85% efficiency.
Devices need two power supplies for the AD9258
operation up to 24V supply for PVDD and 3.3V for
VDD. The AD9258 can deliver 10W/CH output
power into 8 Ω loudspeaker without external
heat-sink or fan requirement at supply 24V.
A built-in anti-pop function can reduce the
speaker’s pop without requiring complex anti-pop
sequence in PWM input, when AD9258 is applied in
AD modulation.
The AD9258 has included protection circuits that
integrated on chip. Protections ensure the AD9258
against the fault conditions that could damage the
AD9258. These safeguards of the AD9258 include
over-temperature, over-current, and under-voltage
protection circuits.
Functional Block Diagram
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Apr. 2010
Revision: 0.2
1/16
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet AD9258.PDF ] | |
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