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PDF ( 数据手册 , 数据表 ) AD92580

零件编号 AD92580
描述 DIGITAL AMPLIFIER POWER STAGE
制造商 Elite Semiconductor
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AD92580 数据手册, 描述, 功能
ESMT/EMP
DIGITAL AMPLIFIER POWER STAGE
AD92580
Features
n PVDD range from 10.8V to 26.4V
n Support single-ended input audio PWM (AD)
modulated signal
n Support differential input audio PWM (AD & BD)
modulated signal
n Loudspeaker output power for stereo (BTL)
- 10W x 2CH @ THD+N=0.15% into 8Ω at 24V
- 10W x 2CH @ THD+N=0.23% into 8Ω at 18V
- 10W x 2CH @ THD+N=0.5% into 8Ω at 15V
- 8W x 2CH @ THD+N=5.6% into 8Ω at 12V
n Loudspeaker output power for mono (BTL)
- 20W x 1CH @ THD+N=0.09% into 8Ω at 24V
- 20W x 1CH @ THD+N=0.12% into 8Ω at 18V
- 20W x 1CH @ THD+N=0.3% into 8Ω at 15V
n Over-temperature protection
n Over-current protection
n Under-voltage detection
n Error report
n Built-in anti-pop function
n Support both of 24-pin E-TSSOP and 48-pin
7x7mm E-LQFP thermally-enhanced package
Applications
n TV audio
n DVD Receiver
n Home Theaters
Description
The AD92580 is a high performance stereo digital
amplifier power stage. It can deliver 10W x 2CH output
power into 8Ω loudspeaker for stereo or 20W x 1ch
output power into 4Ω loudspeaker for mono in BTL
configuration within <1% THD+N at 15V ~ 24V supply.
A patented, built-in anti-pop function can reduce the
speaker’s pop noise without requiring complex
anti-pop sequence in PWM input.
The AD92580’s chip is integrated with
over-temperature, over-current, and under-voltage
protection circuits. These additions safeguard the
AD92580 against fault conditions that could damage
the chip and system catastrophically.
Functional Block Diagram
Elite Semiconductor Memory Technology Inc./Elite MicroPower Inc. Publication Date: Apr. 2011
Revision: 1.2
1/25












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