AD92580-DIGITAL AMPLIFIER POWER STAGE DataSheet  

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.