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AD9256H

Elite Semiconductor
Part Number AD9256H
Manufacturer Elite Semiconductor
Description DIGITAL AMPLIFIER POWER STAGE
Published Jul 21, 2014
Detailed Description ESMT/EMP DIGITAL AMPLIFIER POWER STAGE Features n PVDD range from 10.8V to 16.5V n Support single-ended input audio PWM ...
Datasheet PDF File AD9256H PDF File

AD9256H
AD9256H

Overview
ESMT/EMP DIGITAL AMPLIFIER POWER STAGE Features n PVDD range from 10.
8V to 16.
5V 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.
4% into 8Ω at 15V - 8W x 2CH @ THD+N=8.
4% into 8Ω at 12V n Loudspeaker output power for mono (BTL) - 20W x 1CH @ THD+N=0.
45% 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 24-pin E-TSSOP thermally-enhanced package AD9256H Applications n TV audio n DVD Receiver n Home Theaters Description The AD9256H 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 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 AD9256H’s chip is integrated with over-temperature, over-current, and under-voltage protection circuits.
These additions safeguard the AD9256H against fault conditions that could damage the chip and system catastrophically.
Functional Block Diagram Elite Semiconductor Memory Technology Inc.
/Elite MicroPower Inc.
Publication Date: Jan.
2011 Revision: 1.
1 1/21 ESMT/EMP Pin Assignments AD9256H Pin Description PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 VDD GND OTW ERROR INA INB INC IND SDN SEL0 SEL1 APOP_CAP PVDDD OUTD PGNDC/D PGNDC/D OUTC PVDDC PVDDB OUTB PGNDA/B PGNDA/B OUTA PVDDA NAME TYP P P O O I I I I I I I O P O P P O P P O P P O P Power supply for digital circuit Ground for digital circuit Over temperature warning.
Error pointer PWM input A PWM input B PWM input C PWM input D Shutdown (active-low) with soft pulled resistor 100kohm to ground Mode select pin 0 Mode select pin 1 Anti-pop capacitor Power suppl...


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