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AD8256A Schematic ( PDF Datasheet ) - Elite Semiconductor Memory Technology

Teilenummer AD8256A
Beschreibung 2x16W Stereo Digital Audio Amplifier
Hersteller Elite Semiconductor Memory Technology
Logo Elite Semiconductor Memory Technology Logo 




Gesamt 4 Seiten
AD8256A Datasheet, Funktion
ESMT
AD8256A
2x16W Stereo Digital Audio Amplifier with Headphone Driver
Features
z 16/18/20/24-bit input with I2S, Left-alignment
and Right-alignment data format
z PSNR & DR(A-weighting)
Loudspeaker: 93dB (PSNR), 98dB (DR)
Headphone: 86dB (PSNR), 96dB (DR)
z Multiple sampling frequencies (Fs)
www.DataSheet4U.com
32kHz / 44.1kHz / 48kHz and
64kHz / 88.2kHz / 96kHz
z System clock = 64x,128x,192x,256x,384x,
512x, 576x, 768x, 1024x Fs
64x~1024x Fs for 32kHz / 44.1kHz / 48kHz
64x~512x Fs for 64kHz / 88.2kHz / 96kHz
z Supply voltage
3.0~12V for loudspeaker driver
3.0~3.3V for others
z Loudspeaker output power
2×10W(Full,8) @ 1kHz and 10% THD+N
2×12.5W(Full,6) @ 1kHz and 10% THD+N
2×16W(Full,4) @ 1kHz and 10% THD+N
z Headphone power
34mW into 32@1kHz and 1% THD+N
65mW into 16@1kHz and 1% THD+N
110mW into 8@1kHz and 1% THD+N
200mW into 4@1kHz and 1% THD+N
z Sound processing including
Bass (+18dB~-12dB, 3dB frequency is 250Hz),
Treble (+18dB~-12dB, 3dB frequency is 7kHz),
5 bands parametric EQ,
Volume control (+24dB~-103dB, 1dB/step) and
Dynamic range control
z Anti-pop design
z Over-temperature protection
z Under-voltage shutdown
z Short-circuit protection
z I2C control interface
Applications
z CD and DVD
z TV audio
z Car audio
z Boom-box
z MP3 docking systems
z Portable / Handheld
z Powered speaker
z Wireless audio
z USB speaker
Description
This is a stereo fully digital audio amplifier with
output power which can deliver up to 2×16W to 4Ω
load with 12V supply voltage. Using I2C digital
control interface, AD8256A provides sound
processing functions including Volume, Bass, Treble,
EQ, Mixing and Dynamic Range Control (DRC).
ORDERING INFORMATION
Product Number
AD8256A-KG
AD8256A-LEG
Package
7x7 48L QFN
7x7 48L E-LQFP
Comments
Pb-free
Pb-free
Elite Semiconductor Memory Technology Inc.
Publication Date: May. 2007
Revision: 1.3 1/33





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