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AD8256A-LEG Scheda tecnica(PDF) 1 Page - Elite Semiconductor Memory Technology Inc.

Il numero della parte AD8256A-LEG
Spiegazioni elettronici  2x16W Stereo Digital Audio Amplifier with Headphone Driver
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Produttore elettronici  ESMT [Elite Semiconductor Memory Technology Inc.]
Homepage  http://www.esmt.com.tw/index.asp
Logo ESMT - Elite Semiconductor Memory Technology Inc.

AD8256A-LEG Scheda tecnica(HTML) 1 Page - Elite Semiconductor Memory Technology Inc.

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ESMT
AD8256A
Elite Semiconductor Memory Technology Inc.
Publication Date: May. 2007
Revision: 1.3
1/33
2x16W Stereo Digital Audio Amplifier with Headphone Driver
Features
16/18/20/24-bit input with I
2S, Left-alignment
and Right-alignment data format
PSNR & DR(A-weighting)
Loudspeaker: 93dB (PSNR), 98dB (DR)
Headphone: 86dB (PSNR), 96dB (DR)
Multiple sampling frequencies (Fs)
32kHz / 44.1kHz / 48kHz and
64kHz / 88.2kHz / 96kHz
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
Supply voltage
3.0~12V for loudspeaker driver
3.0~3.3V for others
Loudspeaker output power
2×10W(Full,8Ω) @ 1kHz and 10% THD+N
2×12.5W(Full,6Ω) @ 1kHz and 10% THD+N
2×16W(Full,4Ω) @ 1kHz and 10% THD+N
Headphone power
34mW into 32Ω@1kHz and 1% THD+N
65mW into 16Ω@1kHz and 1% THD+N
110mW into 8Ω@1kHz and 1% THD+N
200mW into 4Ω@1kHz and 1% THD+N
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
Anti-pop design
Over-temperature protection
Under-voltage shutdown
Short-circuit protection
I
2C control interface
Applications
CD and DVD
TV audio
Car audio
Boom-box
MP3 docking systems
Portable / Handheld
Powered speaker
Wireless audio
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 I
2C digital
control interface, AD8256A provides sound
processing functions including Volume, Bass, Treble,
EQ, Mixing and Dynamic Range Control (DRC).
ORDERING INFORMATION
Product Number
Package
Comments
AD8256A-KG
7x7 48L QFN
Pb-free
AD8256A-LEG
7x7 48L E-LQFP
Pb-free


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