型號: AD8256A-LEG
廠商: ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC
元件分類: 音頻控制
英文描述: 2x16W Stereo Digital Audio Amplifier with Headphone Driver
中文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP48
封裝: 7 X 7 MM, LEAD FREE, LQFP-48
文件頁數: 1/4頁
文件大?。?/td> 321K
代理商: AD8256A-LEG
ES MT
AD8256A
Elite Semiconductor Memory Technology Inc.
Publication Date: May. 2007
Revision: 1.3 1/33
2x16W Stereo Digital Audio Amplifier with Headphone Driver
Features
z
16/18/20/24-bit input with I
2
S, 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)
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
ORDERING INFORMATION
Dynamic range control
z
Anti-pop design
z
Over-temperature protection
z
Under-voltage shutdown
z
Short-circuit protection
z
I
2
C 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 4
Ω
load with 12V supply voltage. Using I
2
C digital
control interface, AD8256A provides sound
processing functions including Volume, Bass, Treble,
EQ, Mixing and Dynamic Range Control (DRC).
Product Number
Package
Comments
AD8256A-KG
7x7 48L QFN
Pb-free
AD8256A-LEG
7x7 48L E-LQFP
Pb-free
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PDF描述
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