ETC LC70301LG/KLG/W

T OP I C S
推
广
产
品
主
题
低功耗型降噪LSI
削减功耗50%
将消除噪声性能提高为传统产品的2倍!
将行业最高水准※1的降噪精度、噪声成分降低为1/20以下※2!
※1:截止到2008年11月30日、 ※2:因周围环境而不同。
LC70301LG/KLG/W
支持小型移动设
备的高密度封装
降噪处理特点
空调噪声、工地、风啸音等
单芯片降噪LSI
DSP
A/D转换
采用独自的运算法
则、精密地仅消除
噪声成分
D/A转换
可以只抽取声音!
即使语音与背景噪声
混合· · ·
声音
缩小封装面积
面积△64%
体积△83%
LC70301LG
6.0mm×6.0mm×0.8mm
传统产品
10.0mm×10.0mm×1.7mm
※所记载的内容,包括价格
·
规格等全部为新闻发布会时的内容。最新的信息可能内容有所不同,请谅解。
http://semicon.cn.sanyo.com/
三洋半导体公司
20090217-1/2
推广产品主题
低功耗型降噪LSI
消除噪声处理
●降噪处理之前
声音
背景噪声
●降噪之强档
(噪声成分1/20)
●降噪之中档
(噪声成分1/10)
主要规格
★DSP部分
:
· 16bitDSP芯核
· 降噪处理、滤波器处理、各种声音处理(语音增强、转换话速)
· 节电模式(振荡停止 · PLL停止 · 高速运作 ⇔ 低速运作之切换)
★主机CPU接口(4线式):从机(与GPIO0-3兼用)
★串行PCM接口(4线式):主机/从机:2道(与GPIO4-7、GPIO8-11兼用)
I2S、长帧同步、短帧同步:支持Fs=8KHz/16KHz
★GPIO:16端口(GPIO0-12为与主机CPU接口、串行PCM接口兼用)
★A/D转换器(Δ∑方式16bit · 8KHz/16KHz)
★D/A转换器(Δ∑方式16bit · 8KHz/16KHz)
★封装 :FLGA68K(6.0mm x 6.0mm x 0.8mm) LC70301LG
FLGA64(5.0mm x 5.0mm x 0.8mm) LC70301KLG
SQFP64(10.0mm x 10.0mm x 1.7mm) LC70301W
★电源(电压):3电源(1.8V/2.8V :1.7V~3.6V(IO) 、
2.8V :2.7V~3.6V(模拟)、
1.1V±10%(内部逻辑)
http://semicon.cn.sanyo.com/
三洋半导体公司
20090217-2/2
T OP I C S
Promotional Product Topics
Low-Power-Consumption Noise-Cancellation IC
The highest level*1 of denoising performance in the industry.
power consumption has
been reduced by 50%
as compared with
conventional products!
The noise component has been reduced to 1/20 or less.
Note1:as of November 10.2008
LC70301LG/KLG/W
Mountable to
power-saving and
small mobile
devices!
Features of SANYO Noise Cancellation Processing
Air conditioning noise, construction site, wind roar, etc.
Single-chip noise cancellation IC
DSP
A/D
conversion
Voice
Even when the voice and
background noise are
collected together, ...
Only noise
components are
removed
sophisticatedly
by using SANYO’s
original algorithm
D/A
conversion
Only the voice
can be
extracted!
Package miniaturization
Area 64%
Volume
83%
Conventional product
10.0mm x 10.0mm x 1.7mm
www.semiconductor-sanyo.com/network/
LC70301LG
6.0mm x 6.0mm x 0.8mm
20090217-1/2
Promotional Product Topics
Low-Power-Consumption Noise-Cancellation IC
Improvement of Denoising Performance
Before noise cancellation
processing
voice
Scene noise
Medium-level noise cancellation
(noise component 1/10)
Strong-level noise cancellation
(noise component 1/20)
Features
• DSP
:
16bitDSP core
Noise cancellation processing, Filter processing, Various voice processing(Voice emphasis, voice speed
conversion)
Power save mode(Oscillation stop,PLL stop, High-speed operation
Low-speed operation switch)
•Host CPU interface (4 line):Slave (GPIO0-3 and using combinedly)
•Serial PCM interface(4 line):Master/slave:2 systems(GPIO4-7,GPIO8-11 and using combinedly)
I2S, Long frame synchronization, Short frame synchronization : It corresponds to Fs=8KHz/16KHz
• GPIO:16port(Host CPU interface, cereal PCM interface, and it uses it combinedly to GPIO0-12.)
• A/D Converter (
method16bit 8KHz/16KHz)
• D/A Converter (
method16bit 8KHz/16KHz)
• Package:FLGA68K(6.0mm x 6.0mm x 0.8mm) LC70301LG
FLGA64(5.0mm x 5.0mm x 0.8mm) LC70301KLG
SQFP64(10.0mm x 10.0mm x 1.7mm) LC70301W
• Power-supply voltage:3 voltage(1.8V/2.8V:1.7V to 3.6V(IO),
2.8V:2.7V to 3.6V(analog),
1.1V 10%(Internal logic))
www.semiconductor-sanyo.com/network/
20090217-2/2