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音频IC
数字音频/辅助电路:USB主机音频解码器IC
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ROHM的USB主机音频解码器IC是一种音乐播放IC。单个芯片中整合了USB2.0、SD存储卡控制器，AAC解码器，WMA解码器，MP3解码器，耳机放大器以及系统控制器。仅通过与储存了压缩音乐资料的USB设备相连接，即可轻松实现音频播放器。因此，它便于安装在CD收录两用机、迷你组合立体声、汽车立体声和便携式播放器等立体声装置中。
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| Part No. |
Supply voltage （V） |
USB |
SD |
Serial interface |
Display infomation |
MP3 |
WMA |
AAC |
Audio output |
Package |
RoHS |
| Core (V) |
I/O (V) |
Analog |
Digital |
NEW
BU9428KV |
1.40 to 1.60 |
3.0 to 3.6 |
USB2.0
Full Speed |
- |
I2C BUS |
Folder number, File number, Playing time,
Folder name,
File name,
TAG (Artist Alubum Title) |
MPEG1,2,2.5
LAYER1,2,3 |
- |
- |
Line |
I2S
SPDIF |
VQFP64V |
Yes |
| BU9435KV |
1.40 to 1.60 |
3.0 to 3.6 |
USB2.0
Full Speed |
MMC SD、miniSD、micro SD、SDHC
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I2C BUS |
MPEG1,2,2.5
LAYER1,2,3 |
- |
- |
Line |
I2S
SPDIF |
VQFP64 |
Yes |
NEW
BU9437AKV |
- |
3.0 to 3.6 |
USB2.0
Full Speed |
MMC SD、miniSD、micro SD、SDHC
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I2C BUS |
MPEG1,2,2.5
LAYER1,2,3 |
WMA9
Standard |
- |
Line |
I2S
SPDIF |
VQFP64 |
Yes |
| ☆BD9438KV |
- |
3.0 to 3.6 |
USB2.0
Full Speed |
MMC SD、miniSD、micro SD、SDHC
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I2C BUS |
MPEG1,2,2.5
LAYER1,2,3 |
WMA9
Standard |
MPEG4
AAC-LC |
Line |
I2S
SPDIF |
VQFP64 |
Yes |
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 NEW! 音频IC
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