BU94702AKV
USB音頻解碼IC

ROHM的USB音頻解碼IC是將USB2.0 Host、SD記憶卡控制器、AAC解碼器、WMA解碼器、MP3解碼器、Audio DAC、系統控制器全部集成在1個晶片中的音樂播放IC 。只需連接記錄有壓縮音樂數據的USB裝置,就能輕鬆實現音頻播放。這樣,就可輕鬆搭載至光盤錄音機、迷你立體聲音響組合、汽車音響、行動式播放器等音響裝置,提高客戶的裝置附加價值。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BU94702AKV-E2
狀態 | 可購買
封裝 | VQFP80
單位數量 | 1000
最小包裝數量 | 1000
包裝形式 | Taping
RoHS | Yes

規格:

Vcc(Min.)[V]

3.0

Vcc(Max.)[V]

3.6

I/F

I2C BUS

Digital Audio I/F

I2S SPDIF

USB

USB2.0 Full Speed

SD

MMC SD / miniSD / microSD / SDHC

Display information

Number(Folder, File), Reproduction time, Name(Folder, File), Tag(Artist, Album, Title)

MP3

MPEG 1, 2, 2.5 LAYER 1, 2, 3

WMA

WMA9 Standard

AAC

MPEG4 AAC-LC

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

14x14 (t=1.6)

功能:

・ USB2.0 Full Speed host I/F function contained.
・ SD card I/F function contained.
・ I²C format I/F function contained.
・ Protocol conversion from I²C to USB HID or from USB HID to I²C. *1
・ MP3 encode function contained. *2,*3,*10
・ MP3 decode function contained. *4
・ WMA decode function contained. *5
・ AAC decode function contained. *6,*7
・ WAV format file playing function contained. *7
・ Sample Rate Converter contained. *8
・ System Controller contained.
・ FAT analysis function contained.
・ CD-ROM I/F function and CD-ROM decoder function contained.
・ Browsing function of File Names, Folder Names on music playing contained.
・ ID3TAG and WMATAG and AACTAG Analysis.
・ Fast forward/backward playing function contained.
・ Resume function contained.
・ File data Reading/Writing function contained.
・ Program download function from external serial Flash ROM contained.
・ Audio DAC and Sound Effect function contained.
・ Digital Audio Out function contained. *9
・ Regulator for internal CORE power supply contained.

Design Resources

 

Technical Articles

Schematic Design & Verification

  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

2D/3D/CAD

  • VQFP80 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)