This is the instruction manual for BU94607AKV, a WAV/AAC/WMA/MP3 decoder IC that contains program download function from external serial Flash ROM and contains USB host, SD card I/F, CD-ROM I/F, audio DAC, system controller, regulator for internal CORE power supply.
The BU94607AKV is a USB audio decoder IC that integrates a USB 2.0 full‑speed host, SD‑card and CD‑ROM interfaces, an audio DAC, system controller and internal power regulator. It supports WAV, AAC, WMA and MP3 playback and includes functions such as fast‑forward, resume, and key control.
The document lists the device’s absolute maximum ratings, operating conditions, electrical characteristics, pin descriptions, block diagram and I/O signal specifications. It also contains application notes, feature tables and legal notices for use of the product.
| Supply voltage (Analog, I/O) | 3.0~3.6 V |
|---|---|
| Operating temperature range | -40~85 °C |
| Power dissipation | 900 mW |
| USB host current (max) | 90 mA |
| SD‑card interface current (max) | 60 mA |
| THD (audio DAC) | 0.005 % |
| Dynamic range (audio DAC) | 90 dB |
| Package | VQFP80, 0.5 mm pitch |
Yes, you must be a licensee of Apple Inc. for the "Made for iPod/iPhone/iPad" license.
The device is supplied in a VQFP80 package with a 0.5 mm pitch.