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BU94501AMUV-E2 The BU94501AMUV-E2 from ROHM Semiconductor is a WAV/AAC/WMA/MP3 audio decoder LSI with USB host, SD card interface, and audio DAC. It operates from 3V to 3.6V and is housed in a 40-VFQFN exposed pad package.
Mfr Part #:

BU94501AMUV-E2

Available from 1 distributors
Mfr Name: ROHM Semiconductor
ROHM Semiconductor
The BU94501AMUV-E2 from ROHM Semiconductor is a WAV/AAC/WMA/MP3 audio decoder LSI with USB host, SD card interface, and audio DAC. It operates from 3V to 3.6V and is housed in a 40-VFQFN exposed pad package.
✓ Total Stock: 4,000 pcs

BU94501AMUV-E2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request 1730+ On Request On Request
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BU94501AMUV-E2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Function
Interface
Mounting Type
Supplier Device Package
Tape & Reel
Voltage
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BU94501AMUV-E2 Description

Short technical summary and product information.

The BU94501AMUV-E2 is a USB Audio Decoder LSI from ROHM Semiconductor's BU9450xAxxx series. It integrates a WAV/AAC/WMA/MP3 decoder, USB 2.0 Full Speed host interface, SD card interface, audio DAC, system controller, and a regulator for the internal 1.5V core supply.

 

Key interfaces include USB 2.0 Full Speed, SD Card, I2C, I2S, EIAJ, and S/PDIF for digital audio output. The device supports protocol conversion from I2C to USB HID and from USB HID to I2C. It includes a sample rate converter, FAT file system analysis, ID3 tag parsing, and resume function.

 

The IC is supplied in a 40-VFQFN exposed pad package (VQFN040-V6060) measuring 6.00mm x 6.00mm x 1.00mm, suitable for surface mount assembly. Standard packaging is tape and reel with 2000 pieces per reel. The operating voltage range is 3V to 3.6V.

 

This decoder is designed for audio products such as portable audio players, USB speakers, car audio systems, and home audio equipment.

BU94501AMUV-E2 Quick Information

Product Type: Audio Decoder IC
Series: BU9450xAxxx
Canonical Name: ROHM Semiconductor BU94501AMUV-E2 USB Audio Decoder LSI
Subcategory: USB Audio Decoder LSI

BU94501AMUV-E2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BU94501AMUV-E2 Features

  • WAV/AAC/WMA/MP3 audio decoder LSI.
  • USB 2.0 Full Speed host interface.
  • SD card interface for memory playback.
  • Integrated audio DAC and system controller.
  • Surface mount 40-VFQFN package.

BU94501AMUV-E2 Applications

  • Ideal for portable audio players.
  • Used in USB audio speaker systems.
  • Suitable for car audio head units.
  • Applicable in home audio equipment.

BU94501AMUV-E2 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the BU94501AMUV-E2?

3V to 3.6V.

What package does the BU94501AMUV-E2 come in?

40-VFQFN Exposed Pad (VQFN040-V6060), 6.00mm x 6.00mm x 1.00mm.

Is the BU94501AMUV-E2 RoHS compliant?

It is listed as RoHS3 Compliant, but this is unverified.

What audio formats does the BU94501AMUV-E2 decode?

WAV, AAC, WMA, and MP3.

What interfaces are available on the BU94501AMUV-E2?

USB 2.0 Full Speed, SD Card, I2C, I2S, EIAJ, and S/PDIF.

What is the standard packaging quantity?

2000 pieces per reel.

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