ALC4040
ALC4040 is a Realtek USB audio codec supporting stereo ADC/DAC and up to 24-bit/192 kHz playback
Quick Answer: ALC4040 is a Realtek Semiconductor audio codec designed for USB-based digital audio applications.
- Manufacturer
- Realtek Semiconductor
- Product Category
- Audio Codecs
- Package
- QFN
- Stock
- 1,000 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Realtek Semiconductor |
|---|---|
| Product Category | Audio Codecs |
| ADC Channels | 2 |
| ADC Resolution | Up to 24 Bit |
| Analog Input | Stereo |
| Analog Output | Stereo |
| DAC Channels | 2 |
| DAC resolution | Up to 24 Bit |
| Digital Audio Interface | I²S / PCM / TDM |
| Digital Interface Sample Rates | 8 kHz to 192 kHz |
| Maximum ADC Sampling Rate | 96 kHz |
| Maximum DAC Sampling Rate | 192 kHz |
| Primary Application | USB Audio / Type-C Audio |
| Product Type | USB Audio Codec |
| Supported ADC Sample Rates | 44.1 kHz, 48 kHz, 96 kHz |
| Supported DAC Sample Rates | 44.1 kHz, 48 kHz, 192 kHz |
| Typical Applications | USB Headsets, USB-C Audio Adapters, Docking Stations, Embedded Audio Systems |
| USB Audio Class | USB Audio Device Class |
| USB Interface | USB 2.0 |
| USB Product ID | 481A |
| USB Vendor ID | 0BDA |
| Datasheet | Request Datasheet |
Procurement Snapshot
Key supply and purchasing information for ALC4040.
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Detailed Description for ALC4040
Product Overview
ALC4040 is a Realtek Semiconductor audio codec designed for USB-based digital audio applications. The device is used in embedded boards, USB audio products and compact multimedia systems to provide digital-to-analog and analog-to-digital audio conversion together with USB audio connectivity. Its integration of USB audio control and codec functions helps reduce external component requirements in portable and embedded audio designs.
Key Features
Manufacturer: Realtek Semiconductor Corp.
Part Number: ALC4040
Product Type: USB audio codec
Product Family: Realtek ALC40xx USB audio codec family
Primary Function: Digital and analog audio conversion
Host Interface: USB
Audio Function: Integrated playback and recording support
Audio Resolution: Up to 24-bit operation in documented system implementations
Sampling Rate: Up to 96kHz in documented system implementations
Analog Audio Output: Supported
Analog Audio Input: Supported
Digital Audio Interface: Integrated digital audio connectivity
USB Audio Application: Suitable for USB-hosted audio systems
Integration Level: Codec and USB audio control functions in a single IC
Application Type: Embedded and portable audio
Mounting Type: Surface mount
Package Family: QFN-type package reported for ALC4040 variants
Example System Usage: ASUS Tinker Board family
Application Category: USB audio and multimedia systems
Ordering Note: Exact package suffix, electrical limits, pin configuration and supported audio modes should be verified from original Realtek documentation before production use.
Applications
ALC4040 is suitable for USB audio and embedded multimedia applications including single-board computers, USB audio adapters, portable audio accessories, embedded control systems, multimedia terminals and other electronic equipment requiring integrated digital audio conversion.
Quality & Sourcing
Antrex Electronics provides sourcing support for ALC4040 including stock verification, quotation service, package confirmation, device marking review, date code verification and shipment coordination. Customers can provide quantity requirements, complete package information and delivery schedules for efficient purchasing support.
For quality assurance, Antrex Electronics can assist with product marking verification, visual inspection and third-party testing services when required. Audio equipment manufacturers, embedded-system developers and electronic component buyers are welcome to submit BOM lists or hard-to-find audio codec requirements for sourcing assistance.
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