ALC4042-CG
Realtek USB 2.0 audio codec with USB-to-I2S/SPDIF audio controller and hardware active noise cancellation, suitable for USB Type-C headsets, USB audio adapters, docking stations, microphones and embedded audio devices
- Manufacturer
- Realtek Semiconductor
- Product Category
- Audio Codecs
- Package
- QFN-48
- Stock
- 12,510 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Realtek Semiconductor |
|---|---|
| Product Category | Audio Codecs |
| ADC | Two Stereo ADCs |
| ADC SNR | 94dBA |
| ANC Function | 2nd Gen Realtek hardware active noise cancellation |
| Audio Class | USB Audio Class 1.0 / 2.0 |
| Audio Resolution | 16 / 24 / 32-bit |
| Control Interface | I2C master interface |
| Current consumption | 30mA idle / 45mA active / 490µA suspend typ. |
| DAC | Stereo DAC |
| DAC SNR | 100dBA |
| Digital Microphone | Two stereo digital microphone interfaces |
| DSD Support | DSD Native 64Fs / 128Fs / 256Fs, DoP support |
| Function | USB 2.0 to I2S / S/PDIF Audio Controller |
| Headphone Amplifier | Class-G cap-saving headphone amplifier |
| I2S Interface | Up to 384kHz, 16 / 24 / 32-bit |
| I2S TDM | Up to 8-channel input/output |
| Max Sample Rate | Up to 384kHz |
| Other Interfaces | SPI, UART, GPIO |
| Package | MQFN-48 Green Package |
| Package Size | 6 × 6 mm |
| Power Input | Built-in LDO, 3.0V to 5.0V input range |
| Product Type | USB Audio Codec |
| S/PDIF Output | 44.1kHz to 192kHz PCM / AC-3 |
| Typical Applications | USB Type-C audio headset, USB audio adapter, microphone, speaker, docking station, embedded USB audio |
| USB Interface | USB 2.0 Full-Speed / High-Speed |
| Datasheet | Request Datasheet |
Procurement Snapshot
Key supply and purchasing information for ALC4042-CG.
Why Source from Antrex Electronics?
Independent distribution support for verified sourcing, inspection and international procurement requirements.
Independent Distribution Support
Shortage, obsolete and hard-to-find component sourcing for production and procurement requirements.
Traceability Review
Label, lot, date code and available supply-chain documentation can be reviewed before order confirmation.
Inspection & Testing
Visual inspection, X-ray and third-party testing support can be arranged when required.
Global Procurement Support
Support for OEM, EMS, distributors and international sourcing requirements across individual parts and BOM projects.
Credentials & Verification Support
Quality controls, traceability review and inspection support for electronic component sourcing.
ALC4042-CG Sourcing & Availability Support
RFQ SupportALC4042-CG is listed under the Controllers IC category from Realtek. It is commonly reviewed for embedded control, industrial automation, IoT devices, consumer electronics and communication products. Buyers can request current stock, price, lead time, date code, packaging photos and RFQ support from Antrex Electronics.
Product review notes
ALC4042-CG belongs to the Controllers IC category from Realtek. This page is designed for OEM, EMS, industrial and electronic component buyers who need sourcing support, availability checks and purchasing assistance. Antrex Electronics supports RFQ handling fo...
RFQ checklist
- Current stock, price and lead time
- Date code, package type and label photos
- Reel, tray, tube or cut-tape condition
- Target price, volume demand and BOM requirements
FAQ for ALC4042-CG
What is ALC4042-CG?
ALC4042-CG is listed under the Controllers IC category from Realtek. Buyers can request stock, price, lead time and sourcing support from Antrex Electronics.
Who manufactures ALC4042-CG?
The manufacturer of ALC4042-CG is Realtek. Please confirm the full part number, package, date code and application requirements before placing an order.
Can I request stock and price for ALC4042-CG?
Yes. You can send an RFQ to Antrex Electronics to check current stock, price, lead time, date code, packaging condition and volume quotation for ALC4042-CG.
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