Nuvoton Introduced High-Efficiency Quad Audio ADC
The new NAU85L42YG component enables high-resolution real-time voice capture with reduced power consumption for wireless streaming.
Updated on Oct. 14, 2026 in Semiconductors

Nuvoton has introduced the NAU85L42YG, a quad-channel analog-to-digital converter (ADC) designed for high-resolution audio processing. The component is currently available to support wireless streaming and real-time voice capture workflows.
Why it matters
This release provides a hardware solution for low-latency audio applications that require high fidelity in compact, thermally demanding environments. It addresses the growing industry demand for power-efficient capture in wireless consumer electronics.
The NAU85L42YG supports 24-bit resolution at sampling rates up to 192 kHz. It is housed in a 4 mm by 4 mm QFN-32 package and operates within a temperature range of -40°C to 105°C.
The players
Nuvoton
A semiconductor company that specializes in the design and manufacture of microcontrollers, audio ICs, and cloud computing hardware.
The details
The device utilizes low-latency decimator filters—digital filters that reduce the sample rate of a signal—to streamline real-time audio processing. It also features integrated microphone diagnostics and automatic clock detection to simplify integration into existing circuit designs. The chip supports standard PCM, I2S, and TDM output formats for compatibility with various digital audio architectures.
Timeline
Nuvoton introduced the NAU85L42YG quad audio ADC on October 14, 2026.
The Tech Race
The NAU85L42YG follows the established I2S standard to ensure broad interoperability within digital audio signal chains. It competes in a segment defined by the shift toward high-fidelity wireless streaming and ultra-compact, low-power processing requirements.
This component enables developers to build lighter, more efficient wireless audio devices with improved sound capture capabilities. Engineers can expect to integrate the QFN-32 package into new product designs immediately to optimize thermal management and power draw.
The takeaway
The NAU85L42YG marks a shift toward lower power overhead for high-fidelity audio capture in compact devices. Developers should monitor Nuvoton's updated integration documentation for specific implementation benchmarks in wireless product testing.
Further reading
For broader trends in audio component architecture, see our coverage of Semiconductors.
Source note: This article includes information reported by Electrical Engineering News and Products.






