ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：I2S STEREO 3W CLASS-D AMPLIFIER
- Series：-
- Mfr：Nuvoton Technology Corporation
- Package：Tray
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：3.08W x 2 @ 4Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：-
- Mounting Type：Surface Mount
- Supplier Device Package：20-QFN (4x4)
- Package / Case：20-WFQFN Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
Download product information
Overview
The NAU8325YG is a stereo high-efficiency filter-free Class-D audio amplifier in a QFN-20 package. It drives 4Ω loads with up to 3.0W output power at 5V supply. Key electrical parameters include 90% efficiency, 80dB PSRR at 217Hz, and ultra-low quiescent current of 2.1mA at 3.7V for two channels. The device features I2C control and I2S digital audio input.
Feature Summary
- Stereo Class-D amplifier architecture designed for high efficiency without external output filters
- Integrated I2S/PCM digital audio interface for direct connection to digital sources
- I2C serial control interface for programmable gain and system management
- Advanced power management including low standby current and fast start-up capabilities
Applications
- Notebooks and Tablet PCs
- Personal Media Players and Portable TVs
- Portable Game Players
- Digital Camcorders
Procurement Notes
Verify the specific suffix 'YG' against the manufacturer's official ordering information to confirm package material and pin configuration details. Ensure that the required operating voltage ranges for SPK_VDD, A_VDD, and IO_VDD align with the target system design before procurement.
Selection Notes
Select this component for battery-powered portable devices requiring high audio fidelity and extended runtime. The filter-free design reduces bill of materials cost and board space. Verify compatibility with the host processor's I2S clocking requirements and I2C bus speeds during the hardware design phase.
Part Context
The NAU8325 belongs to Nuvoton's portfolio of audio amplifiers targeting mobile consumer electronics. It utilizes a miniature QFN-20 package to minimize footprint. The device integrates protection features such as thermal shutdown and short-circuit protection to ensure reliability in compact portable form factors.
Replacement Considerations
Consult official documentation for verified substitute part numbers within the same product family or from other manufacturers. Cross-reference pinouts, electrical characteristics, and software register maps to ensure functional compatibility.
