Nuvoton Technology Corporation NAU8318VG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 1.57 | Dhs. 1.57 |
| 15+ | Dhs. 1.52 | Dhs. 22.80 |
| 25+ | Dhs. 1.49 | Dhs. 37.25 |
| 50+ | Dhs. 1.40 | Dhs. 70.00 |
| 100+ | Dhs. 1.24 | Dhs. 124.00 |
| N+ | Dhs. 0.25 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Nuvoton Technology Corporation |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Part Status | Active |
| Type | Class D |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 1.73W x 1 @ 8Ohm; 3.2W x 1 @ 4Ohm |
| Voltage - Supply | 1.71V ~ 1.89V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 14-WLCSP (2.01x1.118) |
| Package / Case | 14-UFBGA, WLCSP |
| ROHS |  |
The NAU8318VG is a mono Class D audio amplifier from Nuvoton, optimized for ultra-low voltage operation from 1.71V to 1.89V. It delivers up to 3.2W into a 4Ω load or 1.73W into 8Ω, making it ideal for space-constrained, battery-powered devices. Housed in a tiny 14-WLCSP package, this amplifier combines high efficiency with minimal footprint, perfect for wearables, earbuds, and IoT audio applications.
- High Efficiency: Class D architecture minimizes power loss, extending battery life in portable devices.
- Ultra-Low Voltage Operation: Works from 1.71V, compatible with single-cell batteries and low-voltage digital rails.
- Compact Footprint: 14-WLCSP package (2.01x1.118mm) saves PCB space for miniaturized designs.
- High Output Power: Delivers 3.2W into 4Ω, sufficient for clear audio in small speakers.
Ultra-Portable Bluetooth Earbuds
The NAU8318VG's 1.71V minimum supply and 3.2W output into 4Ω enable high-volume audio from tiny earbud drivers while maintaining efficiency.
Wearable Audio Devices
Its compact 14-WLCSP package (2.01x1.118mm) fits seamlessly into smart glasses or smartwatch audio circuits, providing clear mono sound.
Mobile Phone Accessories
With Class D efficiency, this amplifier minimizes heat generation in dongles or small speaker docks powered by low-voltage batteries.
IoT Voice Assistants
The low supply voltage range aligns with IoT module power rails, making it suitable for voice feedback in smart home sensors.
Medical Monitoring Devices
Portable medical equipment requiring audio alerts can leverage the NAU8318's small size and low power draw for prolonged operation.
Single-Cell Li-Ion Powered Speakers
Operating from a 1.8V rail, this amplifier can be directly powered by a single lithium cell, simplifying power design in compact speakers.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| NAU8318VG | 14-WLCSP (2.01x1.118) | 1.71V ~ 1.89V | 1.73W x 1 @ 8Ω; 3.2W x 1 @ 4Ω |
| NAU8315B01VG | 14-WLCSP | 2.5V ~ 5.5V | 1.5W x 1 @ 8Ω |
| NAU8220 | 9-WLCSP | 2.5V ~ 5.5V | 1.2W x 1 @ 8Ω |
- Q: What is the output power of the NAU8318VG?
- A: It delivers 1.73W into 8Ω and 3.2W into 4Ω loads.
- Q: What supply voltage does the NAU8318 require?
- A: The operating supply voltage is 1.71V to 1.89V.
- Q: What class of amplifier is the NAU8318?
- A: It is a Class D mono amplifier, offering high efficiency.
- Q: What package is the NAU8318VG available in?
- A: It comes in a 14-WLCSP package measuring 2.01x1.118mm.
- Q: Is this amplifier suitable for portable devices?
- A: Yes, its ultra-low supply voltage and tiny WLCSP package make it ideal for battery-powered portable audio applications.
NAU8318VG.pdf
- Q: What is the output power of the NAU8318VG?
- A: It delivers 1.73W into 8Ω and 3.2W into 4Ω loads.
- Q: What supply voltage does the NAU8318 require?
- A: The operating supply voltage is 1.71V to 1.89V.
- Q: What class of amplifier is the NAU8318?
- A: It is a Class D mono amplifier, offering high efficiency.
- Q: What package is the NAU8318VG available in?
- A: It comes in a 14-WLCSP package measuring 2.01x1.118mm.
- Q: Is this amplifier suitable for portable devices?
- A: Yes, its ultra-low supply voltage and tiny WLCSP package make it ideal for battery-powered portable audio applications.
