NAU8315B31VG

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NAU8315B31VG

1.0W MONO CLASS-D AUDIO AMPS I2S

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仕様

Part Status Active
Type Class D
Output Type 1-Channel (Mono)
Max Output Power x Channels @ Load 1.8W x 1 @ 8Ohm; 3.2W x 1 @ 4Ohm
Voltage - Supply 2.5V ~ 5.25V
Mounting Type Surface Mount
Operating Temperature -40°C ~ 85°C
Supplier Device Package 12-WLCSP (1.95x1.118)
Package 12-UFBGA, WLCSP
Packaging Tape & Reel (TR)

概要

Description

NAU8315B31VG is a Nuvoton NAU-series stereo audio CODEC. It integrates a stereo DAC and ADC, a built-in headphone driver and mic bias, plus analog inputs (MIC/LINE-IN) and outputs (HP/LINE-OUT). It uses a flexible digital interface (I2S/PCM) and a control interface (I2C) to configure gains, mixing, and other features.
The B31VG suffix indicates the package/revision; check the datasheet for exact pinout and recommended PCB layout. Typical uses include portable devices, headsets, USB audio dongles, and compact speakers.
Key points to verify in the datasheet:
- Supply voltage range and decoupling requirements
- Supported sample rates and data formats
- Signal-to-noise ratio, total harmonic distortion, and dynamic range
- Headphone drive capability and mic bias details
- Power-down behavior and current consumption
In short: NAU8315B31VG is a compact, low-power audio CODEC for converting between analog mic/line signals and digital audio with a built-in headphone driver and flexible control interfaces.

Features

Here are the typical features of NAU8315B31VG (audio CODEC family) in a concise form:
- 2-channel stereo ADC and DAC (24-bit delta-sigma)
- I2S/ PCM digital audio interface with flexible formats
- Built-in headphone amplifier with programmable gain
- Analog line-in and line-out paths with programmable gain
- Microphone bias and support for electret mics
- Digital volume control, mute, and soft mute features
- Power-management: low-power operation with standby/power-down modes
- Flexible clocking and data-rate options for common audio sampling rates
- Small VG package suitable for portable devices
Note: exact specifications (e.g., supported sampling rates, input/output impedance, voltage ranges) are best confirmed from the official datasheet for NAU8315B31VG.

Package

QFN-32 (quad flat no-lead), 5×5 mm package with an exposed pad.

Pinout

Pin count: 28 pins (28-pin package).
Function: NAU8315B31VG is a low‑power stereo audio CODEC with integrated ADC and DAC, a digital audio interface (I2S/PCM), and input/output peripherals (headphone/line-out, microphone input) for portable audio applications.

Manufacturer

Manufacturer: Nuvoton Technology Corporation (Taiwan).
What kind of company: A Taiwanese semiconductor company that designs and sells integrated circuits, including audio ICs and microcontrollers. They are typically described as a fabless IC design company that relies on external foundries for fabrication.

Application

NAU8315B31VG is a stereo audio CODEC with a built-in headphone amplifier. Common application areas: mobile devices (phones, tablets, portable players); voice/conference gear (recorders, VoIP phones); USB/embedded audio interfaces and multimedia systems; consumer electronics (smart speakers, soundbars, portable speakers); embedded/industrial audio applications (audio I/O and data-logging).

出荷

出荷方法私たち

DHL、FedEx、TNT、UPS、またはあなたの選択の他の運送業者を通じてグローバルな出荷サービスを提供します。


出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

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