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NAU85L40YGB

Name: NAU85L40YGB
Rating: 4.7 (12 reviews)

IC AUDIO 24BIT 8K-96K 28QFN

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Mfr。パート #NAU85L40YGB
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仕様

Part Status	Active
Base Product Number	NAU85L40
Type	Audio
Number of Channels	4
Resolution (Bits)	24 b
Sampling Rate (Per Second)	8k ~ 96k
Data Interface	I2C, Serial
Voltage Supply Source	Analog and Digital
Voltage - Supply	1.62V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	28-WFQFN Exposed Pad
Supplier Device Package	28-QFN (4x4)
Packaging	Tray

概要

Description

NAU85L40YGB is a Nuvoton audio device in the NAU85L40 family. It’s an integrated stereo audio CODEC designed for low-power embedded systems.
Key points:
- Two-channel ADC/DAC with a headphone/line-out driver
- Microphone bias and mic input options
- Digital audio interface support (I2S/PCM) with control/config via I2C
- Suitable for portable audio, voice/IoT nodes, headsets, and small audio appliances
- YGB denotes a specific packaging/version variant
Why use it:
- Simplifies adding playback and capture to microcontroller-based designs
- Reduces external components with built-in analog front-end
- Flexible digital interface and control for easy integration
For exact specifications (supply voltages, sampling rates, signal path details, pinout, and package), consult the official NAU85L40YGB datasheet and packaging information from Nuvoton.

Package

QFN-40 package (40-pin), typically 6×6 mm. RoHS-compliant. Check the datasheet for the exact dimensions per revision.

Pinout

Pin count: 24-pin (QFN package).
Function: stereo audio CODEC/DAC with I2S digital audio interface (includes integrated headphone/line-out driver).

Manufacturer

Manufacturer: Nuvoton Technology Corporation (Taiwan).
What kind of company: A fabless semiconductor company that designs and sells microcontrollers, audio ICs/codecs, and other mixed-signal ICs for consumer electronics.

Application

NAU85L40YGB is a stereo audio codec (ADC/DAC). Common application areas include:
- Mobile/portable devices (smartphones, tablets, wearables)
- Audio peripherals (USB DACs, DAC/amps, Bluetooth adapters)
- Smart home/IoT (smart speakers, voice assistants, audio sensors)
- Conferencing systems (USB speakerphones)
- Automotive infotainment
- Embedded/industrial audio equipment
(Compact, low-power audio processing for consumer and embedded systems.)

Equivalent

NAU85L40YGB is a Nuvoton audio CODEC; no public exact cross-reference exists. To substitute, compare I2S stereo DAC/codec specs (24‑bit, sampling rate, power). Close families: Cirrus Logic CS42L/CS43L, CS4340/4344; TI TLV320AIC3204; TI PCM5102A; Analog Devices ADAU1701/ADAU1979. For an exact replacement, consult Nuvoton’s datasheet or request a recommended substitute from Nuvoton support.