NAU83G60 Smart Amplifier

NAU83G60 is a stereo 2x30W smart amplifier with integrated low latency Advanced Audio DSP running the KCS (KLIPPEL Controlled Sound) nonlinear adaptive speaker control algorithm. KCS provides highly accurate mechanical and thermal speaker protection while the nonlinear control system reduces harmonic and intermodulation distortion generated by speaker nonlinearities. Thanks to active DC compensation, the voice coil can be operated at its ideal rest position for maximum bass output. NAU83G60 voltage and current sensing enable continuous identification of speaker parameters. Hence, parameter variations caused by aging, production variances, or climate changes can be compensated.

While conventional linear speaker protection algorithms cripple where it matters the most – at high amplitudes – this is where NAU83G60 with KCS truly shines. Its unique feature-set allows operating speakers safely at their physical limits. This enables increased loudness and deeper bass with higher sound quality for consistent best-in-class performance.

Applications

- Automotive/ ANC

- TV/ Sound bar

- Notebooks/ PC/ All-in-One PC

- Wireless/ Smart/ Active Speakers

Key Features

Powerful Stereo Class-D Amplifier		Audio Data/ Control/ Clock Interface
-	Stereo 30W Output Power @4Ω load, < 10% THD+N, 24V	-	High Speed I2C mode (up to 1Mbps)
-	Mono 60W Output Power in PBTL mode @2Ω load, < 10% THD+N, 24V	-	I2S/ PCM/ TDM (up to 8 channels & 192KHz Sampling)
-	0.05% THD+N @ 8 Ω Load, 1W Output Power	*Klippel Controlled Sound (KCS)* Algorithm
-	Operating Voltage, VBAT: 5V ~ 24V	-	Overload Protection (Mechanical and Thermal)
High-Quality Audio		-	Linearization (Stabilization and Speaker Distortion Compensation)
-	2 x 15-band PEQs	-	Adaptive speaker alignment
-	Crossover and Audio Mixer for Ultrasonic Bypass Mode	-	Output Power and Voltage Limiter
-	Up/ Down Sampling Converter	-	Optimal Voice Coil Rest Position
Battery Limiter Control		-	Real-time Speaker Diagnostic Data
-	Automatic Level Control (ALC) and Under Voltage Lockout Prevention (UVLOP)	-	Low latency operation for active noise control
		-	Linearized echo cancellation reference signal

KCS Benefits

Nuvoton-NAU83G60 Smart Amplifier

Benefits for active sound applications

-	Active noise control: Maximum bass from small speakers, constant speaker response, distortion compensation, very low latency
-	Active echo cancellation: Improved performance for speakerphone operation, wake-word detection due to distortion compensation

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NAU83G60 Smart Amplifier

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-	Automotive/ ANC
-	TV/ Sound bar
-	Notebooks/ PC/ All-in-One PC
-	Wireless/ Smart/ Active Speakers