Class D

All ICs are RoHS compliant.

* Status: P - mass production, S - samples, UD - under development, N - not recommended for new design.

Chip	Description	Supply   voltage   [V]	Output power	SNR	Operating temperature [°C]	Package	Status *
NAU82011VG (696 KB)	Mono Class-D audio amplifier variable voltage gain ≤ 26 dB with using external input resistors signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	2.5 – 5.5	3.1 W / 4 Ω at 5 V and THD+N <10%	103 dB	-40 – +85	WLCSP-9	P
NAU82011WG (555 KB)	Mono Class-D audio amplifier variable voltage gain ≤ 26 dB with using external input resistors signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	2.5 – 5.5	2.9 W / 4 Ω at 5 V and THD+N <10%	103 dB	-40 – +85	MSOP-8	P
NAU82028VG (1054 KB)	Mono filter-free Class-D audio amplifier variable voltage gain in the range from +12 dB to -20.5 dB using 2-wire interface signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	2.5 – 5.5	3.1 W / 4 Ω at 5 V and THD+N <10%	101 dB	-40 – +85	WLCSP-9	P
NAU82039VG (783 KB)	Mono Class-D audio amplifier fixed voltage gain 12 dB signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	2.5 – 5.5	3.2 W / 4 Ω at 5 V and THD+N <10%	103 dB	-40 – +85	WLCSP-9	P
NAU8214 (1327 KB)	Stereo filter-free Class-D audio amplifier 5 selectable voltage gain settings (0 / 6 / 12 / 18 / 24 dB) signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression max power limiting function (speaker protection) set by using external resistor stand-by current <1 µA	2.5 – 5.5	2.9 W / 4 Ω at 5 V and THD+N <10%	103 dB	-40 – +85	QFN-20 SOP-8	P
NAU8223 (1007 KB)	Stereo filter-free Class-D audio amplifier 5 selectable voltage gain settings (0 / 6 / 12 / 18 / 24 dB) signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	2.5 – 5.5	3.1 W / 4 Ω at 5 V and THD+N <10%	103 dB	-40 – +85	QFN-20	P
NAU8224 (753 KB)	Stereo filter-free Class-D audio amplifier variable voltage gain in the range from +24 dB to -62 dB using 2-wire interface signal inputs in single-ended or differential mode Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	2.5 – 5.5	3.1 W / 4 Ω at 5 V and THD+N <10%	101 dB	-40 – +85	QFN-20	P
NAU83P20 (1226 KB)	Stereo high power high efficiency Class-D audio amplifier signal inputs in single-ended or differential mode multiple output configurations 2-channel BTL outputs (2 x 20 W) 4-channel single ended outputs (4 x 10 W) 2-channel single ended + 1-channel BTL outputs (2 x 10 W + 20 W) Chip Enable input current and thermal protection pop/click suppression stand-by current <1 µA	8 – 24	2 x 20 W / 8 Ω at THD+N <10%	105 dB	0 – +70	QFN-48	P