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TPA31xD2 Class-D Stereo Amplifiers

Texas Instruments TPA31xD2 Class-D Stereo Amplifiers are stereo-efficient, digital amplifier power stage devices for driving speakers up to 100W/2Ω in mono. The high-efficiency characteristics allow these amps to do 2 x 15W without an external heat sink on a single layer PCB. The TPA3118D2 can run 2 x 30W/8Ω without a heat sink on a dual-layer PCB. If higher power is needed, the TPA3116D2 does 2x50W/4Ω with a small heat sink attached to its top-side power pad. All three devices share the same footprint, enabling a single PCB to be used across different power levels. TI TPA31xD2 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences. This is achieved together with a master/slave option, making it possible to synchronize multiple devices.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Class	Output Power	THD plus Noise	Package/Case	Audio - Load Impedance	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Series	Qualification	Packaging
	Audio Amplifiers Automotive 50-W 2- c h 4.5- to 26-V sup TPA3116D2QDADRQ1 Texas Instruments 1: HK$48.42 21,590In Stock	Mfr. Part No. TPA3116D2QDADRQ1 Mouser Part No 595-TPA3116D2QDADRQ1	Texas Instruments	Audio Amplifiers Automotive 50-W 2- c h 4.5- to 26-V sup	Datasheet	21,590In Stock	Cut Tape HK$48.42 HK$37.15 HK$34.28 HK$31.15 HK$29.92 Reel HK$29.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			Class-D	50 W	0.1 %	HTSSOP-32	4 Ohms	4.5 V	26 V	- 40 C	+ 125 C	SMD/SMT	TPA3116D2	AEC-Q100	Reel, Cut Tape, MouseReel
	Audio Amplifiers 2-Ch 30-W Class-D Au dio Amp TPA3118D2QDAPRQ1 Texas Instruments 1: HK$31.89 8,785In Stock	Mfr. Part No. TPA3118D2QDAPRQ1 Mouser Part No 595-TPA3118D2QDAPRQ1	Texas Instruments	Audio Amplifiers 2-Ch 30-W Class-D Au dio Amp	Datasheet	8,785In Stock	Cut Tape HK$31.89 HK$24.08 HK$22.11 HK$19.97 Reel HK$17.26 View HK$18.99 HK$18.82 HK$17.92 HK$16.93 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			Class-D	30 W	0.1 %	HTSSOP-32	8 Ohms	4.5 V	26 V	- 40 C	+ 125 C	SMD/SMT	TPA3118D2	AEC-Q100	Reel, Cut Tape, MouseReel
	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3116D2DADR TPA3116D2DAD Texas Instruments 1: HK$33.62 1,804In Stock	Mfr. Part No. TPA3116D2DAD Mouser Part No 595-TPA3116D2DAD	Texas Instruments	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3116D2DADR Learn More about Texas Instruments ti tpa31 amplifiers	Datasheet	1,804In Stock	HK$33.62 HK$25.48 HK$19.07 HK$16.77	Min.: 1 Mult.: 1			Class-D	50 W	0.1 %	HTSSOP-32	4 Ohms	4.5 V	26 V	- 40 C	+ 85 C	SMD/SMT	TPA3116D2		Tube
	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3116D2DAD TPA3116D2DADR Texas Instruments 1: HK$17.92 29,755In Stock	Mfr. Part No. TPA3116D2DADR Mouser Part No 595-TPA3116D2DADR	Texas Instruments	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3116D2DAD Learn More about Texas Instruments ti tpa31 amplifiers	Datasheet	29,755In Stock	Cut Tape HK$17.92 HK$13.23 Reel HK$13.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			Class-D	50 W	0.1 %	HTSSOP-32	4 Ohms	4.5 V	26 V	- 40 C	+ 85 C	SMD/SMT	TPA3116D2		Reel, Cut Tape, MouseReel
	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3118D2DAP TPA3118D2DAPR Texas Instruments 1: HK$13.89 11,921In Stock 14,000Expected 20/5/2027	Mfr. Part No. TPA3118D2DAPR Mouser Part No 595-TPA3118D2DAPR	Texas Instruments	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3118D2DAP Learn More about Texas Instruments ti tpa31 amplifiers	Datasheet	11,921In Stock 14,000Expected 20/5/2027	Cut Tape HK$13.89 HK$10.60 HK$9.70 HK$8.71 Reel HK$7.30 View HK$8.14 HK$7.83 HK$7.79 HK$7.14 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			Class-D	30 W	0.1 %	HTSSOP-32	8 Ohms	4.5 V	26 V	- 40 C	+ 85 C	SMD/SMT	TPA3118D2		Reel, Cut Tape, MouseReel
	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3118D2DAPR TPA3118D2DAP Texas Instruments 1: HK$35.35 28In Stock 414Expected 23/11/2026	Mfr. Part No. TPA3118D2DAP Mouser Part No 595-TPA3118D2DAP	Texas Instruments	Audio Amplifiers 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3118D2DAPR Learn More about Texas Instruments ti tpa31 amplifiers	Datasheet	28In Stock 414Expected 23/11/2026	HK$35.35 HK$26.72 HK$24.00 HK$21.87 View HK$20.88 HK$20.30	Min.: 1 Mult.: 1			Class-D	30 W	0.1 %	HTSSOP-32	8 Ohms	4.5 V	26 V	- 40 C	+ 85 C	SMD/SMT	TPA3118D2		Tube
	Audio Amplifiers 15W Filter-Free Cl D Stereo Amp A 595-TP A 595-TPA3130D2DAPR TPA3130D2DAP Texas Instruments 1: HK$27.21 32In Stock	Mfr. Part No. TPA3130D2DAP Mouser Part No 595-TPA3130D2DAP	Texas Instruments	Audio Amplifiers 15W Filter-Free Cl D Stereo Amp A 595-TP A 595-TPA3130D2DAPR Learn More about Texas Instruments ti tpa31 amplifiers	Datasheet	32In Stock	HK$27.21 HK$20.30 HK$17.26 HK$15.78 View HK$15.12 HK$14.71 HK$14.22 HK$13.81 HK$13.56	Min.: 1 Mult.: 1			Class-D	15 W	0.1 %	HTSSOP-32				- 40 C	+ 85 C	SMD/SMT	TPA3130D2		Tube
	Audio Amplifiers 15W Filter-Free Cl D Stereo Amp A 595-TP A 595-TPA3130D2DAP TPA3130D2DAPR Texas Instruments 1: HK$20.63 25In Stock 2,000On Order	Mfr. Part No. TPA3130D2DAPR Mouser Part No 595-TPA3130D2DAPR	Texas Instruments	Audio Amplifiers 15W Filter-Free Cl D Stereo Amp A 595-TP A 595-TPA3130D2DAP Learn More about Texas Instruments ti tpa31 amplifiers	Datasheet	25In Stock 2,000On Order	Cut Tape HK$20.63 HK$15.37 HK$13.97 HK$11.67 HK$11.51 Reel HK$10.19 MouseReel Available	Min.: 1 Mult.: 1 : 2,000			Class-D	15 W	0.1 %	HTSSOP-32	8 Ohms	4.5 V	26 V	- 40 C	+ 85 C	SMD/SMT	TPA3130D2		Reel, Cut Tape, MouseReel