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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 (CAD) 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: $8.38 21,740In Stock	Mfr. Part # TPA3116D2QDADRQ1 Mouser Part # 595-TPA3116D2QDADRQ1	Texas Instruments	Audio Amplifiers Automotive 50-W 2- c h 4.5- to 26-V sup	Datasheet	21,740In Stock	Cut Tape $8.38 $6.39 $5.89 $5.34 View Reel $4.78 $5.08 $4.92 $4.85 $4.78 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: $5.59 8,845In Stock	Mfr. Part # TPA3118D2QDAPRQ1 Mouser Part # 595-TPA3118D2QDAPRQ1	Texas Instruments	Audio Amplifiers 2-Ch 30-W Class-D Au dio Amp	Datasheet	8,845In Stock	Cut Tape $5.59 $4.22 $3.87 $3.50 Reel $3.02 View $3.33 $3.30 $3.14 $2.97 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: $5.89 1,854In Stock	Mfr. Part # TPA3116D2DAD Mouser Part # 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	1,854In Stock	$5.89 $4.46 $3.72 $3.57 View $3.47 $3.37 $3.05	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: $3.14 28,821In Stock	Mfr. Part # TPA3116D2DADR Mouser Part # 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	28,821In Stock	Cut Tape $3.14 $2.32 Reel $2.30 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: $2.43 20,786In Stock	Mfr. Part # TPA3118D2DAPR Mouser Part # 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	20,786In Stock	Cut Tape $2.43 $1.86 $1.70 $1.53 Reel $1.28 View $1.43 $1.37 $1.25 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: $6.21 287In Stock	Mfr. Part # TPA3118D2DAP Mouser Part # 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	287In Stock	$6.21 $4.68 $4.29 $3.87 View $3.67 $3.64 $3.43 $3.36	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: $4.77 32In Stock	Mfr. Part # TPA3130D2DAP Mouser Part # 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	$4.77 $3.56 $3.02 $2.76 View $2.65 $2.58 $2.49 $2.42 $2.38	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: $3.53 35In Stock 2,000Expected 2026-11-05	Mfr. Part # TPA3130D2DAPR Mouser Part # 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	35In Stock 2,000Expected 2026-11-05	Cut Tape $3.53 $2.61 $2.39 $2.13 Reel $1.77 View $2.02 $1.96 $1.86 $1.73 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