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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 (CLP) 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 2-Ch 30-W Class-D Au dio Amp TPA3118D2QDAPRQ1 Texas Instruments 1: $4.420 8.785In Stock	Mfr. Part # TPA3118D2QDAPRQ1 Mouser Part # 595-TPA3118D2QDAPRQ1	Texas Instruments	Audio Amplifiers 2-Ch 30-W Class-D Au dio Amp	Datasheet	8.785In Stock	Cut Tape $4.420 $3.338 $3.065 $2.768 Reel $2.392 View $2.632 $2.609 $2.484 $2.347 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 Automotive 50-W 2- c h 4.5- to 26-V sup TPA3116D2QDADRQ1 Texas Instruments 1: $6.631 21.590In 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	21.590In Stock	Cut Tape $6.631 $5.058 $4.660 $4.227 View Reel $3.589 $4.022 $3.896 $3.839 $3.589 Quote 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 50W Stereo Class-D A udio Amp A 595-TPA3 A 595-TPA3116D2DADR TPA3116D2DAD Texas Instruments 1: $4.660 1.808In 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	1.808In Stock	$4.660 $3.532 $2.643 $2.324	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: $2.484 28.760In 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	28.760In Stock	Cut Tape $2.484 $1.834 Reel $1.823 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: $1.925 12.616In 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	12.616In Stock	Cut Tape $1.925 $1.470 $1.344 $1.208 Reel $1.012 View $1.128 $1.086 $1.080 $990 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: $4.910 28In Stock 414Expected 3/12/2027	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	28In Stock 414Expected 3/12/2027	$4.910 $3.703 $3.395 $3.065 View $2.905 $2.882 $2.711 $2.655	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: $3.771 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	$3.771 $2.814 $2.392 $2.187 View $2.096 $2.039 $1.971 $1.914 $1.880	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: $2.791 30In Stock 2.000Expected 11/2/2026	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	30In Stock 2.000Expected 11/2/2026	Cut Tape $2.791 $2.062 $1.891 $1.686 Reel $1.401 View $1.595 $1.549 $1.470 $1.367 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