25-W Stereo Class-D Audio Power Amplifer

The TPA3123D2 is a 25-W (per channel) efficient, Class-D Audio Power Amplifier for driving stereo speakers in a single-ended configuration or a mono speaker in a bridge-tied-load configuration. The TPA3123D2 CAN drive stereo speakers as low as 4. The efficiency of the TPA3123D2 eliminates the need for an external heat sink when playing music. The gain of the Amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, 36 dB. The patented start-up and shut-down sequences minimize pop noise in the speakers without additional circuitry. By Texas Instruments
Part Manufacturer Description Datasheet Samples
TPA3123D2PWP Texas Instruments 25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3123) 24-HTSSOP -40 to 85
TPA3123D2PWPG4 Texas Instruments 25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3123) 24-HTSSOP -40 to 85
TPA3123D2PWPR Texas Instruments 25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3123) 24-HTSSOP -40 to 85
TPA3123D2 's PackagesTPA3123D2 's pdf datasheet
TPA3123D2PWP HTSSOP
TPA3123D2PWPG4 HTSSOP
TPA3123D2PWPR HTSSOP
TPA3123D2PWPRG4 HTSSOP




TPA3123D2 Pinout, Pinouts
TPA3123D2 pinout,Pin out
This is one package pinout of TPA3123D2,If you need more pinouts please download TPA3123D2's pdf datasheet.

TPA3123D2 Application circuits
TPA3123D2 circuits
This is one application circuit of TPA3123D2,If you need more circuits,please download TPA3123D2's pdf datasheet.


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