350-mW Low-Voltage Audio Power Amplifier

The TPA311 is a bridge-tied load (BTL) or single-ended (SE) Audio Power Amplifier developed especially for low-voltage applications where internal speakers and external earphone operation are required. Operating with a 3.3-V supply, the TPA311 CAN deliver 250-mW of continuous power into a BTL 8- load at less than 1% THD+N throughout voice band frequencies. Although this device is characterized out to 20 kHz, its operation was optimized for narrower band applications such as cellular Communications The BTL configuration eliminates the need for external coupling capacitors on the output in most applications, which is particularly important for small battery-powered equipment. A unique feature of the TPA311 is that it allows the Amplifier to Switch from BTL to SE on the fly when an earphone drive is required. This eliminates complicated mechanical switching or auxiliary devices just to drive the external load. This device features a shutdown mode for power-sensitive applications with special depop circuitry to virtually eliminate speaker noise when exiting shutdown mode and during power cycling. The TPA311 is available in an 8-pin SOIC surface-mount package and the surface-mount PowerPAD MSOP, which reduces board space by 50% and height by 40%. By Texas Instruments
Part Manufacturer Description Datasheet Samples
TPA311EVM Texas Instruments TPA311 Evaluation Module (EVM)
TPA3111D1QPWPRQ1 Texas Instruments Automotive 10W Analog input Mono Class D Amplifier with SpeakerGuard™ 28-HTSSOP -40 to 125
TPA3118D2QDAPRQ1 Texas Instruments 2-Ch, 30-W Analog Input Class-D Audio Amplifier 32-HTSSOP -40 to 125
TPA311DRG4 Texas Instruments 350-mW Mono Class-AB Audio Amplifier 8-SOIC
TPA311D Texas Instruments 350-mW Mono Class-AB Audio Amplifier 8-SOIC
TPA311DG4 Texas Instruments 350-mW Mono Class-AB Audio Amplifier 8-SOIC
TPA3112D1PWP Texas Instruments 25-W Filter-Free Mono Class-D Audio Amplifier with SpeakerGuard™ (TPA3112) 28-HTSSOP -40 to 85
TPA311DGNRG4 Texas Instruments 350-mW Mono Class-AB Audio Amplifier 8-MSOP-PowerPAD
TPA3111D1PWPR Texas Instruments 10-W Mono Class-D Audio Power Amplifier with SpeakerGuard™ (TPA3111) 28-HTSSOP -40 to 85
TPA3117D2RHBT Texas Instruments 15W Filter-Free Stereo Class-D Amplifier 32-VQFN -40 to 85
TPA311 's PackagesTPA311 's pdf datasheet
TPA311D SOIC
TPA311DG4 SOIC
TPA311DGN MSOP
TPA311DGNG4 MSOP
TPA311DGNR MSOP
TPA311DGNRG4 MSOP
TPA311DR SOIC
TPA311DRG4 SOIC




TPA311 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
TPA311 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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