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          SGM4863

          Dual 2.1W Audio Power Amplifier Plus Stereo Headphone Function
           
          Dual 2.1W Audio Power Amplifier Plus Stereo Headphone Function
          GENERAL DESCRIPTION

          The SGM4863 is a dual bridge-connected audio power amplifier which, when connected to a 5V supply, will deliver 2.1W into a 4Ω load or 2.5W into a 3Ω load with typically 1% THD+N. In addition, the headphone input pin allows the amplifiers to operate in single-ended mode when driving stereo headphones.

          To simplify audio system design, the SGM4863 combines dual bridge speaker amplifiers and stereo headphone amplifiers on one chip.

          The SGM4863 features a low power consumption shutdown mode and thermal shutdown protection. It also utilizes circuitry to reduce “pop/click” during device turn-on.

          The SGM4863 is available in Green TSSOP-20 (Exposed Pad), TQFN-3×3-20L, TSSOP-16 (Exposed Pad), SOIC-16 and DIP-16 packages. It operates over an ambient temperature range of -40 to +85.

          PIN CONFIGURATIONS

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          FEATURES
          • 2.5W into 3Ω Load from 5V Power Supply at THD+N = 1% (Typical, per Channel)

          • 2.1W into 4Ω Load from 5V Power Supply at THD+N = 1% (Typical, per Channel)

          • 1.3W into 8Ω Load from 5V Power Supply at THD+N = 1% (Typical, per Channel)

          • Low Shutdown Current: 0.03μA

          • Operation Supply Voltage: 2.8V to 5.5V

          • Stereo Headphone Amplifier Mode

          • “Pop/Click” Suppression Circuitry

          • Unity-Gain Stable

          • Thermal Shutdown Protection Circuitry

          • -40 to +85 Operating Temperature Range

          • Available in Green TSSOP-20 (Exposed Pad), TQFN-3×3-20L, TSSOP-16 (Exposed Pad), SOIC-16 and DIP-16 Packages

          APPLICATIONS

          Multimedia Monitors

          Portable and Desktop Computers

          Portable Televisions

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM4863YPTS20G/TRProductionTSSOP-20 (Exposed Pad)20Y-40℃ to +85℃
          SGM4863YTQG20G/TRProductionTQFN-3×3-20L20Y-40℃ to +85℃
          SGM4863YPTS16/TRProductionTSSOP-16 (Exposed Pad)16Y-40℃ to +85℃
          SGM4863YS16/TRProductionSOIC-1616Y-40℃ to +85℃
          SGM4863YP16ProductionDIP-1616Y-40℃ to +85℃

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