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          帕智電子(上海)有限公司

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          產品中心

          SGM4895

          1.3W Fully Differential Audio Power Amplifier
           
          1.3W Fully Differential Audio Power Amplifier
          GENERAL DESCRIPTION

          The SGM4895 is a fully differential audio power amplifier that is designed for portable communication device applications and demanding applications in mobile phones. It is capable of delivering 1.3W of continuous average power into an 8Ω load with typically 1% distortion (THD+N) from a 5V battery voltage. It operates from 2.5V to 5.5V power supply.

          The SGM4895 features a low power consumption shutdown mode. To facilitate this, shutdown may be enabled by logic low. Additionally, the SGM4895 features an internal thermal shutdown protection mechanism.

          The SGM4895 contains advanced pop/click circuitry, with a minimal amount of external components. All these features make SGM4895 ideal for wireless handsets and other low voltage applications where minimal power consumption is a primary requirement.

          The SGM4895 is available in Green TDFN-3×3-8L and MSOP-8 (Exposed Pad) packages. It operates over an ambient temperature range of -40 to +85.

          PIN CONFIGURATIONS

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          FEATURES
          • Fully Differential Amplifier

          • Excellent PSRR: Direct Connection to Battery

          • 1.3W into 8Ω Load from 5V Supply at THD+N = 1% (TYP)

          • 1.6W into 4Ω Load from 5V Supply at THD+N = 1% (TYP, SGM4895YDB8 Only)

          • 2.5V to 5.5V Operation

          • Low Shutdown Current

          • Improved Pop/Click Circuitry

          • Support Single-Ended or Differential Input

          • Thermal Overload Protection Circuitry

          • No Output Coupling Capacitors, Bootstrap Capacitors Required

          • External Gain Configuration Capability

          • -40 to +85 Operating Temperature Range

          • Available in Green TDFN-3×3-8L and MSOP-8 (Exposed Pad) Packages

          APPLICATIONS

          Portable Systems

          Wireless Handsets

          Mobile Phone

          Handheld Computers

          PDAs

          GPS

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM4895YDB8/TRProductionTDFN-3×3-8L8Y-40℃ to +85℃
          SGM4895YPMS8/TRProductionMSOP-8 (Exposed Pad)8Y-40℃ to +85℃

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