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                  帕智電子(上海)有限公司

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                  SGM4810

                  Dual 158mW Headphone Amplifier with Active High Shutdown Mode
                   
                  Dual 158mW Headphone Amplifier with Active High Shutdown Mode
                  GENERAL DESCRIPTION

                  The SGM4810 is a dual audio power amplifier capable of delivering 158mW per channel of continuous average power with typically 0.1% distortion (THD+N) when it drives a 16Ω speaker from a 5.0V power supply. It is designed to maximize audio performance in portable applications such as mobile phone. The portable application requires audio power amplifier has minimum of external components and can operate from a single 2.5V to 5.5V power supply.

                  SGM4810 features an externally controlled, active-high, micro-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.

                  The SGM4810 does not require bootstrap capacitors or snubber networks. It is optimally suited for low power portable systems.

                  For maximum flexibility, the SGM4810 provides an externally controlled gain (with resistors), as well as an externally controlled turn-on time (with the bypass capacitor).

                  The SGM4810 is available in a Green MSOP-8 package. It operates over an ambient temperature range of -40 to +85.

                  PIN CONFIGURATIONS

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                  FEATURES
                  • Active-High Shutdown Mode

                  • 158mW into 16Ω Load from 5V Power Supply at THD+N = 0.1% (Typical, per Channel)

                  • 87mW into 32Ω Load from 5V Power Supply at THD+N = 0.1% (Typical, per Channel)

                  • Unity Gain Stable

                  • 2.5V to 5.5V Operation

                  • Shutdown Pin is Compatible with 1.8V Logic

                  • Shutdown Current: 0.5μA (TYP)

                  • Pop/Click Reduction Circuitry

                  • -40 to +85 Operating Temperature Range

                  • Available in a Green MSOP-8 Package

                  APPLICATIONS

                  Portable Systems

                  Headphone Amplifier

                  Microphone Preamplifier

                  Notebook Computers

                  Mobile Phone

                  PDAs

                  GPS

                  ORDERING INFORMATION
                  Part NumberStatusPackagePinsPb-FreeTemp Range
                  SGM4810YMS/TRProductionMSOP-88Y-40℃ to +85℃

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