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SGM4995

SGM4995
所属分类
音频放大器
目标应用
便携式系统无线手机移动电话掌上电脑PDAs全球定位系统

The SGM4995 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 to an 8Ω load with less than 1% distortion (THD+N) from a 5V battery voltage. It operates from 2.5V to 5.5V power supply.
 The SGM4995 features a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by logic low. Additionally, the SGM4995 features an internal thermal shutdown protection mechanism.
 The SGM4995 contains advanced pop & click circuitry, a minimal count of external components and low-power shutdown mode. All these features make SGM4995 ideal for wireless handsets and other low voltage applications where minimal power consumption is a primary requirement.
The SGM4995 is available in Green TDFN-2×2-8L package. It operates over an ambient temperature range of -40℃ to +85℃.

Fully Differential Amplifier
Excellent PSRR: Direct Connection to the Battery
1.3W to 8Ω Load from 5V Supply at THD+N = 1% (TYP)
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
Green TDFN-2×2-8L Package

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