Invention Application
US20120146719A1 Amplifier with reduced on/off transient and multi-point offset compensation 有权
具有减小的开/关瞬变和多点偏移补偿的放大器

Amplifier with reduced on/off transient and multi-point offset compensation
Abstract:
Disclosed is an amplifier designed to substantially reduce an ON/OFF transient. The amplifier comprises a drive block that includes a pre-driver and an output stage. The amplifier also comprises a bypass circuit that is coupled to an output of the pre-driver. The bypass circuit of the amplifier is selectively activated to reduce the ON/OFF transient. The bypass circuit may comprise an auxiliary output stage that can be coupled to provide selective activation. The amplifier may also be configured to provide multi-point offset compensation. Also disclosed is a related method. The amplifier and the related method may be incorporated into an audio amplifier used in a cellular telephone or other mobile audio device.
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