Invention Grant
US07705671B1 Audio amplifier having an input stage with a supply-independent reference voltage
有权
音频放大器具有输入级，具有独立于电源的参考电压
- Patent Title: Audio amplifier having an input stage with a supply-independent reference voltage
- Patent Title (中): 音频放大器具有输入级，具有独立于电源的参考电压
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Application No.: US11460931Application Date: 2006-07-28
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Publication No.: US07705671B1Publication Date: 2010-04-27
- Inventor: Sumant Bapat , Ansuya Bhatt , Christopher B. Heithoff , Raminder Jit Singh
- Applicant: Sumant Bapat , Ansuya Bhatt , Christopher B. Heithoff , Raminder Jit Singh
- Applicant Address: US CA Santa Clara
- Assignee: National Semiconductor Corporation
- Current Assignee: National Semiconductor Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Darby & Darby P.C.
- Agent Matthew M. Gaffney
- Main IPC: H03F3/38
- IPC: H03F3/38 ; H03F3/45
Abstract:
An input stage for an audio power amplifier is provided. The input stage includes a fully differential amplifier and a supply-independent reference voltage generator. The supply-independent reference voltage generator provides a supply-independent reference voltage that is used as the common mode voltage of the output of the fully differential amplifier.
Information query
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