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Monolithic voltage reference device with internal, multi-temperature drift data and related testing procedures
Monolithic voltage reference device with internal, multi-temperature drift data and related testing procedures
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机译:具有内部,多温度漂移数据和相关测试程序的整体式电压基准设备
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摘要
A testing procedure may determine whether a monolithic voltage reference device meets a temperature drift specification. A first non-room temperature output voltage of the monolithic voltage reference device may be measured while the monolithic voltage reference device is at a first non-room temperature which is substantially different than room temperature. First non-room temperature information may be stored in a memory within the monolithic voltage reference device which is a function of the first non-room temperature output voltage. A second non-room temperature output voltage of the monolithic voltage reference device may be measured while the monolithic voltage reference device is at a second non-room temperature which is substantially different than the room temperature and the first non-room temperature. Second non-room temperature information may be stored in the memory without destroying the first non-room temperature information which is a function of the second non-room temperature output voltage. A determination may be made whether the monolithic voltage reference device meets the temperature drift specification based on a computation that is a function of both the first non-room temperature information and the second non-room temperature information.
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