Datenblatt-Suchmaschine für elektronische Bauteile |
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UPC277MP5-KAA-E1-A Datenblatt(PDF) 8 Page - NEC |
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UPC277MP5-KAA-E1-A Datenblatt(HTML) 8 Page - NEC |
8 / 12 page Data Sheet G17934EJ3V0DS 8 μPC277GR-9LG, μPC277MP-KAA, μPC393GR-9LG PRECAUTIONS FOR USE O The process of unused circuits If there is an unused circuit, the following connection is recommended. Process example of unused circuits V+ V− V− OUT (open) + − To potentials within the range of common-mode input voltage (VICM) O Ratings of input/output pin voltage When the voltage of input/output pin exceeds the absolute maximum rating, it may cause degradation of characteristics or damages, by a conduction of a parasitic diode within an IC. In addition, when the input/output pin may be lower than V−, it is recommended to make a clump circuit by a diode whose forward voltage is low (e.g.: Schottky diode) for protection. O Range of common-mode input voltage When the supply voltage does not meet the condition of electrical characteristics, the range of common-mode input voltage is as follows. VICM (TYP.): V− to V+ − 1.5 (V) (TA = 25°C) During designing, temperature characteristics for use with allowance. O Range of Input Current The “Input Bias Current [IB]” of the electric feature specification list is specified in accordance with the operation amplifier. It is an average value of the current that flows in the +input pin [IN] and the −input pin [II] when the differential amplified circuit of an input stage is balanced (negative feedback is provided). Therefore, because the differential amplified circuit of the input stage will not be balanced during comparison (when comparator is active), the input current will flow, with twice the amount of current, to a pin with low potential. O Handling of ICs When stress is added to ICs due to warpage or bending of a board, the characteristic fluctuates due to piezoelectric effect. Therefore, pay attention to warpage or bending of a board. <R> |
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