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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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ES51945 Arkusz danych(PDF) 11 Page - Cyrustek corporation |
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ES51945 Arkusz danych(HTML) 11 Page - Cyrustek corporation |
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11 / 30 page  v2.3 10/06/25 11 ES51945(5000counts) Dual Display/No Cap During voltage measurement is in operation (DCV or ACV), the HV indication will be active when input voltage is larger than 30V or OL in manual range. The HV indication includes: HV warning LCD segment active Buzzer output active if DIS_DGB (pin107) is kept floating ALARM (pin91) LED output active. 2.2.2 NCV mode ES51945 supports a non-contact AC voltage measurement, which is called electric field measurement also. The EF mode is selected by setting function control mode FC1-FC4 = [1,0,0,1]. The ADC input is configured from ADP pin vs. SGND. When no or less electric field is detected, the first-display LCD shows “EF” and the second-display LCD shows “Blank”. If the electric field is detected, the strength will be showed on the second-display LCD by “-“ not digits type. Level 1(equivalent to 12.5% full scale of ADC) is “-“ and the level 4(equivalent to 100% full scale of ADC) is “----“. Additional beeper (BUZOUT pin) and LED alarm (ALARM pin) will be output from ES51945. The frequency of buzzer and LED alarm depends on the strength of electric field also. The Faster beeper means the stronger electric field (AC voltage) is sensed. E F ---- E F - E F -- E F --- MANU MANU MANU MANU LEVEL 1 (12.5%) LEVEL 2 (25%) LEVEL 3 (50%) LEVEL 4 (100%) E F ---- E F - E F -- E F --- MANU MANU MANU MANU LEVEL 1 (12.5%) LEVEL 2 (25%) LEVEL 3 (50%) LEVEL 4 (100%) ADP 88M EF test circuit EFin+ 100k SGND AGND EFin- VA- -400mV |
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