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TCA965B Arkusz danych(PDF) 2 Page - Infineon Technologies AG |
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TCA965B Arkusz danych(HTML) 2 Page - Infineon Technologies AG |
2 / 17 page TCA 965 B Semiconductor Group 2 1998-02-10 Functional Description Amplifier Amp 3 increases the voltage of the reference source R to V Stab = 2 x VREF. The amplification factor can be altered by external wiring. With direct setting of the window, the input voltage appears on amplifier Amp 1 ( V 8), the upper edge voltage on comparator K2 ( V 6) and the lower edge voltage on comparator K1 (V7). With indirect setting of the window, the input voltage appears on inputs V 6 and V7, while the center voltage is connected to amplifier A1 ( V 8). The voltage applied to the input ( V 9) of amplifier Amp 2 is subtracted symmetrically from the output voltage of amplifier Amp 1 and added. The comparators switch with hysteresis. The logic gates have open-collector outputs. If the inhibit input A or B is connected to ground, output A or B will always be high. Block Diagram Outputs A, B, C, D are open-collector IEB00091 20 k Ω 20 k Ω Amp 3 R _ + _ + + _ K1 K2 Amp 1 Amp 2 1 1 1 1 V = 1 V = 1 11 1 5 S + VV REF 2 10 4 13 3 12 14 V Stab A Inhibit A C D Inhibit B B 7 8 9 6 V 7 V 8 V 9 V 6 _ < |
Podobny numer części - TCA965B |
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Podobny opis - TCA965B |
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