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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACS70310 датащи(PDF) 10 Page - Allegro MicroSystems |
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ACS70310 датащи(HTML) 10 Page - Allegro MicroSystems |
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10 / 27 page  Very High Precision, Programmable Linear Hall-Effect Sensor IC with Reverse Battery Protection and High-Bandwidth (240 kHz) Analog Output for Core-Based Current Sensing ACS70310 10 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Power-On Reset Voltage (VPOR) On power-up, to initialize to a known state and avoid current spikes, the ACS70310 is held in a reset state. The reset signal is disabled when VCC reaches VPORH and time tPORR has elapsed, allowing the output voltage to go from a high-impedance state into normal operation. During power-down, the reset signal is enabled when VCC reaches VPORL, causing the output voltage to go into a high-impedance state. (Note that a detailed description of POR can be found in the Functional Description section). Power-On Reset Release Time (tPORR) When VCC rises to VPORH, the Power-On Reset counter starts. The ACS70310 output voltage will transition from a high-imped- ance state to normal operation only when the Power-On Reset Counter has reached tPORR and VCC has been maintained above VPORH. Output Saturation Voltage (VSAT) When output voltage clamps are disabled, the output voltage can swing to a maximum of VSAT(HIGH) and to a minimum of VSAT(LOW) . Broken Wire Voltage (VBRK) If the GND pin is disconnected (broken wire event), the output voltage will go to VBRK(HIGH) (if a load resistor is connected to VCC) or to VBRK(LOW) (if a load resistor is connected to GND). Mold Ejector Pin Indent Branded Face Magnetic Flux Direction Causing the Output to Increase Figure 7: Magnetic Flux Polarity |
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