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ACS70310 датащи(PDF) 17 Page - Allegro MicroSystems |
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ACS70310 датащи(HTML) 17 Page - Allegro MicroSystems |
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17 / 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 17 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Table 1: Programming Parameters, CBYPASS = 0.1 µF, VCC = 5 V Characteristics Symbol Note Min. Typ. Max. Unit Program Enable Voltage (High) VprgH Program enable signal high level on VCC – 9.2 – V Program Enable Voltage (Low) VprgL Program enable signal low level on VCC – 6.5 – V Output Enable Delay te External capacitance (CLX) on VOUT may increase the Output Enable Delay – 125 – µs Program Time Delay td – 74 – µs Program Write Delay tw – 20 – ms Manchester High Voltage VMAN(H) Data pulses on VOUT 4 5 VCC V Manchester Low Voltage VMAN(L) Data pulses on VOUT 0 – 1 V Bit Rate tBITR Communication rate 1 30 100 kbps Bit Time tBIT Data bit pulse width at 30 kbps – (33) – µs Access Code Timeout tACC 10 ms VOUT (Output) VOUT (Input) External Control VCC V prgH High Z Access Code High Z High Z Normal Output Normal Output V prgL 5 V 5 V 0 V 0 V t d t e Figure 14: Write Access Code Figure 15: Write Volatile Memory VOUT (Output) VOUT (Input) External Control VCC V prgH High Z High Z High Z Normal Output Normal Output V prgL 5 V 5 V 0 V 0 V t d t e Data Write Command Figure 16: Write Non-Volatile Memory VOUT (Output) VOUT (Input) External Control VCC V prgH High Z High Z High Z Normal Output Normal Output V prgL 5 V 5 V 0 V 0 V t d t e Data Write Command t w t d VCC Figure 17: Read VOUT (Output) VOUT (Input) External Control VCC V prgH High Z High Z High Z Normal Output Normal Output V prgL 5 V 5 V 0 V 0 V t d t e Data Read Command t d VCC |
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