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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45FM2C датащи(PDF) 17 Page - Holtek Semiconductor Inc |
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HT45FM2C датащи(HTML) 17 Page - Holtek Semiconductor Inc |
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17 / 171 page  Rev. 1.10 16 �a� �0� �01� Rev. 1.10 17 �a� �0� �01� HT45FM2C Brushless DC Motor Flash Type 8-Bit MCU HT45FM2C Brushless DC Motor Flash Type 8-Bit MCU Preliminar� Operational Amplifier Characteristics Ta=25˚C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions IOPR1 Operating Current 5V — — �50 — μA IOFF1 Power Down Current 5V — — — 0.1 μA VOPOS1 Input Offset Voltage 5V Without calibration� OPOF[�:0]=1000B -15 — +15 mV VOPOS� Input Offset Voltage 5V B� calibration -4 — +4 mV VC� Common �ode Voltage Range — — VSS — VDD-1.4V V PSRR Power Suppl� Rejection Ratio 5V — 60 80 — dB C�RR Common �ode Rejuction Ratio 5V VC�=0 ~ VDD-1.4V 60 80 — dB SR Slew Rate+� Slew Rate- 5V No load 1.8 �.5 — V/μs GBW Gain Band Width 5V RL =1MΩ, CL=100pF — �.5 — �Hz Comparator Electrical Characteristics Ta=25˚C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Condition IOPR0 Comparator operating voltage 5V — — �00 �00 μA IOFF0 Comparator power down current 5V — — — 0.1 μA VOS Comparator input offset voltage — — -10 — +10 mV VC� Comparator common mode input voltage range — — VSS — VDD-1.4V V tPD Comparator response time (100mV overdrive) — — — 4 8 μs Power on Reset Electrical Characteristics Ta=25˚C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Condition VPOR VDD Start Voltage to ensure Power-on Reset — — — — 100 mV RRVDD VDD Rise Rate to ensure Power-on Reset — — 0.0�5 — — V/ms tPOR �inimum Time for VDD to remain at VPOR to ensure Power-on Reset — — 1 — — ms Ti me V DD V PO R RR VD D t PO R |
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