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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45RM03 датащи(PDF) 5 Page - Holtek Semiconductor Inc |
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HT45RM03 датащи(HTML) 5 Page - Holtek Semiconductor Inc |
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5 / 54 page  A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS System Clock ¾ 2.2V~5.5V 400 ¾ 4000 kHz ¾ 3.3V~5.5V 400 ¾ 8000 kHz ¾ 4.5V~5.5V 400 ¾ 12000 kHz fTIMER Timer I/P Frequency (TMR0/TMR1) ¾¾ 0 ¾ 4000 kHz tWDTOSC Watchdog Oscillator Period 3V ¾ 45 90 180 ms 5V ¾ 32 65 130 ms tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tSST System Start-up Timer Period ¾ Wake-up from HALT ¾ 1024 ¾ *tSYS tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms tAD A/D Clock Period ¾¾ 1 ¾¾ ms tADC A/D Conversion Time ¾¾ ¾ 72 ¾ tAD tADCS A/D Sampling Time ¾¾ ¾ 32 ¾ tAD tLVR Low Voltage Width to Reset ¾¾ 0.25 1 2 ms Note: *tSYS=1/fSYS OP Amplifier Electrical Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions D.C. Electrical Characteristic VDD Operating Voltage ¾¾ 3 ¾ 5.5 V VOS Input Offset Voltage 5V By calibration -5 ¾ 5mV VCM Common Mode Voltage Range ¾¾ VSS ¾ VDD -1.4 V PSRR Power Supply Rejection Ratio ¾¾ 60 ¾¾ dB CMRR Common Mode Rejection Ratio ¾ VDD=5V VCM=0~VDD -1.4V 60 ¾¾ dB A.C. Electrical Characteristic AOL Open Loop Gain ¾¾ 60 80 ¾ dB SR Slew Rate+, Rate -¾ No load ¾ 1 ¾ V/ ms GBW Gain Band Width ¾ RL=1MW, CL=100pF ¾¾ 100 kHz Comparator Electrical Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾¾ 3 ¾ 5.5 V VOS Comparator Input Offset Voltage 5V By calibration -5 ¾ 5mV VCM Comparator Common Mode Voltage Range ¾¾ 0 ¾ VDD -1.4 V tPD Comparator Response Time ¾¾ ¾ ¾ 2 ms HT45RM03 Rev. 1.10 5 February 16, 2007 |
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