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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45F23 датащи(PDF) 17 Page - Holtek Semiconductor Inc |
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HT45F23 датащи(HTML) 17 Page - Holtek Semiconductor Inc |
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17 / 152 page  Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions tSST3 System start-up timer period (With fast start-up) of XTAL/TBC ¾ wake-up from Idle mode (fSL=fTBC) ¾ 12 tTBC (Note 2) tSST4 System start-up timer period (With fast start-up) of XTAL/TBC ¾ wake-up from Idle mode (fSL=fRC32K) ¾ 12 tRC32K (Note 3) tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms tAD A/D Clock Period ¾¾ 0.5 ¾¾ ms tADC A/D Conversion Time (Note 5) ¾¾ ¾ 16 ¾ tAD tON2ST A/D on to A/D Start ¾ 2.7V~5.5V 2 ¾¾ ms Note: 1. tSYS=1/fSYS;tSUB = 1/fSUB 2. tTBC is period of 32768, 32768 oscillator will not stop at Idle mode. 3. tRC32K is period of internal 32K RC, LIRC will not stop at Idle mode. 4. For fERC, as the resistor tolerance will influence the frequency a precision resistor is recommended. 5. ADC conversion time (tAD)=n (bits ADC) + 4 (sampling time), The conversion for each bit needs one ADC clock (tAD). OP Amplifier Electrical Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions D.C. Characteristic VDD Operating voltage ¾¾ 2.2 ¾ 5.5 V IDD Quiescent current (HT45F23) 5V No load ¾ 200 350 mA Quiescent current (HT45F43) ¾ 1.5 4.0 mA ICC Supply Current Per Single Amplifier (Includes Bandgap Current Consumption) (HT45F43) 3V AV=1, AxP=VDD, no load ¾ 913 mA VOPOS1 Input offset voltage 5V AxOF4~0=(10000) -15 ¾ +15 mV VOPOS2 Input offset voltage 5V By calibration -4 ¾ +4 mV IOPOS Input offset current ¾ VDD=5V, VCM=1/2VDD, Ta= -40~85°C ¾ 10 ¾ nA VCM Common Mode Voltage Range ¾¾ VSS ¾ VDD -1.4 V PSRR Power Supply Rejection Ratio ¾¾ 58 80 ¾ dB CMRR Common Mode Rejection Ratio ¾ VDD=5V VCM=0~VDD -1.4V 58 80 ¾ dB A.C. Characteristic AOL Open Loop Gain ¾¾ 60 80 ¾ dB SR Slew Rate+, Rate -¾ No load ¾ 0.01 ¾ V/ ms GBW Gain Band Width (HT45F23) ¾ RL=1M W, CL=100pF 100k 2M ¾ kHz Gain Band Width (HT45F43) 2.5 5.0 ¾ kHz HT45F23/HT45F43 8-Bit Flash MCU with Op Amps & Comparators Rev. 1.20 17 September 15, 2011 Ta=25 °C |
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