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HT7612 датащи(PDF) 3 Page - Holtek Semiconductor Inc |
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HT7612 датащи(HTML) 3 Page - Holtek Semiconductor Inc |
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3 / 18 page ![]() Absolute Maximum Ratings Supply Voltage ...........................VSS -0.3V to VSS+6.0V Storage Temperature ............................ -50°Cto125°C Input Voltage..............................VSS -0.3V to VDD+0.3V Operating Temperature........................... -40°Cto85°C Zero Crossing Current ................................Max. 300 mA Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Electrical Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions VDD Operating Voltage ¾¾ 3.3 4.0 5.5 V VREF Reference Voltage - see Note 5V Cf=1 mF 3.201 3.300 3.399 V IREF Driving Current 5V ¾ 200 ¾¾ mA ISTB Standby Current 5V DT off, OPAMP off ¾ 15 20 mA IOH1 TRIAC Source Current 5V VOH=4.5V -20 -40 ¾ mA IOL1 TRIAC Sink Current 5V VOL=0.5V 20 40 ¾ mA IOH2 BUZ & BUZ Source Current 5V VOH=4.5V -5 -10 ¾ mA IOL2 BUZ & BUZ Sink Current 5V VOL=0.5V 10 20 ¾ mA IOH3 RELAY/LED Source Current 5V VOH=4.5V -5 -10 ¾ mA IOL3 RELAY/LED Sink Current 5V VOL=0.5V 10 20 ¾ mA VIH MODE High Input Voltage ¾¾ 0.7VDD ¾¾ V VIL MODE Low Input Voltage ¾¾ ¾ ¾ 0.3VDD V VTH1 ZC High Transfer Voltage ¾¾ 0.7VDD ¾¾ V VTL1 ZC Low Transfer Voltage ¾¾ ¾ ¾ 0.3VDD V VOS OP Amp Input Offset Voltage 5V CL=10pF ¾ 10 ¾ mV fSYS System Oscillator Frequency - IRC 5V ¾ 28.8 32.0 35.2 kHz fDT Delay Time Frequency - ERC ¾ VREF,RDT=30k W, CDT=3000pF 15.2 16.0 16.8 kHz AVO OP Amp Open Loop Gain 5V RL=510k W to VSS 60 80 ¾ dB GBW OP Amp Gain Band Bandwidth 5V RL=510k W,CL=100pF 2.5 5.0 ¾ kHz VH High Level Comparator Window 5V 1/2VREF +1/6VREF 1.98 2.20 2.42 V VL Low Level Comparator Window 5V 1/2VREF - 1/6VREF 0.99 1.10 1.21 V Note: When VDD is less than 3.4V, then the VREF voltage will be equal to VDD. If the VREF voltage is less than the PIR working voltage, then the PIR sensor will not work normally. HT7612 Rev. 1.20 3 February 9, 2010 |
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