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ADT7462ACPZ-R7 데이터시트(PDF) 2 Page - ON Semiconductor |
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ADT7462ACPZ-R7 데이터시트(HTML) 2 Page - ON Semiconductor |
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2 / 81 page ![]() ADT7462 http://onsemi.com 2 Figure 1. Functional Block Diagram SMBus ADDRESS SELECTION SERIAL BUS INTERFACE VID REGISTER PWM REGISTERS ADDRESS POINTER REGISTER PWM CONFIGURATION REGISTERS INTERRUPT MASKING RESET CIRCUIT GPIO STATUS AND CONFIGURATION REGISTERS SCSI STATUS PERFORMANCE MONITORING THERMAL PROTECTION INPUT SIGNAL CONDITIONING AND ANALOG MULTIPLEXER BAND GAP TEMPERATURE SENSOR VID0 TO VID6 PWM1 TO PWM4 TACH1 TO TACH8 VR_HOT2 VR_HOT1 THERM2 THERMAL DIODE INPUTS VOLTAGE INPUTS ADT7462 VALUE AND LIMIT REGISTERS LIMIT COMPARATORS INTERRUPT STATUS REGISTERS AUTOMATIC FAN SPEED CONTROL ACOUSTIC ENHANCEMENT CONTROL DYNAMIC TMIN CONTROL 13−BIT ADC BAND GAP REFERENCE GPIO1 TO GPIO8 RESET CI GND ADD SCL SDA ALERT FAN SPEED COUNTER FAN2MAX THERM1 SCSI_TERM1 AND SCSI_TERM2 ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit Supply Voltage 6.5 V Voltage on +12V Pin 20 V Voltage on VBATT Pin 4.0 V Voltage on Any Other Input or Output Pin −0.3 to +6.5 V Input Current at Any Pin ±5 mA Package Input Current ±20 mA Maximum Junction Temperature (TJMAX) 150 °C Operating Temperature Range −40 to +125 °C Storage Temperature Range −65 to +150 °C Lead Temperature, Soldering Lead Temperature (Soldering, 10 sec) IR Reflow Peak Temperature 300 260 °C ESD Rating 1500 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. NOTE: This device is ESD sensitive. Use standard ESD precautions when handling. THERMAL CHARACTERISTICS Package Type qJA qJC Unit 32−Lead LFCSP_VQ 32.5 32.71 °C/W 1. qJA is specified for the worst−case conditions, that is, a device soldered in a circuit board for surface−mount packages. |
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