ADT7461AON-CHIPCONVERSION RATEADDRESS POINTERTEMPERATUREREGISTERREGISTERSENSORLOCAL TEMPERATURELOCAL TEMPERATUREVALUE REGISTERLOW-LIMIT REGISTERLOCAL TEMPERATURED+ 2ANALOGA-TO-DHIGH-LIMIT REGISTERAL MUXLIMITMUXCONVERTERCOMPARATORREMOTE TEMPERATURED− 3BUSYRUN/STANDBYDIGITLOW-LIMIT REGISTERAL MUXREMOTE TEMPERATUREREMOTE TEMPERATUREVALUE REGISTERHIGH-LIMIT REGISTERDIGITLOCAL THERM LIMITREGISTERREMOTE OFFSETEXTERNAL THERM LIMITREGISTERREGISTERCONFIGURATIONREGISTEREXTERNAL DIODE OPEN-CIRCUITALERT/INTERRUPT6STATUS REGISTERTHERM2MASKING4 THERMADT7461ASMBUS INTERFACE1578VDDGNDSDATASCLKFigure 1. Functional Block DiagramTable 1. ABSOLUTE MAXIMUM RATINGSParameterRatingUnit Positive Supply Voltage (VDD) to GND −0.3, +3.6 V D+ −0.3 to VDD + 0.3 V D− to GND −0.3 to +0.6 V SCLK, SDATA, ALERT, THERM −0.3 to +3.6 V Input Current, SDATA, THERM −1, +50 mA Input Current, D− ±1 mA ESD Rating, All Pins (Human Body Model) 1500 V Maximum Junction Temperature (TJ Max) 150 °C Storage Temperature Range −65 to +150 °C 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. Table 2. THERMAL CHARACTERISTICSPackage TypeqJAqJCUnit 8-Lead MSOP 142 43.74 °C/W http://onsemi.com2