ADT7461A_13 Datasheet, PDF (2/19 Pages) ON Semiconductor – Temperature Monitor with Series Resistance Cancellation

ADT7461A
D+ 2
D− 3
ON-CHIP
TEMPERATURE
SENSOR
CONVERSION RATE
REGISTER
LOCAL TEMPERATURE
VALUE REGISTER
ANALOG
MUX
A-TO-D
CONVERTER
BUSY
RUN/STANDBY
REMOTE TEMPERATURE
VALUE REGISTER
REMOTE OFFSET
REGISTER
EXTERNAL DIODE OPEN-CIRCUIT
ADT7461A
LIMIT
COMPARATOR
STATUS REGISTER
ADDRESS POINTER
REGISTER
LOCAL TEMPERATURE
LOW-LIMIT REGISTER
LOCAL TEMPERATURE
HIGH-LIMIT REGISTER
REMOTE TEMPERATURE
LOW-LIMIT REGISTER
REMOTE TEMPERATURE
HIGH-LIMIT REGISTER
LOCAL THERM LIMIT
REGISTER
EXTERNAL THERM LIMIT
REGISTER
CONFIGURATION
REGISTER
INTERRUPT
MASKING
SMBUS INTERFACE
1
5
V_DD
GND
7
SDATA
8
SCLK
Figure 1. Functional Block Diagram
6 ^ALERT/
THERM2
4 THERM
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (V_DD) to GND
D+
D− to GND
−0.3, +3.6
V
−0.3 to V_DD + 0.3
V
−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 (T_J Max)
Storage Temperature Range
150
°C
−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 CHARACTERISTICS
Package Type
8-Lead MSOP
q_JA
q_JC
Unit
142
43.74
°C/W
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