ADM1023
ADDRESS POINTER
REGISTER
ONE ? SHOT
REGISTER
CONVERSION RATE
REGISTER
ON ? CHIP
TEMPERATURE
SENSOR
LOCAL TEMPERATURE
VALUE REGISTER
LOCAL TEMPERATURE
LOW ? LIMIT COMPARATOR
OFFSET
REGISTERS
LOCAL TEMPERATURE
LOW ? LIMIT REGISTER
D+ 3
D– 4
ANALOG
MUX
A ? TO ? D
CONVERTER
BUSY RUN/STANDBY
REMOTE TEMPERATURE
VALUE REGISTERS
LOCAL TEMPERATURE
HIGH ? LIMIT COMPARATOR
REMOTE TEMPERATURE
LOW ? LIMIT COMPARATOR
REMOTE TEMPERATURE
HIGH ? LIMIT COMPARATOR
LOCAL TEMPERATURE
HIGH ? LIMIT REGISTER
REMOTE TEMPERATURE
LOW ? LIMIT REGISTERS
REMOTE TEMPERATURE
HIGH ? LIMIT REGISTERS
EXTERNAL DIODE OPEN ? CIRCUIT
ADM1023
STATUS REGISTER
CONFIGURATION
REGISTER
INTERRUPT
MASKING
15
11
STBY
ALERT
SMBus INTERFACE
1
NC
2
V DD
5
NC
7
GND
8
GND
9
NC
13
NC
16
NC
12
SDATA
14
SCLK
10
ADD0
6
ADD1
NC = NO CONNECT
Figure 1. Functional Block Diagram
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Positive Supply Voltage (V DD ) to GND
D+, ADD0, ADD1
D ? to GND
SCLK, SDATA, ALERT, STBY
Input Current
Input Current, D ?
ESD Rating, All Pins (Human Body Model)
Continuous Power Dissipation
Up to 70 ? C
Derating Above 70 ? C
Operating Temperature Range
Maximum Junction Temperature (T J max)
Storage Temperature Range
Lead Temperature, Soldering (10 s)
IR Reflow Peak Temperature
IR Reflow Peak Temperature for Pb-Free
Rating
? 0.3 to +6.0
? 0.3 to V DD + 0.3
? 0.3 to +0.6
? 0.3 to +6.0
? 50
? 10
2000
650
6.7
? 55 to +125
150
? 65 to +150
300
220
260
Unit
V
V
V
mA
mA
V
mW
mW/ ? C
? C
? C
? C
? C
? C
? 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
16-Lead QSOP Package
Parameter
http://onsemi.com
2
Rating
q JA = 105 ? C/W, q JC = 39 ? C/W
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