ADT7481ARMZ-001 ON Semiconductor, ADT7481ARMZ-001 Datasheet - Page 2

• Manufacturer Part Number: ADT7481ARMZ-001
• Description: IC SENSOR TEMP 2CH ALARM 10MSOP
• Manufacturer: ON Semiconductor

Specifications of ADT7481ARMZ-001

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Temperature Sensor Function: Temp Sensor
• Interface Type: Serial (2-Wire)
• Package Type: MSOP
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Full Temp Accuracy: +/- 2.5 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Maximum Operating Temperature: + 127 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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:
ABSOLUTE MAXIMUM RATINGS
THERMAL CHARACTERISTICS
Positive Supply Voltage (V
D+
D− to GND
SCLK, SDATA, ALERT, THERM
Input Current, SDATA, THERM
Input Current, D−
ESD Rating, All Pins (Human Body Model)
Maximum Junction Temperature (T
Storage Temperature Range
IR Reflow Peak Temperature
IR Reflow Peak Temperature for Pb−Free
Lead Temperature, Soldering (10 sec)
10−Lead MSOP
D1+
D1–
D2+
D2–
2
3
7
8
This device is ESD sensitive. Use standard ESD precautions when handling.
ON−CHIP TEMP
SENSOR
ANALOG
ADT7481
MUX
EXTERNAL DIODES OPEN−CIRCUIT
V
1
DD
BUSY
11−BIT A−TO−D
CONVERTER
DD
GND
) to GND
6
RUN/STANDBY
Parameter
REMOTE 1 AND 2 TEMP
REMOTE 1 AND 2 TEMP
J
LOCAL TEMPERATURE
OFFSET REGISTERS
VALUE REGISTERS
CONVERSION RATE
max)
VALUE REGISTER
Package Type
REGISTER
Figure 1. Functional Block Diagram
SMBUS INTERFACE
http://onsemi.com
SDATA
STATUS REGISTERS
9
2
SCLK
10
−0.3 to V
−0.3 to +3.6
THERM LIMIT REGISTER
THERM LIMIT REGISTER
HIGH LIMIT REGISTERS
−0.3 to +3.6
−0.3 to +0.6
−65 to +150
LOCAL TEMPERATURE
LOCAL TEMPERATURE
LOCAL TEMPERATURE
REMOTE 1 AND 2 TEMP
REMOTE 1 AND 2 TEMP
LOW LIMIT REGISTERS
REMOTE 1 AND 2 TEMP
HIGH LIMIT REGISTER
LOW LIMIT REGISTER
−1 to +50
ADDRESS POINTER
THERM
Rating
CONFIGURATION
1500
150
220
260
300
±1
REGISTERS
4
REGISTER
ONE−SHOT
REGISTER
DD
142
q
JA
+ 0.3
INTERRUPT
MASKING
43.74
q
JC
8
ALERT/THERM2
Unit
mA
mA
°C
°C
°C
°C
°C
V
V
V
V
V
°C/W
Unit