ADT7461AR ON Semiconductor, ADT7461AR Datasheet - Page 6

• Manufacturer Part Number: ADT7461AR
• Description: IC TEMP MONITOR +/-1C DUAL 8SOIC
• Manufacturer: ON Semiconductor

Specifications of ADT7461AR

• Rohs Status: RoHS non-compliant
• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: 0°C ~ 127°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)

ADT7461
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
Mnemonic
V
D+
D−
THERM
GND
ALERT/THERM2
SDATA
SCLK
DD
Description
Positive Supply, 3 V to 5.5 V.
Positive Connection to Remote Temperature Sensor.
Negative Connection to Remote Temperature Sensor.
Open-drain output that can be used to turn a fan on/off or throttle a CPU clock in the event of an
overtemperature condition. Requires pull-up to V
Supply Ground Connection.
Open-Drain Logic Output Used as Interrupt or SMBus Alert. This may also be configured as a second THERM
output. Requires pull-up resistor.
Logic Input/Output, SMBus Serial Data. Open-Drain Output. Requires pull-up resistor.
Logic Input, SMBus Serial Clock. Requires pull-up resistor.
THERM
V
D+
DD
D–
1
2
3
4
Figure 3. Pin Configuration
(Not to Scale)
ADT7461
TOP VIEW
Rev. B | Page 6 of 24
8
7
6
5
SCLK
SDATA
ALERT/THERM2
GND
DD
.