LM95245CIMM/NOPB National Semiconductor, LM95245CIMM/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM95245CIMM/NOPB
• Description: IC TEMP SENSE DIGITAL W/TT 8MSOP
• Manufacturer: National Semiconductor
• Series: TruTherm®r

Specifications of LM95245CIMM/NOPB

• Function: Hardware Monitor
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 85°C, External Sensor
• Output Type: SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Ic Output Type: Digital
• Sensing Accuracy Range: ± 3°C
• Temperature Sensing Range: -40°C To +125°C
• Supply Current: 350µA
• Supply Voltage Range: 3V To 3.6V
• Rohs Compliant: Yes
• Temperature Sensor Function: Temp Sensor
• Interface Type: Serial (2-Wire)
• Package Type: MSOP
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• For Use With: LM95245EB - BOARD EVALUATION FOR LM95245
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM95245CIMMTR

Pin Descriptions
Typical Application
Number
Pin
1
2
3
4
5
6
7
8
SMBDAT
SMBCLK
T_CRIT
OS/A0
Name
GND
V
D+
D-
DD
Analog Input/Output Positive input from the thermal diode.
Analog Input/Output Negative input from the thermal diode.
Digital Input/Output
Digital Input/Output SMBus interface data pin. Open-drain output requires pull-up resistor.
Digital Output
Digital Input
Ground
Power
Type
Device power supply. Requires bypass capacitor of 10 µF in parallel with 0.1
µF and 100 pF. Place 100 pF closest to device pin.
Critical temperature output. Open-drain output requires pull-up resistor.
Active “LOW”.
Device ground.
Over-temperature shutdown comparator output or SMBus slave address
input. Defaults as an SMBus slave address input that selects one of three
addresses. Can be tied to V
connected between V
output it is active “Low” and open drain.
SMBus interface clock pin.
3
DD
Function and Connection
and GND. When programmed as an OS comparator
DD
, GND, or to the middle of a resistor divider
30015103
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