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NCT1008CMT3R2G +BOM

±1°C Digital Temperature Sensor with Series Resistance Cancellation

Manufacturer:

onsemi
Mfr.Part #:

NCT1008CMT3R2G
Datasheet:

NCT1008CMT3R2G Datasheet (PDF)
Output Type:

Digital
Configuration:

Local, Remote
Accuracy:

+/- 2.5 C
Supply Voltage - Min:

2.8 V
EDA/CAD Models:

Request Free CAD Models for NCT1008CMT3R2G

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NCT1008CMT3R2G General Description

The NCT1008 is a versatile, dual-channel digital temperature sensor designed for use in applications with high thermal density. One of its key features is the ability to automatically cancel up to 1.5 kΩ of resistance in series with the temperature monitoring diode, allowing for effective noise filtering. The sensor also offers a configurable ALERT output and a switchable temperature measurement range, providing flexibility for various monitoring needs. With a high level of accuracy, the NCT1008 can measure the temperature of a remote thermal diode to within ±1°C and ambient temperature to within ±3°C. Additionally, it communicates over a 2-wire serial interface, complying with SMBus/I2C standards. The default SMBus/I2C address of the NCT1008 is 0x4C, but an alternative version, the NCT1008D, is available with a different address, 0x4D, catering to scenarios where multiple NCT1008 sensors are used within the same system

Key Features

On-chip and remote temperature sensor
0.25°C resolution/1°C accuracy on remote channel
1°C resolution/1°C accuracy on local channel
Automatically cancels up to 1.5 kΩ (typical) of resistance in series with remote diode to allow noise filtering
Extended, switchable temperature measurement range 0°C to +127°C (default) or 64°C to +191°C
2-wire SMBus serial interface with SMBus alert support
Programmable over/under temperature limits
Offset registers for system calibration
Up to two overtemperature fail-safe THERM outputs
Remote THERM Limit of 108°C
Compatible with 1.8 V Logic

Application

Thermal Management

Specifications

Product Category	Board Mount Temperature Sensors	Output Type	Digital
Configuration	Local, Remote	Accuracy	+/- 2.5 C
Supply Voltage - Min	2.8 V	Supply Voltage - Max	3.6 V
Interface Type	2-Wire, I2C, Serial, SMBus	Resolution	8 bit
Minimum Operating Temperature	- 55 C	Maximum Operating Temperature	+ 150 C
Shutdown	Shutdown	Mounting Style	SMD/SMT
Operating Supply Current	240 uA	Output Current	240 uA
Product	Temperature Sensors	Product Type	Temperature Sensor ICs
Series	NCT1008	Factory Pack Quantity	3000
Subcategory	Sensors	Type	Digital Temperature Sensor