Temperature Sensors | NCT375

Digital Temperature Sensor with 2‐wire Interface and SMBus Time-Out

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The NCT375 is a two-wire serially programmable temperature sensor with an over-temperature/interrupt output pin to signal out of limit conditions. This is an open-drain pin and can operate in either comparator or interrupt mode. Temperature measurements are converted into digital form using a high resolution (12 bit), sigma-delta, analog-to-digital converter (ADC). The device operates over the –55°C to +125°C temperature range.

  • Computer Thermal Monitoring
  • Thermal Protection
  • Isolated Sensors
  • Battery Management
  • Office Electronics
  • Electronic Test Equipment
  • Thermostat Controls
  • System Thermal Management

  • 12-bit Temperature-to-Digital Converter
  • Input Voltage Range from 3.0 V to 5.5 V
  • Temperature Range from −55°C to +125°C
  • SMBus/I2C Interface
  • SMBUS time-out of 75ms to 325ms
  • Overtemperature Indicator
  • Support for SMBus/ALERT
  • Shutdown Mode for Low Power Consumption
  • One-shot Mode
  • Available in 8−pin Micro8, SOIC8 and DFN8 Packages
  • These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant

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MSL Temp (°C)

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ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Temperature Error (°C)

Reference Price

NCT375DR2G

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CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Local

SMBus

0.575

3

5.5

-55

125

±1

$0.377

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NCT375MNR2G

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CAD Model

Pb

A

H

P

DFN-8

506AA

1

260

REEL

3000

Y

Local

SMBus

0.575

3

5.5

-55

125

±1

$0.3565

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可靠性数据

Die Related Summary Data

Device: NCT375DR2G

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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