STCN75

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Digital temperature sensor IC, thermal watchdog, high-precision

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  • The STCN75 is a high-precision digital CMOS temperature sensor IC with a sigma-delta temperature-to-digital converter and an I2C-compatible serial digital interface. It is targeted for general applications such as personal computers, system thermal management, electronics equipment, and industrial controllers, and is packaged in the industry-standard 8-lead TSSOP package.

    The device contains a bandgap temperature sensor and 9-bit ADC which monitor and digitize the temperature to a resolution up to 0.5 °C. The STCN75 is typically accurate to (±3 °C - max) over the full temperature measurement range of –55 °C to 125 °C with ±2 °C accuracy in the –25 °C to +100 °C range. The STCN75 is pin-for-pin and software compatible with the TCN75.
    The STCN75 is specified for operating at supply voltages from 2.7 V to 5.5 V. Operating at 3.3 V, the supply current is typically (125 μA).
    The onboard sigma-delta analog-to-digital converter (ADC) converts the measured temperature to a digital value that is calibrated in degrees centigrade; for Fahrenheit applications a lookup table or conversion routine is required.
    The STCN75 is factory-calibrated and requires no external components to measure temperature.

    Key Features

    • Measures temperatures from –55 °C to +125 °C (–67 °F to +257 °F)
      • ±0.5 °C (typ) accuracy
      • ±2 °C (max) accuracy from –25 °C to +100 °C
    • Low operating current:125 μA (typ)
    • No external components required
    • 2-wire I2C/SMBus-compatible serial interface
      • Selectable bus address allows connection of up to eight devices on the bus
    • Wide power supply range - operating voltage range: 2.7 V to 5.5 V
    • Conversion time is 45 ms (typ)
    • Programmable temperature threshold and hysteresis set points
    • Pin- and software-compatible with TCN75 (drop-in replacement)
    • Power-up defaults permit standalone operation as a thermostat
    • Shutdown mode to minimize power consumption
    • Output pin (open drain) can be configured for interrupt or comparator/thermostat mode (dual purpose event pin)
    • MSOP8 (TSSOP8) package

Circuit Diagram

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CAD/EDA Symbols, Footprints and Models

Quality and Reliability

Part Number Marketing Status Package RoHS Compliance Grade Material Declaration**
STCN75DS2F
Active
MSOP/TSSOP 8 Ecopack2

STCN75DS2F

Package:

MSOP/TSSOP 8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MSOP/TSSOP 8

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

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ECCN (US)
ECCN (EU)
Packing Type
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Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
STCN75DS2F Available at 5 distributors

Distributor availability ofSTCN75DS2F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1912 1 Order Now
RS COMPONENTS EUROPE 990 1 Order Now
ARROW EUROPE 2000 0 Order Now
MOUSER WORLDWIDE 2411 1 Order Now
Farnell Element14 EUROPE 1902 1 Order Now

Distributor reported inventory date: 2020-10-21

Distributor Name

DIGIKEY

Stock

1912

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

990

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2411

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1902

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-10-21

Buy Direct
Active
EAR99 NEC Tape And Reel MSOP/TSSOP 8 -55 125 MALAYSIA 0.2953 / 1k

STCN75DS2F

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.2953 / 1k

Distributor availability ofSTCN75DS2F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1912 1 Order Now
RS COMPONENTS EUROPE 990 1 Order Now
ARROW EUROPE 2000 0 Order Now
MOUSER WORLDWIDE 2411 1 Order Now
Farnell Element14 EUROPE 1902 1 Order Now

Distributor reported inventory date: 2020-10-21

Distributor Name

DIGIKEY

Stock

1912

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

990

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2411

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1902

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-10-21

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

MSOP/TSSOP 8

Operating Temperature (°C)

(min)

-55

(max)

125

Budgetary Price (US$)* / Qty

0.2953 / 1k

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors