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The STTS75 is a high-precision CMOS (digital) temperature sensor IC with a delta-sigma analog-to-digital (ADC) 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 MSOP(TSSOP) and SO8 packages.
The device contains a band gap temperature sensor and programmable 9- to 12-bit ADC which monitor and digitize the temperature to a resolution up to 0.0625 °C. The STTS75 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. At power-up, the STTS75 defaults to 9-bit resolution for software compatibility with the STLM75.
The STTS75 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 (75 μA).
The onboard delta-sigma analog-to-digital converter (ADC) converts the measured temperature to a digital value that is calibrated in °C; for Fahrenheit applications a lookup table or conversion routine is required.
The STTS75 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: 75 μA (typ)
- No external components required
- 2-wire I2C/SMBus-compatible serial interface
- Selectable serial bus address allows connection of up to eight devices on the same bus
- Thermometer resolution is user-configurable from 9 (default) to 12 bits (0.5 °C to 0.0625 °C)
- 9-bit conversion time is 45 ms (typ)
- Programmable temperature threshold and hysteresis set points
- Wide power supply range-operating voltage range: 2.7 V to 5.5 V
- Power saving one-shot temperature measurement
- Power-up defaults permit standalone operation as thermostat
- Shutdown mode to minimize power consumption
- Separate open drain output pin operates as an interrupt or comparator/thermostat output (dual purpose event pin)
- Packages:
- SO8
- MSOP8 (TSSOP8)
- Measures temperatures from –55 °C to +125 °C (–67 °F to +257 °F)
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Product Specifications (1)
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| 19 Oct 2020 |
19 Oct 2020
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Application Notes (1)
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| 02 Apr 2020 |
02 Apr 2020
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Flyers (1)
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| 26 Feb 2020 |
26 Feb 2020
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Brochures (3)
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| 29 Oct 2018 |
29 Oct 2018
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CAD/EDA Symbols, Footprints and Models
Quality and Reliability
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| STTS75DS2F |
Active
|
MSOP/TSSOP 8 | Ecopack2 | |
| STTS75M2F |
Active
|
SO-8 | Ecopack1 |
(**) 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
| Part Number | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| STTS75DS2F | 2 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | MSOP/TSSOP 8 | -55 | 125 | MALAYSIA | 0.2999 / 1k | |
| STTS75M2F | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | -55 | 125 | MOROCCO | 0.2999 / 1k | |
(*) 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
