Overview
The STTS75DS2F is a high-precision CMOS digital temperature sensor IC produced by STMicroelectronics. It features a delta-sigma analog-to-digital converter (ADC) and an I2C-compatible serial digital interface. This sensor is designed for general applications such as personal computers, system thermal management, electronics equipment, and industrial controllers. It is packaged in an 8-lead MSOP (TSSOP) package and operates over a wide temperature range from -55°C to 125°C with high accuracy.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Pins | 8 |
| Mount | Surface Mount |
| Min Supply Voltage | 2.7V |
| Max Supply Voltage | 5.5V |
| Min Operating Temperature | -55°C |
| Max Operating Temperature | 125°C |
| Resolution | 9 to 12 bits (0.5°C to 0.0625°C) |
| Interface | 2-Wire, I2C, SMBus, Serial |
| Operating Supply Current | 75µA (typ) |
| Output Type | Digital, I2C |
| Packaging | Tape & Reel |
| Lead Free | Yes |
| Radiation Hardening | No |
| RoHS | Compliant |
Key Features
- High-precision temperature measurement with ±0.5°C (typ) accuracy and ±2°C (max) accuracy from -25°C to +100°C.
- No external components required for temperature measurement.
- 2-wire I2C/SMBus-compatible serial interface with selectable serial bus address, allowing up to eight devices on the same bus.
- User-configurable thermometer resolution from 9 to 12 bits.
- Programmable temperature threshold and hysteresis set points.
- Power saving one-shot temperature measurement and shutdown mode to minimize power consumption.
- Separate open drain output pin operates as an interrupt or comparator/thermostat output.
- Wide power supply range: 2.7 V to 5.5 V.
Applications
The STTS75DS2F is targeted for various applications, including:
- Personal computers and system thermal management.
- Electronics equipment and industrial controllers.
- General industrial and commercial environments where precise temperature monitoring is required.
Q & A
- What is the operating temperature range of the STTS75DS2F?
The STTS75DS2F operates over a temperature range from -55°C to 125°C. - What is the typical accuracy of the STTS75DS2F?
The typical accuracy is ±0.5°C, with a maximum accuracy of ±2°C from -25°C to +100°C. - What type of interface does the STTS75DS2F use?
The STTS75DS2F uses a 2-wire I2C/SMBus-compatible serial interface. - Can multiple STTS75DS2F devices be connected on the same bus?
- What is the resolution of the temperature measurement?
The resolution is user-configurable from 9 to 12 bits (0.5°C to 0.0625°C).- Does the STTS75DS2F require external components for temperature measurement?
No, it does not require any external components.- What is the power consumption of the STTS75DS2F?
The typical operating supply current is 75µA.- What are the power supply voltage ranges for the STTS75DS2F?
The device operates with a supply voltage range of 2.7 V to 5.5 V.- Does the STTS75DS2F have a shutdown mode?
- What is the purpose of the OS/INT pin?
The OS/INT pin operates as an interrupt or comparator/thermostat output, indicating if the temperature has exceeded user-programmable limits. - What is the resolution of the temperature measurement?
