Datasheet STTS22H (STMicroelectronics)
| Manufacturer | STMicroelectronics |
| Description | Low-voltage, ultra-low-power, 0.5 °C accuracy I2C/SMBus 3.0 temperature sensor |
| Pages / Page | 29 / 1 — STTS22H. Features. Key features. Electrical specifications. Sensing … |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
STTS22H. Features. Key features. Electrical specifications. Sensing specifications. Package specifications. Product status link
Model Line for this Datasheet
Text Version of Document
STTS22H
Datasheet Low-voltage, ultra-low-power, 0.5 °C accuracy I²C/SMBus 3.0 temperature sensor
Features Key features
• Integrated high-accuracy temperature sensor • Factory calibrated • One-shot mode for power saving
Electrical specifications
• Supply voltage: 1.5 to 3.6 V • I²C, SMBus 3.0 with ALERT (ARA) support • Programmable thresholds with interrupt pin • Supports up to 1 MHz serial clock • Up to 2 I²C/SMBus slave addresses • Ultra-low current: 1.75 µA in one-shot mode
Sensing specifications
• Operating temperature -40 °C to +125 °C • Temperature accuracy (max.): ± 0.5 °C (-10 °C to +60 °C) • 16-bit temperature data output
Package specifications Product status link
• UDFN 2.0 x 2.0 x 0.50 mm, 6 leads with exposed pad down STTS22H • ECOPACK, RoHS and “Green” compliant
Product summary Order code
STTS22HTR STTS22H
Applications Temp. range
-40 to +125
[°C]
• Wearable devices
Package
UDFN-6L • Smart home automation
Packing
Tape and reel Tray • Asset and goods tracking
Product labels
• Smartphones • HVAC • Refrigerators • Air humidifiers • Portable consumer devices • White goods • Thermostats
DS12606
-
Rev 4
-
October 2019
www.st.com For further information contact your local STMicroelectronics sales office. Document Outline 1 Overview 2 Pin description 3 Sensor parameters and electrical specifications 3.1 Sensor accuracy specifications 4 Absolute maximum ratings 5 Digital interfaces 5.1 SMBus interface 5.1.1 SMBus protocol 5.1.2 WRITE byte 5.1.3 READ byte 5.1.4 SEND byte 5.1.5 RECEIVE byte 5.1.6 SMBus timeout 5.1.7 Alert response address 5.2 I²C interface 5.2.1 I²C protocol 5.2.2 I²C read and write sequences 6 Register description 6.1 WHOAMI (01h) - RO 6.2 TEMP_H_LIMIT (02h) - RW 6.3 TEMP_L_LIMIT (03h) - RW 6.4 CTRL (04h) - RW 6.5 STATUS (05h) - RO 6.6 TEMP_L_OUT (06h) - RO 6.7 TEMP_H_OUT (07h) - RO 6.8 SOFTWARE_RESET (0Ch) - RW 7 Interrupt 8 ALERT / INT output 9 Operating modes 9.1 Enable sequence for one-shot mode 9.2 Enable sequence for freerun mode 9.3 Enable sequence for low-ODR mode 10 Package information 10.1 Soldering information 10.2 UDFN-6L package information 10.3 UDFN-6L packing information Revision history
Datasheet Low-voltage, ultra-low-power, 0.5 °C accuracy I²C/SMBus 3.0 temperature sensor
Features Key features
• Integrated high-accuracy temperature sensor • Factory calibrated • One-shot mode for power saving
Electrical specifications
• Supply voltage: 1.5 to 3.6 V • I²C, SMBus 3.0 with ALERT (ARA) support • Programmable thresholds with interrupt pin • Supports up to 1 MHz serial clock • Up to 2 I²C/SMBus slave addresses • Ultra-low current: 1.75 µA in one-shot mode
Sensing specifications
• Operating temperature -40 °C to +125 °C • Temperature accuracy (max.): ± 0.5 °C (-10 °C to +60 °C) • 16-bit temperature data output
Package specifications Product status link
• UDFN 2.0 x 2.0 x 0.50 mm, 6 leads with exposed pad down STTS22H • ECOPACK, RoHS and “Green” compliant
Product summary Order code
STTS22HTR STTS22H
Applications Temp. range
-40 to +125
[°C]
• Wearable devices
Package
UDFN-6L • Smart home automation
Packing
Tape and reel Tray • Asset and goods tracking
Product labels
• Smartphones • HVAC • Refrigerators • Air humidifiers • Portable consumer devices • White goods • Thermostats
DS12606
-
Rev 4
-
October 2019
www.st.com For further information contact your local STMicroelectronics sales office. Document Outline 1 Overview 2 Pin description 3 Sensor parameters and electrical specifications 3.1 Sensor accuracy specifications 4 Absolute maximum ratings 5 Digital interfaces 5.1 SMBus interface 5.1.1 SMBus protocol 5.1.2 WRITE byte 5.1.3 READ byte 5.1.4 SEND byte 5.1.5 RECEIVE byte 5.1.6 SMBus timeout 5.1.7 Alert response address 5.2 I²C interface 5.2.1 I²C protocol 5.2.2 I²C read and write sequences 6 Register description 6.1 WHOAMI (01h) - RO 6.2 TEMP_H_LIMIT (02h) - RW 6.3 TEMP_L_LIMIT (03h) - RW 6.4 CTRL (04h) - RW 6.5 STATUS (05h) - RO 6.6 TEMP_L_OUT (06h) - RO 6.7 TEMP_H_OUT (07h) - RO 6.8 SOFTWARE_RESET (0Ch) - RW 7 Interrupt 8 ALERT / INT output 9 Operating modes 9.1 Enable sequence for one-shot mode 9.2 Enable sequence for freerun mode 9.3 Enable sequence for low-ODR mode 10 Package information 10.1 Soldering information 10.2 UDFN-6L package information 10.3 UDFN-6L packing information Revision history
