Datasheet STTS22H (STMicroelectronics) - 5
| Hersteller | STMicroelectronics |
| Beschreibung | Low-voltage, ultra-low-power, 0.5 °C accuracy I2C/SMBus 3.0 temperature sensor |
| Seiten / Seite | 29 / 5 — STTS22H. Sensor parameters and electrical specifications. Table 3. … |
| Dateiformat / Größe | PDF / 1.4 Mb |
| Dokumentensprache | Englisch |
STTS22H. Sensor parameters and electrical specifications. Table 3. Temperature sensor specifications. Symbol. Parameter
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STTS22H Sensor parameters and electrical specifications 3 Sensor parameters and electrical specifications
Conditions at VDD = 2.5 V, T = 25 °C.
Table 3. Temperature sensor specifications Symbol Parameter Test condition Min. Typ.(1) Max. Unit
Top Operating temperature range -40 125 °C Tbit Temperature output data - 16 - bit AVG [1:0] = 3 0.055 AVG [1:0] = 2 0.04 °C Tn Temperature noise AVG [1:0] = 1 0.03 RMS AVG [1:0] = 0 0.02 - 0.01 - °C/LSB Ts Temperature sensitivity - 100 - LSB/°C -10 to 60 °C -0.5 ±0.25 0.5 Tacc Temperature accuracy °C -40 to 125 °C -1.0 ±0.7 1.0 LOW_ODR_START = 1, FREERUN = 0, 1 AVG[1:0] = don’t care LOW_ODR_START = 0, FREERUN = 1, 25 AVG[1:0] = 0 LOW_ODR_START = 0, ODR Temperature digital output data rate FREERUN = 1, 50 Hz AVG[1:0] = 1 LOW_ODR_START = 0, FREERUN = 1, 100 AVG[1:0] = 2 LOW_ODR_START = 0, FREERUN = 1, 200 AVG[1:0] = 3 1. Typical specifications are not guaranteed.
DS12606
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Rev 4 page 5/29
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
STTS22H Sensor parameters and electrical specifications 3 Sensor parameters and electrical specifications
Conditions at VDD = 2.5 V, T = 25 °C.
Table 3. Temperature sensor specifications Symbol Parameter Test condition Min. Typ.(1) Max. Unit
Top Operating temperature range -40 125 °C Tbit Temperature output data - 16 - bit AVG [1:0] = 3 0.055 AVG [1:0] = 2 0.04 °C Tn Temperature noise AVG [1:0] = 1 0.03 RMS AVG [1:0] = 0 0.02 - 0.01 - °C/LSB Ts Temperature sensitivity - 100 - LSB/°C -10 to 60 °C -0.5 ±0.25 0.5 Tacc Temperature accuracy °C -40 to 125 °C -1.0 ±0.7 1.0 LOW_ODR_START = 1, FREERUN = 0, 1 AVG[1:0] = don’t care LOW_ODR_START = 0, FREERUN = 1, 25 AVG[1:0] = 0 LOW_ODR_START = 0, ODR Temperature digital output data rate FREERUN = 1, 50 Hz AVG[1:0] = 1 LOW_ODR_START = 0, FREERUN = 1, 100 AVG[1:0] = 2 LOW_ODR_START = 0, FREERUN = 1, 200 AVG[1:0] = 3 1. Typical specifications are not guaranteed.
DS12606
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Rev 4 page 5/29
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