Product overview
Description
The STTS751 is a digital temperature sensor which communicates over a 2-wire SMBus 2.0 compatible bus. The temperature is measured with a user-configurable resolution between 9 and 12 bits. At 9 bits, the smallest step size is 0.5 °C, and at 12 bits, it is 0.0625 °C. At the default resolution (10 bits, 0.25 °C/LSB), the conversion time is nominally 21 milliseconds. The open-drain EVENT output is used to indicate an alarm condition in which the measured temperature has exceeded the user-programmed high limit or fallen below the low limit. When the EVENT pin is asserted, the host can respond using the SMBus Alert Response Address (ARA) protocol to which the STTS751 will respond by sending its slave address.The STTS751 is a 6-pin device that supports user-configurable slave addresses. Via the pull-up resistor on the Addr/Therm pin, one of four different slave addresses can be specified. Two order numbers (STTS751-0 and STTS751-1) provide two different sets of slave addresses bringing the total available to eight. Thus, up to eight devices can share the same 2-wire SMBus without ambiguity, thereby allowing monitoring of multiple temperature zones in an application.
The two-wire interface can support transfer rates up to 400 kHz.
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All features
- Operating voltage 2.25 V to 3.6 V
- Operating temperature –40 °C to +125 °C
- Programmable
- 10 different conversion rates 0.0625 to 32 conversions/sec. 1 conversion/sec. - default
- 4 different resolutions 9-bit (0.5 °C/LSB) to12-bit (0.0625 °C/LSB) 10-bit (0.25 °C/LSB) - default
- Low supply current
- 50 μA (typ) for 8 conversions/sec.
- 20 μA (typ) for 1 conversion/sec.
- 3 μA (typ) standby
- Accuracy
- ±0.5 °C (typ) 0 °C to +85 °C
- ±0.5 °C (typ) –40 °C to +125 °C
- One-shot mode for power saving
- Fast conversion time 21 ms (typ) 10-bit
- Pull-up resistor value allows single pin to select one of four slave addresses
- Supports 400 kHz serial clock
- SMBus 2.0 compatible
- SMBus ALERT (ARA) support
- SMBus timeout
- RoHS/green
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All resources
| Resource title | Latest update |
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Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 21 May 2019 | 21 May 2019 |
Application Notes (2)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 13 Sep 2018 | 13 Sep 2018 | |||
| 02 Apr 2020 | 02 Apr 2020 |
Design Notes & Tips (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 10 Mar 2021 | 10 Mar 2021 |
Brochures (5)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 07 Apr 2021 | 07 Apr 2021 | |||
| 06 Aug 2020 | 06 Aug 2020 | |||
| 19 Mar 2021 | 19 Mar 2021 | |||
| 25 Feb 2021 | 25 Feb 2021 | |||
| 23 Jun 2020 | 23 Jun 2020 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STTS751
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3D models
Quality and Reliability
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| STTS751-0DP3F | Active | DFN6 2X2X0.5 | Ecopack2 | |
| STTS751-1DP3F | Active | DFN6 2X2X0.5 | 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
| 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 | |||||||||||
| STTS751-0DP3F | 4 distributors | Buy Direct | Active | EAR99 | NEC | Tape And Reel | DFN6 2X2X0.5 | -40 | 125 | THAILAND | 0.3071 / 1k | |
| STTS751-1DP3F | 7 distributors | Buy Direct | Active | EAR99 | NEC | Tape And Reel | DFN6 2X2X0.5 | -40 | 125 | THAILAND | 0.3071 / 1k | |
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
